Abstracts




AOGS 2026 Abstracts

Browse by Section:
AS - Atmospheric Sciences
BG - Biogeosciences
HS - Hydrological Sciences
IG - Interdisciplinary Geosciences
OS - Ocean Sciences
PS - Planetary Sciences
ST - Solar and Terrestrial Sciences
SE - Solid Earth Sciences
SS - Special Sessions

Search by title or author name

Ocean Sciences

OS01 | OS02 | OS03 | OS04 | OS05 | OS06 | OS07 | OS08 | OS09 | OS10 | OS11 | OS12 | OS13 | OS14 | OS15 | OS16 | OS17 | OS18 | OS22 | OS24 | OS26 | OS27 | OS28 | OS38 | OS40 | OS41 | OS43 | OS46 | OS48 | OS49 | OS50 |

OS01 Understanding Multiscale Sea-level Change Using Observations and Models: Global to Local
Abstract ID Abstract Title Authors
OS01-A007 Thermosteric and Halosteric Contributions to Rapid Sea Level Rise in the Southwestern East Sea (Japan Sea) from 1993 to 2023: A Depth- and Season- Dependent Analysis Seungsoo KIM1+, Sunghyun NAM1#, Young_Gyu KIM2, KyungJae LEE3
1Seoul National University, Korea, South, 2Future Innovation Institute, Seoul National University, Korea, South, 3Incheon National University, Korea, South
OS01-A002 An Assessment of Statistical Downscaling for Storm Surges Along the Coast of Japan Taichi OGATA#+, Yoshinori SASAKI
Hokkaido University, Japan
OS01-A005 The Role of Ocean Warming and Basin Geometry on Mass-driven Sea Level Trends in the Maritime Continent Randi FIRDAUS1,2#+, Toshio SUGA3,4
1Department of Geophysics, Graduate School of Science, Tohoku University, Japan, 2Indonesian Agency for Meteorology Climatology and Geophysics (BMKG), Indonesia, 3Tohoku University, Japan, 4JAMSTEC, Japan
OS01-A006 Assessing Modern Sea Surface Temperature–Sea Surface Height Records in Balaoan, La Union and Implications for Coral Sr/Ca Paleothermometry Andrea Denise PAMINTUAN1#+, Noelynna RAMOS2,3, Kevin GARAS4
1National Institute of Geological Sciences, Philippines, 2University of the Philippines Diliman, Philippines, 3National Institute of Geological Sciences, College of Science, University of the Philippines Diliman, Philippines, 4Mines and Geosciences Bureau, Philippines
OS01-A008 Policy Scenarios and Historical Sea-level Changes Greatly Reduce the Uncertainty of Future Greenland Sea-level Projections Peter Yu Feng SIEW1#+, Nicholas GOLLEDGE2, Mario KRAPP3, Dan LOWRY4, Alanna ALEVROPOULOS-BORRILL2
1Antarctic Research Centre, Victoria University of Wellington, Wellington, New Zealand, 2Antarctic Research Centre, Victoria University of Wellington, New Zealand, 3Earth Sciences New Zealand, Wellington, New Zealand, 4College of Marine Science, University of South Florida, St. Petersburg, Florida, United States
OS01-A013 Projection of Future Wave Climate Changes around the Korean Peninsula Using an AR6 Scenario-Based High-Resolution SWAN Model Hochan PARK1#+, youngmin PARK2, Seonghoo LEE3, jimin PARK4, Youjung OH1
1Geosystem Reseach Corp, Korea, South, 2GeoSR, Korea, South, 3Geosystem Reseach Corp., Korea, South, 4GEOSYSTEM RESEARCH, Korea, South

OS02 Oceanic Mesoscale Dynamical Processes and Climate Effects
Abstract ID Abstract Title Authors
OS02-A002 Global ocean and sea ice variability simulated in eddy-permitting coupled models: SINTEX-F3 and CMIP6 HighResMIP Yushi MORIOKA1#+, Eric MAISONNAVE2, Sebastien MASSON2, Clement ROUSSET2, Luis KORNBLUEH3, Marco GIORGETTA3, Masami NONAKA1, Swadhin BEHERA1
1Japan Agency for Marine-Earth Science and Technology, Japan, 2LOCEAN-IPSL, France, 3MPI-M, Germany
OS02-A004 Modulation of Upper-Ocean Shortwave Heating by Mixed Layer Depth and Chlorophyll associated with Tropical Instability Waves Peien XU1#+, Tomoki TOZUKA1, Yoshikazu SASAI2
1The University of Tokyo, Japan, 2Japan Agency for Marine-Earth Science and Technology, Japan
OS02-A003 Enhanced Eddy Activity in the Retreating Arctic Marginal Ice Zone: Observations and Implications Nikita SANDALIUK1#+, Eduard KHACHATRIAN2, Egor BLAGODATSKIKH1
1Moscow Institute of Physics and Technology, Russian Federation, 2GEOFEM, Cyprus
OS02-A005 Dominant Inverse Nonlinear Energy Cascades in Coastal and Inner Shelf Waters Annalisa DE LEO1#+, Chang HE2, Alessandro STOCCHINO1
1The Hong Kong Polytechnic University, Hong Kong SAR, 2Key Laboratory of Coastal Urban Soil-Water Environmental Evolution, Ministry of Ecology and Environment, Shenzhen University, Shenzhen China, 518060, China
OS02-A010 Impact of Fine-scale SST Structure in the Sea of Japan on Winter Snowfall Over the Japanese Archipelago Hyogo TAKAKI1#+, Atsuyoshi MANDA1, Hisashi NAKAMURA2,3, Kazuaki NISHII4
1Mie University, Japan, 2University of Tokyo, Japan, 3Japan Agency for Marine-Earth Science and Technology, Japan, 4Mie university, Japan
OS02-A008 Formation of a Quasi-universal Internal Wave Spectrum by Wind Forcing Alone: Idealized Modeling and Mooring Observations Qian ZHANG1#+, Zhiwu CHEN2
1South China Sea Institute of Oceanology, China, 2South China Sea Institute of Oceanology, Chinese Academy of Sciences, China
OS02-A019 Dependency of Lorenz Energy Cycle on Bottom Drag in the Antarctic Circumpolar Current Takuro MATSUTA1#+, Yuki TANAKA2, Atsushi KUBOKAWA1
1Hokkaido University, Japan, 2Tokyo University of Marine Science and Technology, Japan
OS02-A020 High-resolution Observations Reveal Structural and Dynamic Differences Between Surface and Subsurface Anticyclonic Eddies in the Southeast Pacific Kun ZHANG#+, Haibin SONG, Peiwen NIAN, Xinwei LI
Tongji University, China
OS02-A016 Ocean-scale interactions in the Northwest Pacific in a submesoscale-permitting model Shuya WANG1#+, Wenda ZHANG2,3, Shoichiro KIDO4, Hideharu SASAKI4, Bo QIU5, Xinyu GUO6
1Tohoku University, Japan, 2Laoshan National Laboratory, China, 3Princeton University, United States, 4Japan Agency for Marine-Earth Science and Technology, Japan, 5University of Hawaii, United States, 6Ehime University, Japan
OS02-A023 Eddy Dynamics in the Marginal Ice Zone of the Barents and Kara Seas Egor BLAGODATSKIKH#+, Nikita SANDALIUK
Moscow Institute of Physics and Technology, Russian Federation

OS03 Seasonal to interannual Variability and Predictability of Extreme Event Activity
Abstract ID Abstract Title Authors
OS03-A001 Seasonal Predictability of Tropical Cyclone Frequency and an Indicator of Mass Coral Bleaching in the Western North Pacific Takeshi DOI1#+, Sayaka YASUNAKA2, Haruko KURIHARA3, Tadao INOUE1, Tomomichi OGATA1, Masami NONAKA1
1Japan Agency for Marine-Earth Science and Technology, Japan, 2Tohoku University, Japan, 3University of the Ryukyus, Japan
OS03-A002 Seasonal Chlorophyll-a Prediction in the Tropical Pacific with a Global Climate Model Incorporating Marine Biogeochemistry (sintex-f2bio) Takeshi DOI#+, Yuya BABA, Hakase HAYASHIDA
Japan Agency for Marine-Earth Science and Technology, Japan
OS03-A003 Augmented In Situ Ocean Observing Capacity Could Cause an Artificial Intensification of Extreme Warm Water Events Globally Zhiqiao WANG1+, Zhao JING1#, Hao-Xuan SUN2
1Ocean University of China, China, 2Harbin Institute of Technology, China
OS03-A004 Towards Extended Seasonal Forecasting of Cholera - Conducive Coastal Conditions in the Bengal Delta Tomomichi OGATA1#+, Masami NONAKA1, Swadhin BEHERA1, Marie-Fanny RACAULT2
1Japan Agency for Marine-Earth Science and Technology, Japan, 2University of East Anglia, United Kingdom
OS03-A007 Influence of Internal North Atlantic Variability on Mid-latitude North Pacific Warming Yoko YAMAGAMI1#+, Hiroaki TATEBE1, Tsubasa KOHYAMA2, Shoichiro KIDO1, Satoru OKAJIMA3
1Japan Agency for Marine-Earth Science and Technology, Japan, 2Ochanomizu University, Japan, 3University of Tsukuba, Japan
OS03-A005 Extratropical Forcing of Enso in an Extratropical SST Pacemaker Experiment Kaichi MORIMOTO1#+, Yu KOSAKA2, Masato MORI2, Ko TSUCHIDA3
1School of Science, the University of Tokyo, Japan, 2The University of Tokyo, Japan, 3RCAST, The University of Tokyo, Japan
OS03-A006 Global and Regional Changes in Cumulative Energy of Extreme Coastal Wave Storm Events Imee Bren VILLALBA1,2#+, Mitchell Dean HARLEY1, Ashish SHARMA3
1University of New South Wales, Australia, 2University of the Philippines Diliman, Philippines, 3UNSW Sydney, Australia
OS03-A012 Seasonal to Interannual Controls on Extreme Events: Roles of Monsoon Dynamics and Vegetation Feedbacks Swadhin BEHERA1#+, Mukunda BEHERA2
1Japan Agency for Marine-Earth Science and Technology, Japan, 2Indian Institute of Technology Kharagpur, India
OS03-A009 Deep-reaching wave energy-flux in the southwestern tropical Pacific Ocean during El Niño events Borui WU1#+, Hidenori AIKI2, Takahiro TOYODA3, Tomomichi OGATA4
1Nagoya University, Japan, 2Institute for Space-Earth Environmental Research, Nagoya University, Japan, 3Japan Meteorological Agency, Japan, 4Japan Agency for Marine-Earth Science and Technology, Japan
OS03-A010 Strengthening Influence of Enso on the Equatorial Atlantic and Its Implications for Predictability Ingo RICHTER1#+, Ping CHANG2, Takahito KATAOKA3, Noel KEENLYSIDE4, Shoichiro KIDO1, Yu KOSAKA5, Yuko OKUMURA6, Hiroki TOKINAGA7, Tomoki TOZUKA5, Isabelle VILELA8
1Japan Agency for Marine-Earth Science and Technology, Japan, 2Texas A&M University, United States, 3JAMSTEC, Japan, 4University of Bergen, Norway, 5The University of Tokyo, Japan, 6The University of Texas at Austin, United States, 7Kyushu University, Japan, 8Federal University of Pernambuco, Brazil
OS03-A013 Modulation Of Mesoscale Convective Complexes (MCC) By The Quasi-biennial Oscillation (QBO) And Equatorial Kelvin Waves Over The Indonesian Maritime Continent (1991–2020) AZKA NI'AMILLAH1#+, Junshi ITO2
1Tohoku University, Indonesia, 2Tohoku University, Japan

OS04 Sea-level Variability and Impacts in the Asia-pacific
Abstract ID Abstract Title Authors
OS04-A001 Probability Distribution and Extreme Value Analysis of Monsoon and Storm Surge Heights Along the Singapore Coastline Farzin SAMSAMI1#, Pavel TKALICH1,2+, Sumit DANDAPAT1, Haihua XU3
1National University of Singapore, Singapore, 2The Technology Centre for Offshore and Marine, Singapore (TCOMS), Singapore, 3Technology Centre for Offshore and Marine, Singapore, Singapore, Singapore
OS04-A010 Post-LGM Changes of Sedimentary Environments and Bottom Current Activity Recorded in Shallow-water Contourite Drifts of the Hupo Basin, East Sea (Sea of Japan) Hyesung KIM1#+, Jangjun BAHK1, Gyutae SIM1, Dong Eun LEE1, Haedo BAEK1, Jun-Ho JANG2, Kyung-Eun LEE3
1Chungnam National University, Korea, South, 2Chungnam National University, Korea, South, Korea, South, 3Korea Maritime and Ocean University, Korea, South
OS04-A002 Contrasting Influences of ENSO and IOD on Sea Level Variability Across the Singapore Strait and Peninsular Malaysia Sumit DANDAPAT1#+, Pavel TKALICH1,2, Farzin SAMSAMI1, Haihua XU3
1National University of Singapore, Singapore, 2The Technology Centre for Offshore and Marine, Singapore (TCOMS), Singapore, 3Technology Centre for Offshore and Marine, Singapore, Singapore, Singapore
OS04-A003 Ancient Oysters Provide Far-field Sea-level Constraints on Ice Melt Timing and Sources During the Early–mid Holocene Climate Transition Howard K.Y. YU1#+, Udita MUKHERJEE2, Tanghua LI2, Jackson W.T. LAU3, Katherine A. STRATTMAN3, Yifei GU3, Ayesha AHMED3, Noah PLANAVSKY4, Bayden D. RUSSELL3, Ryan MCKENZIE3, Nicole KHAN3
1The Chinese University of Hong Kong, Hong Kong SAR, 2City University of Hong Kong, Hong Kong SAR, 3The University of Hong Kong, Hong Kong SAR, 4Yale University, United States
OS04-A004 GIA-driven Paleogeography of the Japanese Archipelago and Its Implications for Human Dispersal Jun'ichi OKUNO1#+, Masami IZUHO2
1National Institute of Polar Research, Japan, 2Tokyo Metropolitan University, Japan
OS04-A008 Partnership for Ocean Level Monitoring: Reinforcing Technical Capacity of Water Level Data Collection, Processing and Analysis for Climate Hazard Management in the Bangladeshi Delta. Tonia Astrid CAPUANO1#+, K M Azam CHOWDHURY1, Jo Celine GRALL2, Muhammad ASHFAQ1, Sazzad HOSSAIN3, Erfanul ALBIN4, Anik KARMAKAR5, Tabassum TAHSIN6
1International Center for Ocean Governance, Bangladesh, 2Littoral Environnement et Sociétés, Centre National de la Recherche Scientifique, University of La Rochelle, France, 3Bangladesh Water Development Board, Bangladesh, 4International Center for Ocean Governance,, Bangladesh, 5University of Chittagong, Bangladesh, 6 University of Chittagong, Bangladesh
OS04-A024 Response of the South China Sea Circulation to Sea Level Changes in the Northwestern Pacific BAOLAN WU#+
Tohoku University, Japan
OS04-A011 Linking Paleo and Modern Sea-level Change In southeastern China Yucheng LIN#+
City University of Hong Kong, China
OS04-A012 Sea Level Reconstructed from geological archives from Far Field Sites Since the Last Interglacial to Understand Ice Sheet Stability Yusuke YOKOYAMA#+
The University of Tokyo, Japan
OS04-A013 Constraining Last Glacial Maximum Sea Levels Using a Global Database Udita MUKHERJEE1#+, Nicole KHAN2, Tanghua LI1, Glenn MILNE3, Jacqueline AUSTERMANN4, Linda PAN5, Benjamin HORTON1
1City University of Hong Kong, Hong Kong SAR, 2The University of Hong Kong, Hong Kong SAR, 3University of Ottawa, Canada, 4Lamont-Doherty Earth Observatory, United States, 5Princeton University, United States
OS04-A015 Holsea Datahub: an Open-source Web Portal for Global Relative Sea-level Data Since the Last Glacial Maximum Nicole KHAN1#, Yifei GU1, Udita MUKHERJEE2+, Roger CREEL3
1The University of Hong Kong, Hong Kong SAR, 2City University of Hong Kong, Hong Kong SAR, 3Texas A&M, United States
OS04-A016 Water Level and M₂ Tidal Variability in the Tidal Domain of the Ganges Delta in Bangladesh Jo Celine GRALL1#, Laurent TESTUT2, Tonia Astrid CAPUANO3+, Tahidul ISLAM3, Nushrat YEASMIN2, Sazzad HOSSAIN4, K M Azam CHOWDHURY3
1Littoral Environnement et Sociétés, Centre National de la Recherche Scientifique, University of La Rochelle, France, 2Littoral Environnement et Sociétés, University of La Rochelle, France, France, 3International Center for Ocean Governance, Bangladesh, 4Bangladesh Water Development Board, Bangladesh
OS04-A019 An Assessment of Seasonal and Extreme Sea-level Variability in the Indonesian Seas Derived from New Tide-gauge Records Tanghua LI1#+, Eko Yuli HANDOKO 2, Dongju PENG3, Jiamin XU 4, Dhrubajyoti SAMANTA5, Trina NG6, Adam SWITZER5, Benjamin HORTON1
1City University of Hong Kong, Hong Kong SAR, 2Department of Geomatics Engineering, Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia, Indonesia, 3Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Hong Kong SAR, China, Hong Kong SAR, 4Earth Observatory of Singapore, Nanyang Technological University, Singapore, Singapore, Singapore, 5Nanyang Technological University, Singapore, 6Centre for Climate Research Singapore, Singapore
OS04-A022 Southeast Asia Sea Level: Paleo Constraints, Modern Acceleration and Future Risk Benjamin HORTON1#+, Timothy SHAW2, Tanghua LI1, Hie Lim KIM3, Fangyi TAN3, Stephen CHUA3, Jędrzej MAJEWSKI4, Peter HOGARTH5, Benjamin GRANDEY3, Adam SWITZER3
1City University of Hong Kong, Hong Kong SAR, 2Centre for Climate Research Singapore, Singapore, 3Nanyang Technological University, Singapore, 4Adam Mickiewicz University, Poland, 5National Oceanography Center, United Kingdom
OS04-A025 Multi-decadal Sea Level Rise Along the Korean Coasts Based on L2-quality Reprocessed Tide Gauge Observations Kwang-Young JEONG1#+, Haejin KIM2, Gwang-Ho SEO1, Hyunsik HAM3, Hwa-Young LEE4, Yang Ki CHO5
1Korea Hydrographic and Oceanographic Agency, Korea, South, 2Korea Hydrographic and Oceanographic Agency (KHOA), Korea, South, 3 Korea Hydrographic and Oceanographic Agency, Korea, South, Korea, South, 4Ocean Research Division, Korea Hydrographic and Oceanographic Agency (KHOA), Korea, South, 5Seoul National University, Korea, South
OS04-A026 Influence of Stratification on Tides in the Marginal Seas Katsuto UEHARA#+
Kyushu University, Japan

OS05 Hydrodynamic and Morphodynamic Research in Estuaries and Coastal Regions Using Experimental, Observational, Remote Sensing, and Modelling Techniques
Abstract ID Abstract Title Authors
OS05-A001 Dredged Material Transport and Blue Crab Dynamics Simulation in the Lower Reach of Chesapeake Bay Haoran LIU1, Thomas MILLER2, Mario TAMBURRI2, Meng XIA1#+
1University of Maryland Eastern Shore, United States, 2Chesapeake Biological Laboratory, University of Maryland Center for Environmental Science, United States
OS05-A005 Long-term Morphological Changes and Sediment Dynamics in the Integrated Watershed Composed of the Tedori River and the Ishikawa Coast, Japan Daisuke NAKAZONO1#+, Masatoshi YUHI1, Kohshi HIRAISHI2
1Kanazawa University, Japan, 2CTI ENGINEERING CO.,LTD., Japan
OS05-A003 Assessment of Shoreline Change and Adaptation Options for Sandy Beach Erosion in Thailand Myat Kyay MONE1,2+, Usa HUMPHRIES3#
1King Mongkut's University of Technology Thonburi (KMUTT), Bangkok 10140, Thailand, 2Center of Excellence on Energy Technology and Environment (CEE), Ministry of Higher Education, Science, Research and Innovation, Bangkok 10140, Thailand, 3King Mongkut's University of Technology Thonburi, Thailand
OS05-A019 Synoptic and Seasonal Variability of Small and Large River Plumes in Vietnam Observed by Swot Altimetry and Optical Satellite Data Alexander OSADCHIEV1#+, Nikita SANDALIUK1, Vu DUY VINH2, Nguyen MINH HAI2
1Moscow Institute of Physics and Technology, Russian Federation, 2Institute of Science and Technology for Energy and Environment (ISTEE), Vietnam Academy of Science and Technology (VAST), Viet Nam
OS05-A002 Morphodynamic Evolution and Sedimentation Processes in the Kafuri Tidal Flat: Impacts of Extreme Rainfall on Asian Hard Clam Habitats Kazuhiro KOMAGO1#+, Satoquo SEINO2
1Ecological Engineering Laboratory, Department of Civil Engineering, Graduate School of Engineering, Kyushu University, Japan, 2Kyushu University, Japan
OS05-A011 Storm impacts on sediment characteristics and hydrodynamics at the Geum estuary tidal bar, west coast of Korea Hun Jun HA#+, U-Seong KIM, Tae Soo CHANG
Chonnam National University, Korea, South
OS05-A014 Impacts of Freshwater Discharge on Summer Bottom Cold Water Intrusion in the Southeastern Yellow Sea Minwoo PARK+, Seung-Buhm WOO#, Chaewook LIM, Jong Wook KIM
Inha University, Korea, South
OS05-A013 Sediment Distribution and Topographic Variations Driven by Tide-induced Circulation in the Yeoja Bay Tidal Flat, South Coast of Korea Tae Soo CHANG#+, Hun Jun HA
Chonnam National University, Korea, South
OS05-A016 Morphodynamics and Migration Patterns of Intertidal Sand Bars in the Macrotidal Hampyeong Bay, Southwestern Korea HEECHAE JUNG#+, Hun Jun HA, Tae Soo CHANG
Chonnam National University, Korea, South
OS05-A023 Seasonal Variation of Japanese Eel (eDNA) in Relation to Water Quality in a Salt Marsh Saki MIZUMURA1#+, Kanta KOBAYASHI1, Hiroaki MURAKAMI2, Gubash AZHIKODAN1, Katsuhide YOKOYAMA1
1Tokyo Metropolitan University, Japan, 2Tohoku University, Japan
OS05-A017 Interplay of Wave-induced Turbulence, Grain Sorting, and Bedform Evolution on Sloping Sediment Beds Kaushik MONDAL1#+, Susanta CHAUDHURI1, Koustuv DEBNATH2, Bijoy S MAZUMDER3
1Jadavpur University, India, 2Indian Institute of Engineering Science and Technology, Shibpur, India, 3ISI Kolkata, India
OS05-A018 Modelling Tide-surge Interaction and Coastal Inundation in Lumut, Malaysia: a Case Study of the Cyclonic Storm Senyar SAFWAN ALZAM SHAZMY#+, Liew JUNENG
Universiti Kebangsaan Malaysia, Malaysia
OS05-A020 Quantifying the Hydrodynamic Footprint of Far-field Ship Wakes on Turbid Coral Reefs: Integrating Radar Observations with Process-based Modelling Yufei WANG#+, Serene Hui Xin TAY, Michelle Ai Chin LEE, Tung Yee WONG, Seng Keat OOI
National University of Singapore, Singapore
OS05-A021 Evaluation of the Effectiveness and Applicability of Stereo Matching for Sea Surface Measurement Rinako MARUYAMA+, Tomoki SHIRAI, Taro ARIKAWA#
Chuo University, Japan
OS05-A025 Effect of Water Quality Variability during Germination and Growth on Aquatic Vegetation Biomass in a Salt Marsh Shino IWAMOTO+, Kanta KOBAYASHI, Saki MIZUMURA, Gubash AZHIKODAN#, Katsuhide YOKOYAMA
Tokyo Metropolitan University, Japan
OS05-A026 Validation of Hydrodynamic Models Using Satellite Derived Surface Temperature in a Data Scarce Estuarine System: A Case Study of the Ashtamudi Estuary, India A. ANAS1#+, C G SWATHY2, Santosh G THAMPI1, Mantha PHANIKUMAR3
1National Institute of Technology Calicut, India, 2Central University of Karnataka, India, 3Michigan State University, East Lansing, MI 48824,, United States
OS05-A030 Saltwater Intrusion and Mixing Dynamics in Two-branched Tide-dominated Estuaries of the Indian Sundarbans Saritha PADIYEDATH GOPALAN1#+, Susandhya MOHAPATRA2, Amrutha K2, AMAN KUMAR3, Renji REMESAN2, Katsuhide YOKOYAMA1, Gubash AZHIKODAN1
1Tokyo Metropolitan University, Japan, 2IIT Kharagpur, India, 3IIT KHARAGPUR, India
OS05-A027 Dissolved and Sedimentary Phthalic Acid Esters in the Vembanad Wetland Ecosystem, Southwest Coast of India Anju SURESH1, Habeeb RAHMAN K1#, Sebastian Nybin REMELLO1, Fazalurahman KUTTASSERY2, Katsuhide YOKOYAMA3, Gubash AZHIKODAN3+
1Cochin University of science and technology (CUSAT), Kerala- 682016, India, India, 2University of Calicut, Malappuram, Kerala - 673635, India, India, 3Tokyo Metropolitan University, Japan

OS06 Tropical Cyclone-Ocean Interactions: Processes, Observations, and Implications from Weather to Climate
Abstract ID Abstract Title Authors
OS06-A002 Impacts of Three Types of Positive Indian Ocean Dipole on Tropical Cyclone Genesis Over the Northwest Pacific Ronghui ZHANG, Zhen-Qiang ZHOU#+, Yanke TAN, Ruifen ZHAN, Wei MEI, Guihua WANG
Fudan University, China
OS06-A003 Wintertime Reemergence of Ocean Subsurface Warm Anomalies Induced by Tropical Cyclones Eitaro NAKADA#+, Hiroyuki TOMITA, Takuro MATSUTA
Hokkaido University, Japan
OS06-A014 Prolonged Inland Propagation of Pre-monsoon Tropical Cyclones Over the North Indian Ocean: Characteristics and Implications Amit KUMAR JENA1#+, Manasa R BEHERA1, Sachiko MOHANTY2, Swadhin BEHERA3, Srineash VK1
1Indian Institute of Technology Bombay, India, 2Indian Institute of Remote Sensing, Dehradun, India, 3Japan Agency for Marine-Earth Science and Technology, Japan
OS06-A019 Assessing Momentum-exchange Parameterization at High-wind Speed Conditions in Wrf: Typhoon Hinnamnor (2022) Observed by an Autonomous Surface Vehicle Gota YAMASAKI1#+, Koki IIDA2, Toshiyuki BANDAI1, Yusuke UMEMIYA3, Naoko KOSAKA1, Tsuneko KURA1, Hiroshi MATSUBARA4, Nobuhito MORI5, Satoshi MITARAI6, Takayuki SUZUKI7, Naohisa TAKAGAKI8, Hitoshi TAMURA9, Hironori FUDEYASU7
1NTT, Inc., Japan, 2The University of Tokyo, Japan, 3Space Environment and Energy Labs., NTT, Inc., Japan, 4NTT Space Environment and Energy Laboratories, Japan, 5Kyoto University, Japan, 6Okinawa Institute of Science and Technology Graduate University, Japan, 7Yokohama National University, Japan, 8University of Hyogo, Japan, 9Port and Airport Research Institute, Japan
OS06-A020 Direct Numerical Simulations of Wind-Wave Interaction under Strong Wind Conditions Ryoya MIZUNO#+, Yasushi FUJIWARA
Kobe University, Japan
OS06-A008 Impact of the Kuroshio Current on Modulating Typhoon Intensity through Ocean–Atmosphere Interactions Jiha KIM#+, Takuya MIYASHITA, Tomoya SHIMURA, Nobuhito MORI
Kyoto University, Japan
OS06-A012 Incorporating Ocean Feedbacks in Pseudo-global-warming Simulations for Tropical Cyclone Intensity Projection Ger Anne Marie DURAN1#+, Il-Ju MOON1, Sewon DO2, Nanda Kishore Reddy BUSIREDDY3, Jae-Woong RYU4
1Jeju National University, Korea, South, 2Department of Atmosphere Environment Research, Korea Environment Institute, Sejong, Republic of Korea, Korea, South, 3Mubadala Arabian Center for Climate and Environmental Sciences, New York University, Abu Dhabi, United Arab Emirates, 4Central Research Institute, Korea Hydro & Nuclear Power Co., Republic of Korea, Korea, South
OS06-A009 Effect of Shallow Water Depth on Sea Surface Temperature Cooling Induced by Landfalling Tropical Cyclones Wen-Pu HO#+, Iam-Fei PUN
National Central University, Taiwan
OS06-A021 Measuring and Modeling the Wind-driven Wave Tearing Milan CURCIC#+, Brian HAUS
University of Miami, United States
OS06-A022 Multiphase Modeling Of Air–Sea Gas Transfer In Tropical Cyclones: Laboratory And Field Perspectives Alexander SOLOVIEV1#+, Breanna VANDERPLOW1, Roger LUKAS2, Brian HAUS3, Isaac GINIS4
1Nova Southeastern University, United States, 2University of Hawaii, United States, 3University of Miami, United States, 4University of Rhode Island, United States
OS06-A013 Tropical Cyclone Intensification by Reduced Sea Surface Temperature in an Idealized Numerical Framework Vijay VISHWAKARMA+, Il-Ju MOON#, Youjung OH
Jeju National University, Korea, South
OS06-A015 Hindcast Accuracy of Storm Surge, Tide, and River Water Levels: a Case Study of Typhoon Lan (2017) Fumina MATSUNO1+, Tomoki SHIRAI2, Tatsumi HARADA2, Taro ARIKAWA2#
1Chuo university, Japan, 2Chuo University, Japan
OS06-A023 Observations of Air-Sea Interactions Under Tropical Cyclones Using Emerging Technologies Atsushi FUJIMURA#+
University of Guam, Guam
OS06-A016 Impact of Subsurface Temperature and Salinity Stratification on Tropical Cyclone Intensity in a Warming North Equatorial Current Jo-Hsu HUANG+, Yu-Heng TSENG#, Yi-Hsuan HUANG, Cheng-Hsiang CHIH, Yi-Chun KUO, Chun-Chieh WU
National Taiwan University, Taiwan

OS07 Coupled Dynamics of the Asian Monsoon and Indo-Pacific System
Abstract ID Abstract Title Authors
OS07-A009 Rising Trends in Winter Phytoplankton Blooms in the Northern Arabian Sea Over the Last Two Decades: Drivers and Implications Zhe SONG1+, Dujuan KANG1#, Fei CHAI2
1Shanghai Jiao Tong University, China, 2Xiamen University, China
OS07-A003 South China Sea Warming Enhances Summer Monsoon Intraseasonal Oscillation Tong LIAO+, Baosheng LI#
Sun Yat-Sen University, China
OS07-A013 Sea Ice Reduction in the Barents–kara Sea Enhances June Precipitation in the Yangtze River Basin Tianli XIE1+, Zhen-Qiang ZHOU2#, Renhe ZHANG2, Bingyi WU2, Peng ZHANG2
1Fudan university, China, 2Fudan University, China
OS07-A014 Contrasting Multiscale Mechanisms of Extreme Rainfall Events in Henan Province: the July 2021 and September 2024 Cases Chen YANG+, Zhen-Qiang ZHOU#, Renhe ZHANG, Yanke TAN, Yibin HUANG
Fudan University, China
OS07-A011 Long-term Variability of Sea Surface and Vertical Ocean Structure in the Southern Indo-Pacific under Climate Warming I MADE DHARMA RAHARJA1#+, Yoichi ISHIKAWA2, Takahiro OSAWA3
1Tohoku University, Japan, 2Japan Agency for Marine-Earth Science and Technology, Japan, 3Yamaguchi University, Japan

OS08 Ocean Turbulence and Its Influence on Particle, Plankton, and Biogeochemical Dynamics
Abstract ID Abstract Title Authors
OS08-A001 Beyond Turbidity: Microscopic Algae as Sensitive Tracers of Seafloor Disturbance in a Dynamic Coastal System Kwee TEW#+
National Sun Yat-sen University, Taiwan
OS08-A002 On the Properties of Diffusive Interfaces in Double Diffusive Convection Chaobo YANG+, Yantao YANG#
Peking University, China
OS08-A004 Estimating Zooplankton-induced Mixing in Stratified Fluids from Spatial Distributions and Swimming Dynamics Wanting CHENG1+, Ye TIAN2, Yongxiang HUANG3, Shi-Di HUANG2#
1Southern University of Science and Technology, China, 2Southern Universiy of Science and Technology, China, 3Xiamen University, China
OS08-A011 A Universal Scaling Law for Swimming Zooplankton and Its Implications for the Ocean Energy Budget Ye TIAN1+, Wanting CHENG2, Yongxiang HUANG3, Shi-Di HUANG1#
1Southern Universiy of Science and Technology, China, 2Southern University of Science and Technology, China, 3Xiamen University, China
OS08-A013 Fate of Phytoplankton Thin Layers Due to Tidal Flow in Tokyo Bay Hidekatsu YAMAZAKI1,2#+, Daiyuan LI3, Eiji MASUNAGA4, Jun LIN5
1Tokyo University of Marine Science and Technology, Japan, 2Okinawa Institute of Science and Technology, Japan, 3Xiamen University, China, 4Ibaraki University, Japan, 5Shanghai Ocean University, China

OS09 Interdisciplinary Science on Coastal and Marginal Seas
Abstract ID Abstract Title Authors
OS09-A008 Kara Sea Freshened Surface Layer in 6 Global Ocean Reanalyses Roman SEDAKOV1#+, Alexandra GORDEY2
1Moscow Institute of Physics and Technology, Russian Federation, 2Shirshov Institute of Oceanography, Russian Federation
OS09-A001 Satellite Based Mapping of Potential Fishing Ground Hotspots in Coastal Vietnam: Implications for Sustainable Fisheries Thi Thuy Linh NGUYEN#+, Po-Chun HSU
Center for Space and Remote Sensing Research, National Central University, Taiwan
OS09-A003 Spatial Distributions and Sources of Major Nutrients, Pigments, and Heavy Metals in the Waters Surrounding Taiwan Tung-Yuan HO1#+, Chung-Hsin YEH1, Chia-Jung LU1, Chih-Chiang HSIEH1, Kuo-Wei YEN2, Ke-Yang CHANG2, Hsin-Ming YEH2
1Academia Sinica, Taiwan, 2Fisheries Research Institute, Ministry of Agriculture, Taiwan
OS09-A006 Effect of Marine Heatwave Metrics on Core Fishing Grounds in the Marginal Seas of the Korean Peninsula Se-been JEONG+, Yong-Jin TAK#
Kangwon National University, Korea, South
OS09-A004 Realigning Marine Protected Area Governance with Earth System Principles Huey-Shian CHUNG#+
National Taiwan Ocean University, Taiwan
OS09-A009 Morphological Characteristics of Subtidal Potholes off Madara Island, Northern Kyushu, Japan Kokoro INOUE1#+, Masami SANNOH2, Takayuki KANKI2, Hironobu KAN3
1Graduate School of Integrated Sciences for Global Society, Kyushu University, Japan, 2Faculty of Cultural and Social Studies, Kyushu University, Japan, 3Kyushu University, Japan
OS09-A005 Seasonal Variability of Benthic Metabolism and Dissolved Organic Carbon Dynamics in a Tropical Seagrass Meadow Jian-Jhih CHEN1#+, Tzong-Yueh CHEN2, Hsiao-Chun (Jean) TSENG3, Wen-Chen CHOU2, Mariche NATIVIDAD2,4
1National Kaohsiung University of Science and Technology, Taiwan, 2National Taiwan Ocean University, Taiwan, 3Institute of Marine Environment and Ecology, National Taiwan Ocean University, Taiwan, 4Ecosystems Research and Development Bureau, Philippines
OS09-A010 Performance of Tides in Mikawa Bay Simulated by a Model Calibrated with M2 Tidal Currents and Sea Levels in Ise Bay Takaki TSUBONO#+
CRIEPI, Japan
OS09-A011 Observational Study on Flow Structures Around the Tidal Front Ariko UMEWAKA1+, Akihiko MORIMOTO2#
1Graduate School of Science and Engineering, Ehime University, Japan, 2Ehime University, Japan
OS09-A012 Bottom Cold Water Intrusion Events in the Bungo Channel Based on Field Observations in Summer 2021 Suphachai YUENYONG#+, Akihiko MORIMOTO, Xinyu GUO
Ehime University, Japan
OS09-A013 Methane and Carbon Dioxide Dynamics in Highly Urbanized Coastal Waters of Tokyo Bay Rana SHINYA1#+, Atsushi KUBO1, Rumi SOHRIN1, Toshiya KATANO2
1Shizuoka University, Japan, 2Tokyo University of Marine Science and Technology, Japan
OS09-A007 Digital Twins of the Ocean for Sustainable Marginal Seas Swadhin BEHERA#+
Japan Agency for Marine-Earth Science and Technology, Japan

OS10 Air-sea Processes in the Maritime Continent
Abstract ID Abstract Title Authors
OS10-A001 Sea Surface Temperature in the Indonesian Seas Is Equally Driven by Oceanic and Atmospheric Processes Sougata BASAK1#+, Maxim NIKURASHIN2, Beatriz PEÑA-MOLINO3, Bernadette SLOYAN4, Helen PHILLIPS1
1University of Tasmania, Australia, 2Institute for Marine and Antarctic Studies, University of Tasmania, Australia, 3CSIRO Environment, Australia, 4Commonwealth Scientific and Industrial Research Organisation, Australia
OS10-A003 Compound ENSO-IOD Effects on Marine Heatwaves and Surface Ocean Conditions in the Natuna Islands Reza FAHLEVI#+, Po-Chun HSU
Center for Space and Remote Sensing Research, National Central University, Taiwan
OS10-A004 Indonesian Seas Surface Water Circulation Linked to Mean Climate State Reversals Sujata MURTY1#+, Nathalie GOODKIN2, Ellen DRUFFEL3, Alit WIGUNA4, Halmar HALIDE5, Arnold L. GORDON6
1Department of Atmospheric & Environmental Sciences, University at Albany, United States, 2Richard Gilder Graduate School, United States, 3Department of Earth System Science, University of California, Irvine, CA, USA, United States, 4Somya Pertiwi Foundation of Bali, Bali, Indonesia, Indonesia, 5Department of Geophysics, Universitas Hasanuddin, Makassar, Indonesia, Indonesia, 6Columbia University, United States
OS10-A006 Accelerated Termination of the 2019 Extreme Positive Indian Ocean Dipole by Shortwave-induced Warming in a Shallow Mixed Layer Off Sumatra and Java Takanori HORII1#+, Iwao UEKI1, Tengfei XU2, Shigeki HOSODA1
1Japan Agency for Marine-Earth Science and Technology, Japan, 2Ministry of Natural Resources, China
OS10-A008 Quantifying the Linkage Between Coastal and Offshore Upwelling in Southwest Sumatra via a Cluster Area Approach Ferdy Gustian UTAMA1,2#+, Joke F. LÜBBECKE3, Maren WALTER3, Mahyar MOHTADI4
1MARUM, Universität Bremen, Germany, 2BMKG (Meteorology, Climatology, and Geophysical Agency), Indonesia, 3Department of Oceanography, Institute of Environmental Physic, University of Bremen, Germany, 4University of Bremen, Germany
OS10-A017 Detailed Bottom Topography of Southern Pantar Strait Basin Reveals the Cold-water Mass Origin of the Extreme Upwelling Event in the Seas of Alor Kecil, Alor Island, Indonesia Anindya WIRASATRIYA1#+, R. Dwi SUSANTO2, Gentio HARSONO3, Jahved Ferianto MARO4
1Faculty of Fisheries and Marine Science, Indonesia, 2University of Maryland, United States, 3Hydro-Oceanographic Center, Indonesian Navy, Indonesia, 4Universitas Tribuana Kalabahi, Indonesia
OS10-A012 Observed Barrier Layer Modulation of Intraseasonal Air-Sea Coupling in the Banda Sea From Five Profiling Floats Arief SURYO1#+, M F A ISMAIL1, Widodo Setiyo PRANOWO1,2, Stephen RISER3
1National Research and Innovation Agency, Indonesia, 2Indonesia Naval Postgraduate Military Service School, Indonesia, 3University of Washington, United States
OS10-A014 Investigating Sources of Systematic Errors in the Indian Ocean Associated with Forecasting Skill Deficiencies Using Nudging and Particle Tracing Techniques Charline MARZIN1#+, Hannah ELLIS1, Marimel GLER2
1Met Office, United Kingdom, 2University of Reading, United Kingdom

OS11 Coastal Hazards: Impacts of Tropical Storms and Tsunamis
Abstract ID Abstract Title Authors
OS11-A051 A Spatiotemporal Comparison of Numerical and Machine-Learning-Based Weather Models for Wind-Wave Forecasting Fuuki OGAWA1+, Tomoki SHIRAI1, Masashi TANAKA2, Yurie ITAGAKI3, Taro ARIKAWA1#, Tomoya SHIBAYAMA1
1Chuo University, Japan, 2Fudo Tetra Corporation, Japan, 3Penta-Ocean Construction, Japan
OS11-A001 Numerical Modeling of Tsunami Inundation Using the Shallow Water Equations with GPU Acceleration Jin-Hee YUK#+, Jong-Chan KIM
Korea Institute of Science and Technology Information, Korea, South
OS11-A054 Tsunami Generation in Ice-covered Water Philip Li-Fan LIU#+, Ikjae LEE
Texas A&M University, United States
OS11-A032 Scale Dependence of Wave Attenuation in Coastal Rhizophora Mangrove Forest Suchan JOO1+, Hai Van DANG1,2, Sungwon SHIN1#, Victoria JOHNSON3, Daniel COX4
1Hanyang University, Korea, South, 2Vietnam Maritime University, Viet Nam, 3United States Naval Academy, United States, 4School of Civil and Construction Engineering, Oregon State University, United States
OS11-A002 Petrophysical Properties of the Basal Shear Zones in Mass-Transport Complexes: Insights into Submarine Landsliding Processes Yunshan ZHANG1#+, Nan WU1, Harya NUGRAHA2
1Tongji University, China, 2Pertamina University, Indonesia
OS11-A017 Evaluating the Impact of Global Warming on Typhoon Jebi (2018) Using the D4pdf Dataset Ryota SAITO#+, Tomoya SHIMURA, Nobuhito MORI
Kyoto University, Japan
OS11-A003 Variability of Vertical Shape of Mangrove Rhizophora Stylosa for Wave Attenuation Nobuhito MORI1#+, Yusuke HASEGAWA2, Tomoya SHIMURA1, Takuya MIYASHITA1
1Kyoto University, Japan, 2DPRI, Kyoto University, Japan
OS11-A061 Storm Surge Simulations Using SFINCS and Its Applicability to Japanese Coastal Regions Kotomi KIRYU#+, Shiho ONOMURA, Yuta NISHIDA
Tokyo City University, Japan
OS11-A038 Deep Learning–based Super-resolution of Historical Landsat Imagery for Multi-decadal Shoreline Change Analysis ByungYoun MO1#+, Kideok DO2, Jinah KIM3, In-Ho KIM4, Byungmo KIM5
1Korea Maritime & Ocean Univ., Korea, South, 2Korea Maritime & Ocean University, Korea, South, 3Korea Institute of Ocean Science, Korea, South, 4The Kangwon National University, Korea, South, 5Korea Maritime and Ocean University, Korea, South
OS11-A020 A Comparative Study of Wave Effects on Storm Surge Along the Southeast Coast of China: Terrain-driven Regional Disparities Jie YANG#+, Mengting JIANG
Hohai University, China
OS11-A008 Projected Impacts of Climate Change on Storm Surge Inundation and Economic Loss in Tokyo Bay Junbeom JO#+, Nobuhito MORI
Kyoto University, Japan
OS11-A024 Assessment of Global Storm Surge Risk Using Maximum Potential Storm Surge Model with Climate Change Yuichiro SUZUKI#+, Nobuhito MORI, Tomoya SHIMURA, Takuya MIYASHITA
Kyoto University, Japan
OS11-A005 Automatic Extraction of Tsunami Water-Level Time Series from Coastal Video Data Using a Deep-learning Approach (Segment Anything Model 2) Masaaki MINAMI#+, Hiroaki TSUSHIMA, Yutaka HAYASHI
Meteorological Research Institute, Japan Meteorological Agency, Japan
OS11-A006 Numerical Simulation and Regional Characteristic Analysis of Multi-source Earthquake Tsunamis in the Curved Subduction System in Southeast Asia Peng DU1#+, Linlin LI1, Weiwei DING2, Nugroho HANANTO3, Wahyo WILOPO4
1Sun Yat-sen University, China, 2Second Institute of Oceanography, Ministry of Natural Resources,China, China, 3Indonesian Institute of Sciences, Indonesia, 4Universitas Gadjah Mada, Indonesia
OS11-A007 Influence of Building Representation Methods and Grid Resolution on Tsunami Dynamics Airi KATO#+, Toshitaka BABA
Tokushima University, Japan
OS11-A009 Tsunami Fragility Curves Estimated from Building Damages in Horyu Town, Ishikawa, Japan Following the 2024 Noto Peninsula Earthquake Takayuki YASUHARA#+, Toshitaka BABA
Tokushima University, Japan
OS11-A010 Implementation of a Coastal-pluvial Compound Flooding Process in an Unstructured Cross-scale Model Hyeok JIN#+, JongJib PARK, HeungBae CHOI, SuYoung JEONG
GeoSystem Research, Korea, South
OS11-A011 Wind Forcing and Sea State Characteristics of Typhoons Affecting the Vietnam Coast Hong-Thuong NGO1#+, Po-Chun HSU2
1Center for Space and Remote Sensing Research, National Central University, Taiwan, Taiwan, 2Center for Space and Remote Sensing Research, National Central University, Taiwan
OS11-A015 Understanding Uncertainties in Tsunami Deposition Interpretation from Sources to Deposition Patterns: Taking the South China Sea as an Example Fating LI1,2+, Linlin LI1#, Nobuhito MORI2
1Sun Yat-sen University, China, 2Kyoto University, Japan
OS11-A047 Eruption Forcing and Tsunami Response in the 2022 Hunga Tonga Event Tatsuhiko TOKUTA#+, Taro ARIKAWA
Chuo University, Japan
OS11-A044 Waveform Analysis of the Tsunami Generated by the 3 April 2024 Hualien Earthquake Chi-Wen CHEN1#+, Tso-Ren WU2, Kenji SATAKE2,3
1Department of Earth Sciences, National Central University, Taiwan, 2National Central University, Taiwan, 3University of Tokyo, Japan
OS11-A019 Enhancing Physical Consistency in Deep Learning-based Tropical Cyclone Prediction Via Dynamical Constraints Yongyan YE+, Jie YANG#
Hohai University, China
OS11-A043 HF Radar–Based Tsunami Data Assimilation and Forecasting in the Kii Channel Muhammad Irham SAHANA1,2#+, Hirofumi HINATA2, Ryotaro FUJI2
1Nippon Koei Co., Ltd. / Ehime University, Japan, 2Ehime University, Japan
OS11-A021 Quantifying Storm‑surge Contributions to Compound Flooding During Typhoon Hagibis (2019) Along Japan’s Pacific Coast Haobo YANG1#+, Yusuke UCHIYAMA2
1Kobe University, Graduate School of Engineering, Japan, 2Kobe University, Japan
OS11-A048 Investigation of the Fault Model of the 2024 Hualien Earthquake Using Tsunami Waveform Inversion Ming-Jen LO1#+, Tso-Ren WU2, Kenji SATAKE2,3
1National Central University, Taiwan, Taiwan, 2National Central University, Taiwan, 3University of Tokyo, Japan
OS11-A053 Data assimilation for typhoon waves using drifting buoy and satellite observations Sota MOTOKI#+, Tomoya SHIMURA, Nobuhito MORI, Takuya MIYASHITA
Kyoto University, Japan
OS11-A023 Effect of Wave Nonlinearity and Vegetation Morphology on Wave Attenuation Jun-Nyeong PARK1#+, Sooyoul KIM1, Nobuhito MORI2, Yu-Lin TSAI3, Hoang Trung DAO4, Le Hai TRUNG5
1Kumamoto University, Japan, 2Kyoto University, Japan, 3National Yang Ming Chiao Tung University, Taiwan, 4Department of Marine Management, Faculty of Marine Science and Island, Hanoi University of Natural Resources and Environment, Viet Nam, 5Divison of Coastal and Waterway Engineering, Faculty of Civil Engineering, Thuyloi University, Viet Nam
OS11-A025 Projections of Global Storm Surges using Mega Climate Ensembles d4PDF and d4PDFv2 Takuro KOJIMA1#+, Tomoya SHIMURA2, Nobuhito MORI2, Takuya MIYASHITA2
1Disaster Prevention Research Institute, Kyoto University, Japan, 2Kyoto University, Japan
OS11-A042 Mangroves as Nature-based Solutions for Tsunami Disaster Reduction in the Coastal Region of Bali Abdul Kadir ALHAMID1#+, Dhaifina Nazhifah AZHAR1, Mohammad FARID2, Mohammad Bagus ADITYAWAN2, Hamzah LATIEF1
1Bandung Institute of Technology, Indonesia, 2Institut Teknologi Bandung, Indonesia
OS11-A029 Long-term Wave Statistical Analysis in the Asia–pacific Coastal Region Based on D4pdf Dataset Zuorui LYU#+, Tomoya SHIMURA, Nobuhito MORI
Kyoto University, Japan
OS11-A052 Re-examination of the 1952 Kamchatka Earthquake Source Model Using Tsunami Waveforms and Calibrations from the 2025 Kamchatka Earthquake Aditya GUSMAN#+
Earth Sciences New Zealand, New Zealand
OS11-A027 Inundation Characteristics under Compound Flooding in the Toyogawa River Estuary Yuto AJIOKA1#+, Masaya TOYODA1, Shigeru KATO2, Takashi TASHIRO3, Sohei KOBAYASHI4, Haruka ONO1
1Toyohashi University of Technology, Japan, 2Toyohashi Univerisity of Technology, Japan, 3Disaster Mitigation Research Center, Nagoya University, Japan, 4Kyoto University , Japan
OS11-A028 Physics-based Modeling of Tsunami Hazard Variability in the Gulf of Aqaba Bo LI#+, Paul Martin MAI, Jialing DAI
King Abdullah University of Science and Technology, Saudi Arabia
OS11-A034 Integrating an SW-LSTM Model with GNSS-IR to Enhance Sea-Level Measurements during Storm Surges Kailun HU+, Huabin SHI#
University of Macau, Macau
OS11-A031 From Summit to Seafloor: Quantifying the Source of the 1871 Ruang Volcano Tsunami Through Integrated Dem and Bathymetry Analysis Sebastian WATT1, litanya OCTONOVRILNA2#+
1University of Birmingham, United Kingdom, 2university of birmingham, United Kingdom
OS11-A035 Experimental Studies on Storm-driven Debris Loadings on Elevated Structures Hai Van DANG1,2+, Myungjin LEE1, Suchan JOO1, Sungwon SHIN1#, Hyoungsu PARK3, Pedro LOMONACO4, Daniel COX5
1Hanyang University, Korea, South, 2Vietnam Maritime University, Viet Nam, 3University of Hawaii at Manoa, United States, 4Oregon State University, United States, 5School of Civil and Construction Engineering, Oregon State University, United States
OS11-A033 Storm-driven Overland Flow in Idealized Coastal Communities: Experimental and Numerical Assessment of Mitigation Structures Hai Van DANG1,2#+, Sungwon SHIN1, Hyoungsu PARK3, Daniel COX4
1Hanyang University, Korea, South, 2Vietnam Maritime University, Viet Nam, 3University of Hawaii at Manoa, United States, 4School of Civil and Construction Engineering, Oregon State University, United States
OS11-A036 Numerical Investigation of Dynamic Tide–Tsunami Interactions on Tsunami Propagation toward the Korean Peninsula Hai Van DANG1,2+, Raisya AZZAHRA1, Junhyeok LIM1, Sungwon SHIN1, Taemin HA3#
1Hanyang University, Korea, South, 2Vietnam Maritime University, Viet Nam, 3Kangwon National University, Korea, South
OS11-A039 Toward Objective Classification of Wave Breakers Using Deep Learning and Flume Imagery MIYOUNG YUN1#+, Kideok DO2, Jinah KIM3, Sungwon SHIN4, Minji BAE2
1Korea Maritime & Ocean Univ., Korea, South, 2Korea Maritime & Ocean University, Korea, South, 3Korea Institute of Ocean Science, Korea, South, 4Hanyang University, Korea, South
OS11-A049 Analysis of Atmospheric Pressure-Wave Propagation for Meteotsunamis Generation in Kyushu, Japan based on WRF Simulations Ai NISHINO1#+, Takuya MIYASHITA2, Nobuhito MORI2, Tomoya SHIMURA2, Tomohiro YASUDA3
1DPRI, Kyoto University, Japan, 2Kyoto University, Japan, 3Kansai University, Japan
OS11-A050 A Novel Concentration Gradient Method (cgm) for Modeling Submarine Landslides: Application to the Simulation of Nepheloid Layer Formation Tso-Ren WU#+, Che-Han CHANG, Cheng-Hao YEH
National Central University, Taiwan
OS11-A060 Fundamental Research Toward Modeling Rigid Body Motion Using Particle Methods Shota SHIMIZU#+, Toshinori OGASAWARA
Iwate University, Japan
OS11-A059 Parameter Study of Bottom Manning's Roughness Coefficient in Submarine Landslide Tsunami Experiment Using a Two-layer Model Kaito SUZUKI+, Taro ARIKAWA#, Yota ENOMOTO, Tomoya KURIHARA
Chuo University, Japan
OS11-A055 Fundamental Study of Regularization Parameters in Wave Source Estimation Methods Without Assuming Fault Parameters Kazuki TSUGANEZAWA1+, Tatsuhiko TOKUTA2, Taro ARIKAWA2#
1Chuo-university, Japan, 2Chuo University, Japan
OS11-A072 Risk Analysis of Typhoon Storm Surge Inundation in Osaka Bay Tungcheng HO#+, Nobuhito MORI, Junbeom JO
Kyoto University, Japan
OS11-A076 Predictions of Extreme Sea Levels Under Climate Change Dongmei XIE#+, Junning PAN
Nanjing Hrdraulic Research Institute, China
OS11-A062 Machine Learning Based Tsunami Wave Prediction Using Offshore Observations in the South China Sea Linlin LI#+, Xiwen LIU
Sun Yat-sen University, China
OS11-A064 Constraining Tsunami Hazard from Submarine Landslides Off Northwest Borneo Using Volume-dependent Scenarios Elaine HZ TAN1#, Xiaoyi PAN2, Linlin LI3, Andrea VEROLINO4, Kan ZHANG3, Robert WEISS5, Raquel FELIX6, Masahi WATANABE7, Adam SWITZER1+
1Nanyang Technological University, Singapore, 2Guangdong Provincial Key Laboratory of Geodynamics and Geohazards, School of Earth Sciences and Engineering, Sun Yat-sen University, Guangzhou, China,, China, 3Sun Yat-sen University, China, 4University of Paris-Saclay, France, 5Virginia Tech, United States, 6Department of Architecture and Civil Engineering, University of Bath, Bath, BA2 7AY, United Kingdom., United Kingdom, 7University of Southampton, United Kingdom
OS11-A066 Wave Attenuation by Rhizophora Mangroves Using a Fully Nonlinear Boussinesq Model Yu-Lin TSAI1#+, Che-Wei CHANG2, Nobuhito MORI3
1National Yang Ming Chiao Tung University, Taiwan, 2The University of Rhode Island, United States, 3Kyoto University, Japan
OS11-A069 Analysis of Tsunami Period Characteristics along the Eastern Coast of Korea using Numerical Simulations Abe TOMOYA#+
Kyushu Univesity, Japan
OS11-A074 A Study on Tsunami Detection System Prototyping Using Inversion Analysis of Microbarometer Network Data Over Eastern Japan Kyosuke SATO1#+, Tsubasa KUSANO2, Kan OKUBO2
1Department of Electrical Engineering and Computer Science, Graduate School of Systems Design, Tokyo Metropolitan University, Japan, 2Tokyo Metropolitan University, Japan
OS11-A070 One Ocean, Different Future: Uneven Changes in Extreme Storm Surges Across Northern Indian Ocean Cities Md. Rezuanul ISLAM1#+, Htut Naing THWIN2, Hiroshi TAKAGI2, Yohei SAWADA1
1The University of Tokyo, Japan, 2Institute of Science Tokyo, Japan
OS11-A071 Tsunami Warning Cancellation Based on Data Assimilation with a Nonlinear Propagation Model: Application to the 2025 Mw 8.8 Kamchatka Earthquake Yuchen WANG#+, Kentaro IMAI
Japan Agency for Marine-Earth Science and Technology, Japan
OS11-A075 Integrated Numerical–observational Assessment of Overtopping Wave Heights at a Coastal Breakwater Khawar REHMAN1+, Wan-Hee CHO2, Jong-Yoon MUN1#
1Marine Information Technology Corp., Korea, South, 2Marine Information Technology Inc., Korea, South

OS12 Dynamics Driven Biogeochemical Cycle in Coastal Oceans
Abstract ID Abstract Title Authors
OS12-A007 Impacts of Multiple Nutrient Sources on the Nitrogen Inventory and Budget of a Semi-enclosed Coastal Sea Qian LENG#+, Xinyu GUO, Akihiko MORIMOTO
Ehime University, Japan
OS12-A004 POC Lateral Transport and Differential Burial in the Pacific Arctic Region Liming YE1#+, Xiaoguo YU2, Yeping BIAN3, Weijia FAN1, Dong XU1
1Second Institute of Oceanography, MNR, China, 2Second Institute of Oceanography, MNR, China, China, 3Second Institute of Oceanography, MNR,, China
OS12-A006 Short-term Impacts of Typhoon Events on Upwelling System and Carbon Dynamics in Coastal Water Zongpei JIANG#+
Zhejiang University, China
OS12-A009 Enhanced Carbon Sink Through Medium-level Tropical Cyclones in the Offshore East China Sea Yameng MA1#+, Kui WANG2, Jiliang XUAN3
1Zhejiang University, China, 2Zhejiang University , China, 3State Oceanic Administration, China
OS12-A010 Simulation of Red Tide Distribution in the Seto Inland Sea Using a High-resolution SCHISM–COSINE Model, validated with Satellite Observations. Jae-Soon JEONG1#+, Han Soo LEE1, Gandhi NAPITUPULU1, Nobuhito MORI2
1Hiroshima University, Japan, 2Kyoto University, Japan
OS12-A011 Buoyancy-driven Plume from Submarine Groundwater Discharge and Its Nutrient Transport Xinyu GUO#+, Menghong DONG
Ehime University, Japan

OS13 SWOT for Small-scale Ocean Dynamics
Abstract ID Abstract Title Authors
OS13-A001 A Strictly Geostrophic Product of Global Sea-surface Velocities from the Swot Fast-sampling Phase Takaya UCHIDA1#+, Badarvada YADIDYA2, Jia-Xuan CHANG3, Brian ARBIC3, Jay SHRIVER4
1Moscow Institute of Physics and Technology, Russian Federation, 2University of Michigan, United States, 3Department of Earth and Environmental Sciences, University of Michigan, Michigan, United States, 4Naval Research Laboratory, Stennis Space Center, Mississippi, United States
OS13-A002 Submesoscale Ocean Dynamics Associated with Island Mass Effect in Southeastern Taiwan Revealed by Swot and Himawari Synergistic Observations Po-Chun HSU1#+, Tzu-Ning CHEN2
1Center for Space and Remote Sensing Research, National Central University, Taiwan, 2Atmosphere and Climate Competence Center, University of Helsinki, Finland
OS13-A003 Observation System Experiments of Satellite Altimeters Targeting Meso-scale Eddies South of Japan Yasumasa MIYAZAWA1#+, Toru MIYAMA1, Yu-Lin CHANG1, Hakase HAYASHIDA1, Shoichiro KIDO1, Xinyu GUO2, Akira NAGANO1
1Japan Agency for Marine-Earth Science and Technology, Japan, 2Ehime University, Japan
OS13-A009 Synergistic Observation of Submesoscale Dynamics Using Swot and Seismic Oceanography Kun ZHANG#+, Haibin SONG
Tongji University, China
OS13-A005 Inferring Upper-ocean Submesoscale Dynamical Fields with a Physics-informed Constrained Deep Learning Framework Wenyu LI1#+, Haijin CAO2
1Hohai university, China, 2Hohai University, China
OS13-A006 Understanding Tsushima Strait Dynamics via Integrated SWOT and Shipborne GNSS-R/ADCP Measurements Chi-Ming LEE1#+, Kaoru ICHIKAWA2, Naoki HIROSE2, Chung-Yen KUO1
1National Cheng Kung University, Taiwan, 2Kyushu University, Japan
OS13-A007 Validating Gradient Wind Balance Dynamics in Submesoscale Eddies East of Taiwan: a Proposal by the Western Pacific International Observation and Research Center Shi-Ming CHEN#, Mei-Yu CHANG, Chia-Ying HO+
Taiwan Ocean Research Institute, National Institutes of Applied Research, Taiwan
OS13-A013 Sub-mesoscale Sea-surface Height Variability South of Japan as Seen by Swot and Shipborne Gnss XINYI WEI1#+, Kaoru ICHIKAWA2
1kyushu university, Japan, 2Kyushu University, Japan
OS13-A012 Kuroshio Perturbations Behind Islands as Seen by SWOT and Ship-born GNSS Kaoru ICHIKAWA#+
Kyushu University, Japan
OS13-A008 Variability in Sea Surface Heights in the Bungo Channel Associated with Bottom Intrusion Akihiko MORIMOTO#+
Ehime University, Japan
OS13-A011 Submesoscale Eddies Observed by Swot and the Associated Generation Mechanism Zhiwei ZHANG1#+, Mingfang MIAO1, Jianing ZHANG1, Xincheng ZHANG2
1Ocean University of China, China, 2Ocean University of China, China, China
OS13-A015 SWOT-observed ocean currents over the shelf and slope off Canada’s west coast Guoqi HAN#+
Fisheries and Oceans Canada, Canada

OS14 Physical and Biogeochemical Processes: Observational and Modeling Studies
Abstract ID Abstract Title Authors
OS14-A001 The Microbial Particles Dynamics in the Chesapeake Bay Sakib Bin RAFI1, Anand GNANADESIKAN2, Sarah P PREHEIM2, Meng XIA1#+
1University of Maryland Eastern Shore, United States, 2Johns Hopkins University, United States
OS14-A002 Beyond Lethal Temperatures: Factors Behind the Disappearance of Chum Salmon from Their Southern Margins Under Climate Change Yu-Lin CHANG#+
Japan Agency for Marine-Earth Science and Technology, Japan
OS14-A012 Defining Regions of Freshwater Influence from Material History Shinichiro KIDA#+
Kyushu University, Japan
OS14-A004 Impact of Ocean Acidification on Pteropods from the Eastern Arabian Sea. Mayuri RAUT1#+, Suhas SHETYE2
1CSIR-National Institute of Oceanography, India, 2CSIR - National Institute of Oceanography, India
OS14-A007 Simulating the age of materials transported from land to ocean Shoma INUI1#+, Shinichiro KIDA2
1Kyushu-University, Japan, 2Kyushu University, Japan
OS14-A006 Age Distribution Analysis of Microplastics in Urban Rivers Hinata SUZUKI#+, Shinichiro KIDA, Kei YUFU, Atsuhiko ISOBE
Kyushu University, Japan
OS14-A008 Asymmetric Responses of the Climate System and Carbon Cycle to CO2 Forcing Chao LI1#+, Hongmei LI2
1Max Planck Institute for Meteorology, Germany, 2Helmholtz-Zentrum Hereon, Geesthacht, Germany , Germany
OS14-A010 Vertically Resolving Biogeochemical And Physical Parameters Of Sea-Ice Brine Matthew CORKILL1#+, Takenobu TOYOTA2, Daiki NOMURA1, Naoya KANNA3, Jun NISHIOKA2
1Hokkaido University, Japan, 2Pan-Okhotsk Research Center, Institute of Low Temperature Science, Hokkaido University, Japan, 3The University of Tokyo, Japan
OS14-A011 Control of Organic Matter Reactivity, Sedimentation Rate and Shelf Geology on Divergent Diagenetic Pathways in Benguela Margin Sediments Siddhant KUMAR#+, Seunghee HAN
Gwangju Institute of Science and Technology, Korea, South
OS14-A013 Iron Supply Processes In The Coastal Oyashio Region Linked To Sea-Ice Meltwater And Storm-Enhanced Shelf Resuspension Momoka IMAI1,2#+, Aiko MURAYAMA2, Kazuya ONO3, Koji SUZUKI1, Hiroshi KURODA2, Takenobu TOYOTA2, Youhei YAMASHITA1, Toru HIRAWAKE4, Kay I. OHSHIMA2, Jun NISHIOKA2
1Faculty of Environmental Earth Science, Hokkaido University, Japan, 2Pan-Okhotsk Research Center, Institute of Low Temperature Science, Hokkaido University, Japan, 3Institute of Low Temperature Science, Hokkaido University, Japan, 4National Institute of Polar Research, Japan
OS14-A015 Ice Melting Process in Water Currents and Surface Waves Chia-Ren CHU1#+, Hwa CHIEN2
1National Central University, Taiwan, Taiwan, 2National Central University, Taiwan
OS14-A016 Dynamics of Annual and Interannual Sea Surface Chlorophyll-a Variations in the Seto Inland Sea, Japan Han Soo LEE1#+, Gandhi NAPITUPULU1, Nobuhito MORI2
1Hiroshima University, Japan, 2Kyoto University, Japan
OS14-A017 On the Information Content of Remote Sensing Data J. Xavier PROCHASKA1#+, Peter CORNILLON2, Jack SKINNER3, Iury SIMOES-SOUSA4, Scott MARTIN5
1University of California, Santa Cruz, United States, 2University of Rhode Island, United States, 3Caltech, United States, 4WHOI, United States, 5University of Washington, United States

OS15 Multiscale Variabilities in the Western Pacific Ocean and Their Impacts on Multi-disciplinary Aspects
Abstract ID Abstract Title Authors
OS15-A022 Wintertime SST-driven Quasi-decadal Variability of Turbulent Heat Flux around Subarctic Front in the Central North Pacific HARUTO FUJISHIMA1#+, Shusaku SUGIMOTO2
1Graduate School of Science, Tohoku University, Japan, 2Tohoku University, Japan
OS15-A002 Projected Progress of Mixed Layer Water Acidification Related to Physical Field Changes in the Western Subarctic North Pacific Under Future Global Warming Akira NAGANO#+, Masahito SHIGEMITSU, Masahide WAKITA, Chiho SUKIGARA
Japan Agency for Marine-Earth Science and Technology, Japan
OS15-A003 Interdecadal Variability of Marine Cold Spells in the Taiwan Strait During 1985 and 2025 Yun QIU#+
Third Institute of Oceanography, Ministry of Natural Resources, China
OS15-A014 Sea Surface Temperature Biases Contributing to the Southward Shift of the North Pacific Westerly Jet: Role of Bias in the Western North Pacific Subtropical Gyre Yusuke USHIJIMA1#+, Ryo MIZUTA2, Shion SEKIZAWA2, Hiroyuki TSUJINO3
1Center for Marine Environmental Study, PIAS, Ehime University, Japan, 2Meteorological Research Institute, Japan, 3Japan Meteorological Agency, Japan
OS15-A004 Role of Local Wind Forcing to Transition of the Kuroshio Extension State Around 2017: Application of Wind-forced Thin-jet Theory Yoshinori SASAKI#+
Hokkaido University, Japan
OS15-A013 Changes of Seasonal Cycle in the Western North Pacific CHUYUAN ZHUANG#+, Shinichiro KIDA
Kyushu University, Japan
OS15-A005 Projected Changes in the Kuroshio and Its Extension in an Eddy-resolving Climate Model Yukito TAMURA#+, Tomoki TOZUKA
The University of Tokyo, Japan
OS15-A024 Kuroshio Current Interaction With The Eastern Philippine Shelf From High-resolution Hydrodynamic Modeling Edmund DOLERA1#+, Charina Lyn REPOLLO2
1Marine Science Institute (University of the Philippines Diliman), Philippines, 2University of the Philippines Diliman, Philippines
OS15-A012 Dynamical Interactions Between the Kuroshio Large Meander and the Coastal Circulation Off the South Coast of Japan TINGTING YAN1#+, Kiyoshi TANAKA2, Toru MIYAMA3, Ruochao ZHANG3
1AORI, the University of Tokyo, Japan, 2The University of Tokyo, Japan, 3Japan Agency for Marine-Earth Science and Technology, Japan
OS15-A008 Revisiting the Kuroshio Frontal Eddies in the East China Sea: Insights From the Eddy Energy Budget Shuya WANG1#+, Xinyu GUO2, Shoichiro KIDO3, Yu-Xiang QIAO1, Hideharu SASAKI3
1Tohoku University, Japan, 2Ehime University, Japan, 3Japan Agency for Marine-Earth Science and Technology, Japan
OS15-A009 Enhanced Upper-Ocean Stratification Over the North Pacific Subtropical Gyre and Its Influence on Ocean Circulation Hung-Chun HOU1#+, Shusaku SUGIMOTO2
1Graduate School of Science, Tohoku Univeristy, Japan, 2Tohoku University, Japan
OS15-A016 Deep Water Properties Observed Around the Yap Mariana Junction in the Winter of 2021 and Summer of 2018 Masatoshi MIYAMOTO1#+, Kodai YAMADA1, Mitsuho OE1, Daigo YANAGIMOTO2, Daisuke SASANO1
1Japan Meteorological Agency, Japan, 2The University of Tokyo, Japan
OS15-A017 Variability of the Subtropical Mixed Layer Induced by the Subtropical Mode Water of the North Pacific Fumiaki KOBASHI1#+, Kimio HANAWA2, Naoto IWASAKA1, Youichi TANIMOTO3
1Tokyo University of Marine Science and Technology, Japan, 2Advanced Institute for Marine Ecosystem Change (WPI-AIMEC) and Tohoku University, Japan, 3Hokkaido University, Japan
OS15-A021 Investigation of Three-Dimensional Visualization of Oceanic Eddies in the Kuroshio Region Haruka HIRAE#+, Helen STEWART, Masaki HISADA
NTT, Inc., Japan
OS15-A019 Trends of Annual Subduction and Obduction Rates in the North Pacific in the Recent Decades Revealed by an Eddy-resolving Ocean Reanalysis Yoshimi KAWAI1#+, Shoichiro KIDO1, Yuma MIYAJI2, Youichi TANIMOTO2
1Japan Agency for Marine-Earth Science and Technology, Japan, 2Hokkaido University, Japan
OS15-A020 Impact of a Wintertime Marine Heatwave on a Heavy Rainfall Event in Northern Japan in January 2024 Shito FUKUDA1#+, Kazuaki NISHII1, Shusaku SUGIMOTO2
1Mie university, Japan, 2Tohoku University, Japan
OS15-A023 The impact of the 11-year solar cycle on the NEC bifurcation Chih-Peng KAO1,2#+, Yong-Fu LIN2, Chau-Ron WU2
1Academia Sinica, Research Center for Critical Issues; National Taiwan Normal University, Taiwan, 2National Taiwan Normal University, Taiwan
OS15-A029 Long-term wintertime SST increase around the subarctic front: Weakening of atmospheric cooling associated with the northwestward shift of the Aleutian Low Gaku NISHIHIRA1#+, Shusaku SUGIMOTO1, Bo QIU2, Niklas SCHNEIDER2, Kelvin RICHARDS3
1Tohoku University, Japan, 2University of Hawaii, United States, 3University of Hawaii at Manoa, United States
OS15-A028 Impact of Reduced Heat Release in the Kuroshio Extension Region on the Pacific Warming Pattern Taiki KOBAYASHI#+, Tomoki TOZUKA
The University of Tokyo, Japan
OS15-A026 Latitudinal and seasonal variability in zooplankton abundance, biovolume, community structure, and size spectra in the western North Pacific Ocean ZHIKUN YANG1#+, Dongwoo KIM2, Atsushi YAMAGUCHI2, Sota KOMEDA3
1HOKKAIDO UNIVERSITY FISHERIES SCIENCES, Japan, 2Graduate School of Fisheries Sciences, Hokkaido University, Japan, 3Marine Ecology Research Institute, Japan
OS15-A030 Influence of Mesoscale Eddies on the Observed Kuroshio Variability in the East China Sea from June 2020 to June 2025 Minsauk KANG1#+, Hanna NA1, SeungYong LEE2, Hong Sik MIN2, Dong Guk KIM2, Chanhyung JEON3, Jae-Hun PARK4, Nakamura HIROHIKO5, Ayako NISHINA6
1Seoul National University, Korea, South, 2Korea Institute of Ocean Science & Technology, Korea, South, 3Pusan National University, Korea, South, 4Inha University, Korea, South, 5Faculty of Fisheries, Kagoshima University, Japan, 6Kagoshima University, Japan
OS15-A032 First Dataset of Dissolved Inorganic Radiocarbon in North Pacific Subtropical Mode Water Catherine SMITH1#+, Wataru NAKAMURA2, Shota KATSURA3, Toshio SUGA3,4, Chiho SUKIGARA5, Yusuke YOKOYAMA6
1The Australian National University, Japan, 2Lake Biwa Environmental Research Institute, Japan, 3Tohoku University, Japan, 4JAMSTEC, Japan, 5Japan Agency for Marine-Earth Science and Technology, Japan, 6The University of Tokyo, Japan
OS15-A031 Mesoscale Cyclonic Eddies Inject Nutrient to the Kuroshio Recirculation Gyre Takeyoshi NAGAI1#+, Yuki KANEKO2, Yuki IKEDA2, Minoru KITAMURA3, Naho MIYAZAKI1, Diego OTERO1, Gloria Silvana DURAN GOMEZ1, Itsuka YABE4
1Tokyo University of Marine Science and Technology, Japan, 2Tokyo University of Marine Science and Technology, Japan, Japan, 3Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Japan, 4 Tokyo University of Marine Science and Technology, Japan, Japan
OS15-A033 Linking Noctiluca Scintillans Population Dynamics in Yatsushiro Bay to Potential Long-distance Connectivity Via the SCS and Kuroshio Muhammad Izzat NUGRAHA1#+, Katsumasa YAMADA2, Akira ISHIKAWA3, Beginer SUBHAN4, Kuo-Ping CHIANG5, Young-Ok KIM6, Sheng-Fang TSAI5, Yuki KOSAKA7, Waka SATO-OKOSHI1, Goh NISHITANI1, Atsushi YAMAGUCHI1
1Tohoku University, Japan, 2Aitsu Marine Station, Japan, 3Mie University, Japan, 4IPB University, Indonesia, 5National Taiwan Ocean University, Taiwan, 6Korea Institute of Ocean Science and Technology, Korea, South, 7Aomori Prefectural Fisheries Research Center, Japan
OS15-A034 Integrated Dynamics Of The Western Pacific Margin: Kuroshio Submesoscale Processes, Subduction, And Deep-Sea Ecosystems Mei-Yu CHANG1#+, Pai‑Sen YU2, Chien-Hsun CHEN3, Shi-Ming CHEN1, Jia-Ming DENG4, Feng-Yu WANG1, Yu-Hung HSIAO1, Ming-Yun LIU1
1Taiwan Ocean Research Institute, National Institutes of Applied Research, Taiwan, 2National Institutes of Applied Research Taiwan Ocean Research Institute, Taiwan, Taiwan, 3Taiwan Ocean Research Institute , National Institutes of Applied Research, Taiwan, 4Taiwan Ocean Research Institute, National Institutes of Applied Research,, Taiwan

OS16 Indo-pacific Ocean Circulation and Interocean Exchange: Dynamics and Climate Impacts
Abstract ID Abstract Title Authors
OS16-A002 The Role of the Indonesian Throughflow in Enso Evolution within the Indo-pacific Climate System PeiJung HE#+, Li-Chiao WANG
National Central University, Taiwan
OS16-A008 A Linear Inverse Modeling Framework for Investigating ENSO-IOD Interactions and Its Application to CMIP6 Models Ziyu YE1#+, Tomoki TOZUKA1, Shoichiro KIDO2
1The University of Tokyo, Japan, 2Japan Agency for Marine-Earth Science and Technology, Japan
OS16-A006 Imminent Rapid Decline of the Indonesian Throughflow After Reaching a Turning Point of Co2 Concentration Shijian HU1#+, XI LU2, Janet SPRINTALL3, Cong GUAN1, Xiaozhou RUAN4, Fan WANG5
1Hohai University, China, 2IOCAS, China, 3Scripps Institution of Oceanography, United States, 4Boston University, United States, 5Chinese Academy of Sciences, China
OS16-A012 The Role of Wind in Driving the Subsurface Velocity Maximum of Makassar Strait Throughflow and Mindanao Current yicong NIE1#+, Mingting LI2, Dongxiao WANG2
1Sun Yat-sen university, China, 2Sun Yat-sen University, China
OS16-A018 Ocean Stratification in the Indonesian Throughflow During Marine Isotope Stage 11 Rima RACHMAYANI1#+, Elfaiza Ihsani RAZITA1, Adnya PRATIWI1, Matthias PRANGE2, Ute MERKEL2, Donghao LI2
1Faculty of Earth Sciences and Technology, Institut Teknologi Bandung, Indonesia, 2University of Bremen, Germany

OS17 Regional Oceanic Numerical Modeling and Observations
Abstract ID Abstract Title Authors
OS17-A002 Tidal Modulation on the Upwelling Pathway Off the Zhoushan Islands in the East China Sea Denghui LI#+, Xiangzhou SONG
Hohai University, China
OS17-A003 Numerical Modeling of Internal Tides Over a Shallow Continental Shelf Off Mainland Japan Eiji MASUNAGA1#+, Shogo URAKAWA2, Kei SAKAMOTO3, Anne TAKAHASHI4, Eisuke TSUTSUMI5, Toshimi NAKAJIMA4, Sachihiko ITOH4
1Ibaraki University, Japan, 2Meteorological Research Institute, Japan, 3Kyoto University, Japan, 4The University of Tokyo, Japan, 5Kagoshima University, Japan
OS17-A007 Sensitivity Experiments on Wave Growth Parameter in a Wave Prediction Model Sukzun YOUN1#+, Jong Sook PARK1, Jeong-Ock LIM2, Yong Hee LEE3
1Korea Meteorological Administration Numerical Weather Prediction Center, Korea, South, 2Numerical Modeling Center/Korea Meteorological Administration, Korea, South, 3Korea Meteorological Administration, Korea, South
OS17-A005 Three-dimensional Structural Characteristics and Geometric Morphology of Marine Heatwaves in the South China Sea Yindi WANG+, Wenjin SUN#
Nanjing University of Information Science & Technology, China
OS17-A006 Evaluation of the Impact of Internal Tides on GNSS-A Observations Using the Regional Oceanic Modeling System Yusuke YOKOTA1#+, Tadashi ISHIKAWA2, Shun-ichi WATANABE3, Eiji MASUNAGA4, Yusuke UCHIYAMA5
1Institute of Industrial Science, University of Tokyo, Japan, 2Japan Coast Guard Academy, Japan, 3Japan Coast Guard, Japan, 4Ibaraki University, Japan, 5Kobe University, Japan
OS17-A009 High-resolution Wave Climate and Extremes Over the Sunda Shelf Based on a Triple-nested Wavewatch Iii––singv Modelling System XINGKUN XU1#+, Kaushik SASMAL2, Pavel TKALICH3,4
1Tropical Marine Science Institute, National University of Singapore, Singapore (TMSI), Singapore, 2Technology Centre for Offshore and Marine, Singapore (TCOMS), Singapore, 3National University of Singapore, Singapore, 4The Technology Centre for Offshore and Marine, Singapore (TCOMS), Singapore
OS17-A026 Long-term Spatiotemporal Variability of Sea Surface Temperature Along the Japanese Coasts Koyo HIRAGA1#+, Hiroshi YAGI2, Ryunosuke KOMURO3
1National Defence Academy of Japan, Japan, 2National Defense Academy, Japan, 3National Defence Academy, Japan
OS17-A008 Revisiting the Threshold Values of Vertical Temperature Gradient around the Korean Marginal Seas Yu-Jin LEE1+, You-Soon CHANG1#, Do-Seong BYUN2, Ju-Eun PARK2
1Kongju National University, Korea, South, 2Korea Hydrographic and Oceanographic Agency, Korea, South
OS17-A010 Regional Coastal Ocean Model for Singapore Strait Pavel TKALICH1,2#+, Firmijn ZIJL3, Martin VERLAAN3, Mark HEGNAUER4, Kun YAN3, Haihua XU5
1National University of Singapore, Singapore, 2The Technology Centre for Offshore and Marine, Singapore (TCOMS), Singapore, 3Deltares, Netherlands, 4Deltares, Singapore, 5Technology Centre for Offshore and Marine, Singapore, Singapore, Singapore
OS17-A022 Improvement of Ocean Numerical Model Performance by Considering Spatial Turbidity Distribution Changes Gidon KIM1+, Yong-Jin TAK2#, Jong-Kyu KIM3
1Kangwon national university, Korea, South, 2Kangwon National University, Korea, South, 3Ocean Climate Change and Ecology Research Division, National Institute of Fisheries Science, Korea, South
OS17-A020 The Impact of Wind-wave-current Coupling on Typhoon Simulation in Deep-sea Regions Lingxiang YAO1#+, Changming DONG2,3
1Nanjing University of Information Science and Technology, China, 2Nanjing University of Information Science & Technology, China, 3Southern Marine Science and Engineering Guangdong Laboratory, China
OS17-A015 Analyzing the Roles of Barotropic Tides, Bottom Boundary Layer Parameterization, and Canyon Topography on Modulating Shelf Circulation in the East China Sea Larry GULLIVER1#+, Jay SHRIVER2
1Naval Research Laboratory, United States, 2Naval Research Laboratory, Stennis Space Center, Mississippi, United States
OS17-A014 Analysis of A Permanent Downwelling Zone in the East China Sea Using Hybrid Coordinate Ocean Model (HYCOM) Larry GULLIVER1#+, Zhitao YU2, Jay SHRIVER3, E. Joseph METZGER4
1Naval Research Laboratory, United States, 2NOAA Fisheries, United States, 3Naval Research Laboratory, Stennis Space Center, Mississippi, United States, 4Naval Research Laboratory (retired), United States
OS17-A018 Physical Controls on Upper-ocean Nutrient Flux and Primary Production Associated with Kuroshio Path Variability Off Southern Japan Yusuke UCHIYAMA1#+, Gaku NAMAZUE1, Xu ZHANG2, Eiji MASUNAGA3
1Kobe University, Japan, 2Peking University, China, 3Ibaraki University, Japan
OS17-A016 Long-term Statistical Analysis of North Pacific Mesoscale Eddies Based on High-resolution Satellite Altimetry Data Takumi KUSHITANI#+, Yusuke UCHIYAMA
Kobe University, Japan
OS17-A017 High‑resolution Modeling of the Bottom‑layer Response to Winter Low‑pressure Passages Off the Joban Coast Kosuke MURAKAMI#+, Yusuke UCHIYAMA, Moeto WATANABE
Kobe University, Japan
OS17-A021 Effects of Wind Forcing Resolution on Extreme Wind Representation and Wave Simulations Under Tropical and Extratropical Cyclones Imee Bren VILLALBA1,2#+, Mitchell Dean HARLEY1, Ashish SHARMA3
1University of New South Wales, Australia, 2University of the Philippines Diliman, Philippines, 3UNSW Sydney, Australia
OS17-A023 Eelgrass Propagule Dispersal Across the Kurushima Strait: a Geiyo Islands Study Using Double‑nested Roms and Lagrangian Tracking Taisuke SHINYU1#+, Yusuke UCHIYAMA2, Misa KAGIMOTO2, Gaku NAMAZUE2, Taichi KOSAKO3
1Department of Civil Engineering. Kobe University, Kobe, Japan, Japan, 2Kobe University, Japan, 3Port and Airport Research Institute, Japan
OS17-A024 Depth Dependence of Coral Bleaching Risk Based on Thermal‑stress Assessment Yuma MIYAMOTO#+, Yusuke UCHIYAMA, Gaku NAMAZUE
Kobe University, Japan
OS17-A025 Three-Ocean Influences on Southeastern Pacific MHWs under Super El Niño Conditions Qian CAO1+, Changming DONG1,2#, Xinyu GUO3, Yulong YAO4
1Nanjing University of Information Science & Technology, China, 2Southern Marine Science and Engineering Guangdong Laboratory, China, 3Ehime University, Japan, 4South China Sea Institute of Oceanology, Chinese Academy of Sciences, China
OS17-A029 Iron Supply Pathways to the Iron-limited Oyashio Region: Contributions from the Kuroshio-oyashio Transition Zone Revealed by Numerical Simulations Kazuhiro MISUMI1#+, Takaki TSUBONO2
1Central Research Institute of Electric Power Industry, Japan, 2CRIEPI, Japan
OS17-A039 Tidal Simulations Using a Horizontal Resolution of 100 M for the Seto Inland Sea SHIYING LIN1#+, Xinyu GUO2
1Graduate School of Science and Engineering, Ehime University, Japan, China, 2Ehime University, Japan
OS17-A031 Numerical Modelling of the Ob–Yenisei River Plume Using the NEMO Framework Avelina AKHTIAMOVA#+, Roman SEDAKOV, Alexander OSADCHIEV
Moscow Institute of Physics and Technology, Russian Federation
OS17-A041 Influence of Yellow Sea Bottom Cold Water on the Interannual Variability of Surface Cold Patches in the Southwestern Sea of Korea Jimyeong SEO1+, Seung-Buhm WOO2#, Chaewook LIM3, Minwoo PARK2
1Inha Universiry, Korea, South, 2Inha University, Korea, South, 3Inha Univ., Korea, South
OS17-A032 Alternate Rotating Layered Circulation in Response to Extrinsic and Intrinsic Forcing in the Japan Sea JUNLU LI#+
Sun Yat-sen University, China
OS17-A040 Stochastic Fault Modeling, Ptha, and Ml-based Prediction for Tsunami Hazard in the Marmara Sea Lunpu TIAN+, Tomoya KURIHARA, Tatsuhiko TOKUTA, Taro ARIKAWA#
Chuo University, Japan
OS17-A042 Assessment of Long-term Changes in Wave Climate Over the Northwestern Pacific (1979–2024) Jae-Hyeon SO#+, Jung-A YANG
Konkuk University, Korea, South
OS17-A044 Operational Application of an Atmosphere–ocean–wave Coupled Forecasting System Over the Northwestern Pacific Seonghoo LEE1#+, youngmin PARK2, Youjung OH3, jimin PARK4, HeungBae CHOI5
1Geosystem Reseach Corp., Korea, South, 2GeoSR, Korea, South, 3Geosystem Reseach Corp, Korea, South, 4GEOSYSTEM RESEARCH, Korea, South, 5GeoSystem Research Corporation, Korea, South
OS17-A043 Validation and Application of PorousWaveFoam for Solitary Wave Interaction with Coastal Structures YOONSEO LEE1+, SUNGJO KIM1, JUNYOUNG KIM2, Seungoh LEE1#
1Hongik University, Korea, South, 2Graduate School of Engineering, Hongik University, Korea, South

OS18 Oceanic Big Data and Artificial Intelligence Oceanography
Abstract ID Abstract Title Authors
OS18-A002 A Novel Deep Learning Framework for Hourly Sea Surface Temperature Reconstruction Using Geostationary Satellite Data Jungho IM#+, Sihun JUNG
Ulsan National Institute of Science and Technology, Korea, South
OS18-A004 Cloud-free Sea Surface Temperature Reconstruction from Multi-satellite Observations by Deep Learning Mengjiao WANG+, Haoyu WANG, Xiaofeng LI#
Chinese Academy of Sciences, China
OS18-A003 AI-Driven Global Sea Surface Salinity Retrieval from Ocean Color So-Hyun KIM1+, Sihun JUNG1, Eunna JANG2, Jungho IM1#, Iseul KOO1
1Ulsan National Institute of Science and Technology, Korea, South, 2Korea Institute of Ocean Science & Technology, Korea, South
OS18-A020 Regional Differences in Satellite-based Nutrient Estimation Between the Inner and Outer Seto Inland Sea Using Machine Learning Gandhi NAPITUPULU1#+, Han Soo LEE1, Jae-Soon JEONG2, Vinayak BHANAGE1, Morhaf ALJBER1, Yuji SAKUNO3, Nobuhito MORI4
1Hiroshima University, Japan, 2Center for the Planetary Health and Innovation Science (PHIS), The IDEC Institute, Hiroshima University, 1-5-1 Kagamiyama, Higashi-Hiroshima, 739-8529, Hiroshima, Japan, Japan, 3Graduate School of Advanced Science and Engineering, Hiroshima University, Higashi-Hiroshima, 739-8527, Hiroshima, Japan, Japan, 4Kyoto University, Japan
OS18-A005 Pattern Analysis and Machine Learning of Chesapeake Bay Plume Dynamics Jian SHEN#+
Virginia Institute of Marine Science, United States
OS18-A007 Underwater object detection using Mechanical Scanning Sonar Ji-wan HA1, Woen-Sug CHOI2#, Min-jung KIM3+
1Department of Convergence Study on the Ocean Science and Technology, Korea Maritime and Ocean University, Busan, Korea, Korea, South, 2Korea Maritime and Ocean University, Korea, South, 3Department of Ocean Engineering, Korea, South
OS18-A008 Satellite Lidar-coupled Deep Learning for Inverting Polar Marine Biogeochemical Parameters and Quantifying Antarctic Winter Phytoplankton Net Primary Production Trends Zhenhua ZHANG#+, Peng CHEN
Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), China
OS18-A017 Interannual Variability of Surface in the Mixed Water Region of the Northwest Pacific Ryo SASAKI1#+, Toshio SUGA1,2, Shusaku SUGIMOTO1
1Tohoku University, Japan, 2JAMSTEC, Japan
OS18-A018 Development of Gridded Gk2a Sea Surface Temperature Data and Ai-based Time-series Prediction Experiments Jihye AHN+, Yangwon LEE#
Pukyong National University, Korea, South
OS18-A010 Intelligent Storm-surge Forecasting Along the Southeastern Coast of China Using a ViT–U-Net Hybrid Network with Explainability Verification Lei HAN1+, Changming DONG2,3#, Yusuke UCHIYAMA4, Yuli LIU2, Xingru FENG5, Weijun ZHU1, Hongchun ZHANG2
1Nanjing University of Infomation Science & Technology, China, 2Nanjing University of Information Science & Technology, China, 3Southern Marine Science and Engineering Guangdong Laboratory, China, 4Kobe University, Japan, 5Chinese Academy of Sciences, China
OS18-A021 Ai-based Typhoon Wave Forecast for Coastal Areas of Jiangsu Province xiushuo DAI1#+, Xiangyu SHEN1, Changming DONG1,2
1Nanjing University of Information Science & Technology, China, 2Southern Marine Science and Engineering Guangdong Laboratory, China
OS18-A014 A Vit-unet Spatial Downscaling Method for High-resolution Wind Field Reconstruction Jingyuan XUE1#+, Changming DONG1,2
1Nanjing University of Information Science & Technology, China, 2Southern Marine Science and Engineering Guangdong Laboratory, China
OS18-A015 Hybrid U-vit for 3d Reconstruction of Oceanic Temperature Fields from Satellite Observations Shichao WANG1#+, Changming DONG2,3
1Nanjing University of Information Science and Technology,NUIST, China, 2Nanjing University of Information Science & Technology, China, 3Southern Marine Science and Engineering Guangdong Laboratory, China

OS22 Oceanic Submesoscale Processes and Their Dynamical and Biogeochemical Impacts
Abstract ID Abstract Title Authors
OS22-A001 Does a Change in Stratification Affect the Global Characteristics of Geostrophic Turbulence in the Surface Mixed Layer? Takaya UCHIDA1#+, Dmitry V SEIN2, Olga ZOLINA3,4, William CABOS5
1Moscow Institute of Physics and Technology, Russian Federation, 2Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany, 3Shirshov Institute of Oceanology of the Russian Academy of Sciences (IO RAS), Russian Federation, 4Université Grenoble Alpes, France, 5University of Alcala de Henares, Spain
OS22-A004 Contrasting Submesoscale Mechanisms of Island Mass Effect Across Kuroshio-influenced Island and Atoll Systems Wen- Yao CHEN#+, Po-Chun HSU
Center for Space and Remote Sensing Research, National Central University, Taiwan
OS22-A005 A Global Assessment of Eddy-wave Interactions in the Oceanic Forward Energy Cascade Lingxing DAI+, Lixin QU#
Shanghai Jiao Tong University, China
OS22-A007 Subsurface Anticyclonic Eddies in the Eastern South Pacific Ocean Imaged by Seismic Oceanography Method Haibin SONG#+, Kun ZHANG, Peiwen NIAN, Xinwei LI
Tongji University, China
OS22-A010 Multi-stage Development within Anisotropy Insight of an Anticyclone Eddy in Northwestern South China Sea in 2021 Dongxiao WANG#+, Chunhua QIU
Sun Yat-sen University, China
OS22-A015 Spatiotemporal Variations of Mixed Layer Instability Intensity in the World Ocean Estimated Using Argo Float Observations Hideharu SASAKI#+
Japan Agency for Marine-Earth Science and Technology, Japan
OS22-A016 Current Feedback Is Promoting Subduction at Submesoscale Front While Killing Eddies Takeyoshi NAGAI1#+, Tomoki UEDA2, Yuki IKEDA3, Gloria Silvana DURAN GOMEZ1, Itsuka YABE4
1Tokyo University of Marine Science and Technology, Japan, 2Mitsui Ocean Development & Engineering Company, Japan, 3Tokyo University of Marine Science and Technology, Japan, Japan, 4 Tokyo University of Marine Science and Technology, Japan, Japan
OS22-A017 Subsurface Submesoscale Coherent Structures in the Upstream Kuroshio Gloria Silvana DURAN GOMEZ#+, Takeyoshi NAGAI
Tokyo University of Marine Science and Technology, Japan
OS22-A019 Mixing Induced Nutrient Supply in the Kuroshio on the Sloping Bottom Boundary in the Okinawa Trough Jiaxue GAO#+, Takeyoshi NAGAI
Tokyo University of Marine Science and Technology, Japan
OS22-A020 Seasonal Variability of Upwelling-favorable Winds and Mixed Layer Depth Controls Nutrient Bioavailability and Phytoplankton Growth at Submesoscale in Eastern Boundary Upwelling Systems Diego OTERO#+, Takeyoshi NAGAI
Tokyo University of Marine Science and Technology, Japan

OS24 Circulations and Upwellings in the Indian Ocean: Physical, Biogeochemical, and Ecological Aspects
Abstract ID Abstract Title Authors
OS24-A011 Intraseasonal Variability of Mixed Rossby–Gravity Waves in the Deep Tropical Indian Ocean: Insights from PIES Observations (2019–2024) Hyung Jun MIN+, Hanna NA#, Sunghyun NAM, Eunsun LEE, Panini DASGUPTA
Seoul National University, Korea, South
OS24-A003 Oceanic Biophysical Response to Large-scale Wind Forcing Observed Southwest of Sumatra Takanori HORII1#+, Iwao UEKI1, Kelvin RICHARDS2, Qoosaku MOTEKI1, Kentaro ANDO1, Kazuhiko MATSUMOTO3
1Japan Agency for Marine-Earth Science and Technology, Japan, 2University of Hawaii at Manoa, United States, 3Japan Agency for Marine-Earth Science and Technology, Japan , Japan
OS24-A004 Subsurface Ocean Conditions During Marine Heatwave Events in Southwest Sumatra Hanani ADIWIRA1#+, Sayaka YASUNAKA2, Anindya WIRASATRIYA3, Toshio SUGA2,4
1WPI-AIMEC, Tohoku University, Japan, 2Tohoku University, Japan, 3Faculty of Fisheries and Marine Science, Indonesia, 4JAMSTEC, Japan
OS24-A006 Heat Content Anomaly Distribution and Its Generation Process in the Southeastern Tropical Indian Ocean During the Global Warming Hiatus Period Yukio MASUMOTO#+, Hiroki IWASA
The University of Tokyo, Japan
OS24-A009 Comparison of Upper-ocean Temperature and Salinity in the Seychelles-Chagos Thermocline Ridge Observed in June 2023 and 2024 Jeongwook PARK1+, Hanna NA2#, Sunghyun NAM2
11School of Earth and Environmental Sciences, Seoul National University, Korea, South, 2Seoul National University, Korea, South
OS24-A008 Hydrological Properties in the eastern and western sides of Sumatra: from the OASE–OceanX Cruise 2024 Agus Saleh ATMADIPOERA1#+, Indra JAYA1, Faisal HAMZAH2, Adi PURWANDANA2, Rina ZURAIDA3, Amanda DOMPEIPEN1, Janet SPRINTALL4, Vincent PIERIBONE5
1IPB University, Indonesia, 2Research Center for Oceanography BRINI, Indonesia, 3Research Center for Climate and Atmosphere BRINI, Indonesia, 4Scrippt Institution of Oceanography, UCSD USA, United States, 5OceanXplorer, United States
OS24-A013 Retreat of the Bay of Bengal Summer Monsoon Lin LIU#+
First Institute of Oceanography, Ministry of Natural Resources, China

OS26 From Biology to Clouds: Biogeochemical Processes at the Air–sea Boundary
Abstract ID Abstract Title Authors
OS26-A001 Marine Microbes as the Biological Nexus Between Ocean and Atmosphere Francesca MALFATTI#+
University of Trieste, Italy
OS26-A002 Ice-nucleating Bacteria in the Sea Surface Microlayer and Selective Aerosolization in the Western North Pacific Koji HAMASAKI1#+, Shu-Kuan WONG2, Yutaka OKAMOTO1, Yoko MAKABE-KOBAYASHI1, Eriko KAMIYA-KITAGAWA1, Youta SUGAI1, Yoko IWAMOTO3
1Atmosphere and Ocean Research Institute, The University of Tokyo, Japan, 2Arctic Environment Research Center, National Institute of Polar Research, Japan, 3Hiroshima University, Japan
OS26-A004 Vertical Distribution of Iron Concentrations in the Subarctic and Subtropical Western North Pacific: Variability on Daily to Weekly Timescales Jun NISHIOKA1#+, Minako KURISU2, Aiko MURAYAMA1, Hajime OBATA2, Ichiro YASUDA3
1Pan-Okhotsk Research Center, Institute of Low Temperature Science, Hokkaido University, Japan, 2The University of Tokyo, Japan, 3ATMOSPHERE AND OCEAN RESEARCH INSTITUTE, THE UNIVERSITY OF TOKYO, Japan
OS26-A007 Online Chemical Analysis of Marine Aerosols Over the Northwestern Pacific Ocean by Particle Mass Spectrometry Yuya KOBAYASHI1#+, Takuma MIYAKAWA1, Fumikazu TAKETANI1, Takeshi KINASE1, Hisahiro TAKASHIMA2, Kyohei ASANO3, Yugo KANAYA1
1Japan Agency for Marine-Earth Science and Technology, Japan, 2Fukuoka University, Japan, 3Hokkaido University, Japan
OS26-A008 Origins and Formation Process of Atmospheric Organic Aerosol in the Southern Sea of Okhotsk During the Phytoplankton Bloom in Spring Zhengyang FANG1+, ERI TACHIBANA2, Yuzo MIYAZAKI3#
1Graduate School of Environmental Science, Hokkaido University, Japan, 2Institute of Low Temperature Science, Hokkaido University, Japan, 3Hokkaido University, Japan
OS26-A005 The Biogenic Sulfur Cycle in the Coupled Ocean-Sea ice-Atmosphere System Sakiko ISHINO#+
Kanazawa University, Japan
OS26-A006 Fe Bioavailability in the Surface Pacific Ocean as Revealed by Photochemical Reactivity Yoshiko KONDO1#+, Koki YAMANAKA2, Haruki IWATA3, Yudai SUNAHARA2, Jun NISHIOKA4, Hajime OBATA5
1Nagasaki University, Japan, 2Graduate School of Fisheries and Environmental Sciences, Nagasaki University, Japan, 3Faculty of Fisheries, Nagasaki University, Japan, 4Pan-Okhotsk Research Center, Institute of Low Temperature Science, Hokkaido University, Japan, 5The University of Tokyo, Japan
OS26-A009 Sea Foam as a Natural Concentrator of Marine Organics: Implications for CCN and INP Activity Yoko IWAMOTO1#+, Guanyu SHANG1, Ayumi IWATA2, Shu-Kuan WONG3, Yoko MAKABE-KOBAYASHI4, Yutaka OKAMOTO4, Yumiko OBAYASHI5, Toshio SEKIGUCHI6, Koji HAMASAKI4
1Hiroshima University, Japan, 2Meteorological Research Institute, Japan Meteorological Agency, Japan, 3Arctic Environment Research Center, National Institute of Polar Research, Japan, 4Atmosphere and Ocean Research Institute, The University of Tokyo, Japan, 5Ehime University, Japan, 6Kanazawa University, Japan
OS26-A010 Fast-growing Phytoplankton Influence Atmospheric Ice Nucleation and Cloud Properties Sarah BROOKS#+, Daniel THORNTON, Roya SAFA, Dorothy GRIMMER
Texas A&M University, United States
OS26-A011 Seasonal Changes in Iron Sources to the Surface Ocean in the Subarctic Western North Pacific Revealed by Iron Isotopes Minako KURISU1#+, Jun NISHIOKA2, Koji SUGIE3, Aiko MURAYAMA2, Hajime OBATA1
1The University of Tokyo, Japan, 2Pan-Okhotsk Research Center, Institute of Low Temperature Science, Hokkaido University, Japan, 3Japan Agency for Marin-Earth Science and Technology, Japan
OS26-A013 Characterization of Ice-nucleating Particle Concentrations Over the Western North Pacific in Summer Ayumi IWATA1#+, Ayano MATSUMOTO2, Yoko IWAMOTO3, Kohei ONO4, Mizuo KAJINO1, Yumiko OBAYASHI5, Koji HAMASAKI6, Atsushi MATSUKI2
1Meteorological Research Institute, Japan Meteorological Agency, Japan, 2Kanazawa University, Japan, 3Hiroshima University, Japan, 4Research Institute of Environment, Agriculture and Fisheries, Osaka Prefecture, Japan, 5Ehime University, Japan, 6Atmosphere and Ocean Research Institute, The University of Tokyo, Japan
OS26-A012 Variations in the Biological and Chemical Properties of the Sea Surface Microlayer in the Subtropical and Subarctic Western North Pacific Yumiko OBAYASHI1#+, Yutaka OKAMOTO2, Youta SUGAI2, Taketoshi KODAMA3, Mitsuhide SATO4, Koji HAMASAKI2
1Ehime University, Japan, 2Atmosphere and Ocean Research Institute, The University of Tokyo, Japan, 3Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan, 4Nagasaki University, Japan

OS27 Observing and Modelling the Complex Changes in the Southern Ocean and Antarctica
Abstract ID Abstract Title Authors
OS27-A009 Observations of Ice-ocean Interaction at Totten Glacier, East Antarctica Daisuke HIRANO1#+, Kohei MIZOBATA2, Yoshihiko OHASHI3, Ryosuke MAKABE1, Masakazu FUJII1, Kay I. OHSHIMA4, Kazuya ONO5, Keishi SHIMADA1, Takeshi TAMURA1, Kazuya KUSAHARA6, Shigeru AOKI7, Yutaka WATANABE7
1National Institute of Polar Research, Japan, 2Tokyo University of Marine Science and Technology, Japan, 3Civil Engineering Research Institute for Cold Region, Japan, 4Pan-Okhotsk Research Center, Institute of Low Temperature Science, Hokkaido University, Japan, 5Institute of Low Temperature Science, Hokkaido University, Japan, 6Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Japan, 7Hokkaido University, Japan
OS27-A003 Response of Antarctic Coastal Ocean-cryosphere to the Regional Air Temperature Perturbations Kazuya KUSAHARA#+
Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Japan
OS27-A004 Magnetic Susceptibility and Grain Size Characteristics of Magnetic Minerals Extracted from Scotia Sea Sediments Haeun YOO1+, Eunji BYUN1#, Sunghan KIM2
1Yonsei University, Korea, South, 2Korea Polar Research Institute, Korea, South
OS27-A010 Direct Observations of Ocean Heat Transport Toward the Totten Ice Shelf in East Antarctica Yoshihiko OHASHI1#+, Daisuke HIRANO2, Kohei MIZOBATA3, Kazuya KUSAHARA4, Kazuki NAKATA5, Kazuya ONO6, Masakazu FUJII2, Ryosuke MAKABE2, Kay I. OHSHIMA7, Takeshi TAMURA2, Yutaka WATANABE8, Shigeru AOKI8
1Civil Engineering Research Institute for Cold Region, Japan, 2National Institute of Polar Research, Japan, 3Tokyo University of Marine Science and Technology, Japan, 4Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Japan, 5Japan Aerospace Exploration Agency, Japan, 6Institute of Low Temperature Science, Hokkaido University, Japan, 7Pan-Okhotsk Research Center, Institute of Low Temperature Science, Hokkaido University, Japan, 8Hokkaido University, Japan
OS27-A014 Air–ice Drag Control of Antarctic Dense Shelf Water Formation in a Coarse-resolution Model Junghee YUN+, Hajoon SONG#
Yonsei University, Korea, South
OS27-A015 Antarctic Coastal Polynya Ice Production During the Extreme Sea-ice Minimum of 2023–2024 Sohey NIHASHI1#+, Kay I. OHSHIMA2, Takeshi TAMURA3
1National Institute of Technology, Tomakomai College, Japan, 2Pan-Okhotsk Research Center, Institute of Low Temperature Science, Hokkaido University, Japan, 3National Institute of Polar Research, Japan
OS27-A016 Extreme Landfast Sea-ice Melting Events in Lützow–holm Bay Triggered by Winter Breakup and Amplified by Ice–albedo Feedback Tsubasa KODAIRA1#+, Takuji WASEDA2, Masato ITO1, Daisuke SHIMIZU3, Ryota TAI1, Daiki OKAMOTO1, Kohei MIKAMI1
1the University of Tokyo, Japan, 2The University of Tokyo, Japan, 3National Institute of Polar Reserach, Japan
OS27-A017 Atmosphere-ocean Interactions Influencing West Antarctic Sea Ice Variability Emilia Kyung JIN1#+, Bo-Seoung LEE1, Hyun-Ju LEE2
1Korea Polar Research Institute, Korea, South, 2Seoul National University, Korea, South

OS28 Marine Heatwaves and Impacts
Abstract ID Abstract Title Authors
OS28-A015 Assessing the Sensitivity Attributes of Portunidae to Climate Change in the Waters Off Taiwan Kuo-Wei LAN#+
National Taiwan Ocean University, Taiwan
OS28-A001 Climate-driven Marine Heatwaves in the Northwestern Pacific Thi-Kieu-Diem NGUYEN#+, Po-Chun HSU
Center for Space and Remote Sensing Research, National Central University, Taiwan
OS28-A016 Revealing Enhanced Signals of Future Marine Heatwave Changes in the East/Japan Sea Through a High-resolution Dynamical Downscaling Ensemble Seokgeun OH+, Kyung-Geun LIM, Yu-Kyeong KANG, Seok-Woo SON, Yang Ki CHO#
Seoul National University, Korea, South
OS28-A019 Marine Heatwaves Around Japan Over the Past Four Decades: Links to Interannual-to-decadal Variability of Sea Surface Temperature Yusuke USHIJIMA1#+, Kei SAKAMOTO2, Koji YAGI3, Yuma KAWAKAMI4, Hiroki TOGAWA5, Haruka SASAKI5, Yoshikazu FUKUDA5
1Center for Marine Environmental Study, PIAS, Ehime University, Japan, 2Kyoto University, Japan, 3 Japan Meteorological Agency, Japan, 4Meteorological Research Institute, Japan, 5Japan Meteorological Agency, Japan
OS28-A003 Seasonal and Interannual Variability of the Western Pacific Warm Pool and Its Implications for Marine Heatwaves Yun-An YEN1#+, Po-Chun HSU2
1National Central University, Taiwan, 2Center for Space and Remote Sensing Research, National Central University, Taiwan
OS28-A005 Suppression of Marine Heatwave Activity by Tropical Cyclone-induced Upper Ocean Cooling Iam-Fei PUN1#+, I-I LIN2, Chun-Chieh WU2
1National Central University, Taiwan, 2National Taiwan University, Taiwan
OS28-A006 Characteristics and Mechanisms of Subsurface Marine Heatwaves in the Western Tropical Pacific Ocean Shihan LI1+, Shijian HU2#, Yun QIU3
1Third Institute of Oceanography, Ministry of Natural Resources P.R.C., China, 2Hohai University, China, 3Third Institute of Oceanography, Ministry of Natural Resources, China
OS28-A022 Topographic Amplification of Northward Intrusion of Kuroshio Extension as a Driver of Extreme Marine Heatwaves Off Tohoku (2023–2024) Toru MIYAMA#+
Japan Agency for Marine-Earth Science and Technology, Japan
OS28-A018 Marine Heatwave Characteristics in Southeast Asia from High-Resolution CMIP6 Models Venkatasai GULAKARAM#+, Dhrubajyoti SAMANTA, Kyle MORGAN
Nanyang Technological University, Singapore
OS28-A011 Marine Heatwave 2016 Generation and Drivers in Southeastern Indian Ocean Ratu Almira KISMAWARDHANI1#+, Toshio SUGA2,3
1Department of Geophysics, Graduate School of Science, Tohoku University, Japan, 2Tohoku University, Japan, 3JAMSTEC, Japan
OS28-A008 Impact of a North Atlantic Marine Heatwave on Record-breaking Rainfall in Scotland, October 2023 Atsuyoshi MANDA1#+, Hisashi NAKAMURA2,3, Masami NONAKA3, Satoshi IIZUKA4
1Mie University, Japan, 2University of Tokyo, Japan, 3Japan Agency for Marine-Earth Science and Technology, Japan, 4National Research Institute for Earth Science and Disaster Resilience, Japan
OS28-A009 Marine Heatwaves In The Philippines: Characteristics, Drivers, And Monitoring Applications Stephen LUCES1#+, Charina Lyn REPOLLO2
1University of the Philippines - Marine Science Institute, Philippines, 2University of the Philippines Diliman, Philippines
OS28-A023 Explore Global Upper Ocean Marine Heatwave Climatology in Coupled GFDL Models Xinru LI#+
Tohoku University, Japan
OS28-A014 Marine Heatwaves in the Philippines: Implications to Select Coral Reefs in the West Philippine Sea Charina Lyn REPOLLO1#+, Rachel FRANCISCO-BARCE2, Rhea Mae LUCIANO3, Lowell Jay TUPAZ4, Marie Vanessa BARIA-RODRIGUEZ5
1University of the Philippines Diliman, Philippines, 2Physical Oceanography and Observation Laboratory, Marine Science Institute, University of the Philippines in Diliman, Philippines, 3Marine Science Institute, University of the Philippines in Diliman, Philippines, 4Marine Science Institute, University of the Philippines in Diliman, Philippines, Philippines, 5Marine Science Institute, University of the Philippines in Diliman, Philippines, Philippines, Philippines

OS38 Ocean Mixing and Internal Wave
Abstract ID Abstract Title Authors
OS38-A001 Enhanced Vertical Mixing And Turbulent Exchange By Mesoscale Eddies Over The Continental Slope In The Northwestern Sea Of Japan Dmitrii STEPANOV1#+, Yusuke KAWAGUCHI2
1V.I. Il'ichev Pacific Oceanological Institute, Russian Academy of Sciences, Russian Federation, 2Kitami Institute of Technology, Japan
OS38-A002 A Mechanistic Framework for Predicting Cold-water Events in Nanwan Bay Yu-Hsin CHENG#+
National Taiwan Ocean University, Taiwan
OS38-A004 A General Relationship Between the Baroclinic Internal Tidal and Wave Energy and the Surface to Bottom Temperature Difference Over the Continental Shelf Robin ROBERTSON#+
Xiamen University Malaysia, Malaysia
OS38-A006 Satellite-observed Internal Solitary Wave Variability and Stratification Controls in the Lombok Strait Chonnaniyah CHONNANIYAH1,2#+, Takahiro OSAWA1
1Yamaguchi University, Japan, 2Institute of Science and Technology Nahdlatul Ulama Bali (ISTNUBA), Indonesia
OS38-A007 Modulation of Diurnal and Semi-diurnal Internal Tides by Mesoscale Eddies and Background Currents in the Philippine Sea Kang-Nyeong LEE1, Jae-Hun PARK1#+, Chanhyung JEON2, Hong Sik MIN3, Yang WANG4, Enrique CURCHITSER5, Xiao-Hua ZHU6, Chuanzheng ZHANG6, Zhongxiang ZHAO7
1Inha University, Korea, South, 2Pusan National University, Korea, South, 3Korea Institute of Ocean Science & Technology, Korea, South, 4University of Hamburg, Germany, 5Rutgers University, United States, 6Second Institute of Oceanography, China, 7Applied Physics Laboratory, University of Washington, United States
OS38-A009 Interannual Variability of Deep Cycle Turbulence in the Equatorial Pacific Rintaro NAKANO1#+, Tomoki TOZUKA1, Ryuichiro INOUE2
1The University of Tokyo, Japan, 2Japan Agency for Marine-Earth Science and Technology, Japan
OS38-A010 Wind-Induced Mixing And Heat Supply In The Coastal Zone Of The Sea Of Japan For Anomaly Heat Summer 2025 Pavel SALYUK1#+, Dmitrii STEPANOV2, Nadegda LIPINSKAIA1, Igor STEPOCHKIN1, Maxim GORBOV1, Alexandr NALETOV1
1V.I.Il’ichev Pacific Oceanological Institute, Far Eastern Branch, Russian Academy of Sciences, Russian Federation, 2V.I. Il'ichev Pacific Oceanological Institute, Russian Academy of Sciences, Russian Federation
OS38-A012 Exploring a New Parameterization for Abyssal Tide-induced Near-field Mixing Toshiyuki HIBIYA1,2#+, Yuki TANAKA3
1Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Japan, 2The University of Tokyo, Japan, 3Tokyo University of Marine Science and Technology, Japan
OS38-A011 Equatorial Kelvin Waves Exert Remote Control on Marginal Sea Internal Solitary Waves and Internal Tides Yunchao YANG1#+, Xiaodong HUANG1, Chun ZHOU1, Jingsong GUO2, Chalermrat SANGMANEE3, Siwei HUANG4, Zhiwei ZHANG1, Jiwei TIAN1, Wei ZHAO1
1Ocean University of China, China, 2Ministry of Natural Resources, China, 3Phuket Marine Biological Center, Thailand, 4Sanya Oceanographic Institution, Ocean University of China, China
OS38-A013 Sensitivity Experiments of Tidal Mixing Parameterization Using a Global Eddying Ocean Model Hideharu SASAKI1#+, Hideyuki NAKANO2
1Japan Agency for Marine-Earth Science and Technology, Japan, 2Meteorological Research Institute, Japan
OS38-A016 Internal waves in a two-way nested ocean model coupled with surface waves Jie YU1#+, Joseph D'ADDEZIO1, Erick ROGERS1, Maarten BUIJSMAN2
1US Naval Research Laboratory, United States, 2University of Southern Mississippi , United States
OS38-A020 Satellite-derived Insights Into the Semidiurnal Internal Tide Beams in the Philippine Sea Peiwen ZHANG#+, Zhenhua XU, Jia YOU
Chinese Academy of Sciences, China

OS40 The Changing (sub)arctic Ocean: Mechanisms and Impacts
Abstract ID Abstract Title Authors
OS40-A002 Spreading of the Ob-Yenisei Plume Under Sea Ice in the Kara Sea: Forecasting Sea Ice Clearance Conditions in the Vilkitsky Strait Polina ADAMOVSKAYA#+, Alexander OSADCHIEV
Moscow Institute of Physics and Technology, Russian Federation
OS40-A001 The Keldysh Current in the Kara Sea Alexander OSADCHIEV#+, Zinaida ZABUDKINA
Moscow Institute of Physics and Technology, Russian Federation
OS40-A004 Freshwater Transport, Interaction of River Plumes and Sea Ice Formation in Flaw Polynyas: Drivers of Interannual Variability of Winter Stratification in the Laptev Sea Aleksandr LEKHNOVICH#+, Alexander OSADCHIEV
Moscow Institute of Physics and Technology, Russian Federation
OS40-A015 Forecasting of freeze-up in the Eurasian Arctic based on thermodynamic modelling and novel sea surface salinity data Maksim LIPATOV#+, Alexander OSADCHIEV
Moscow Institute of Physics and Technology, Russian Federation
OS40-A005 Deep Learning Based Automatic Contour Extraction for Arctic Ice-covered Marine Environments Dongmin HAN+, Sunho PARK#, Seunghyun HA, Seoyeon AHN, Rahui KIM
Korea Maritime & Ocean University, Korea, South
OS40-A008 Two- and Three-layered Stratification of Sea Surface Layer Formed by Interaction of River Plumes and Meltwater in the Arctic Shelf Seas Elena BAZHENOVA1,2#+, Alexander OSADCHIEV1, Alexander SAVIN1
1Moscow Institute of Physics and Technology, Russian Federation, 2Shirshov Institute of Oceanology, Moscow, Russian Federation
OS40-A006 Interaction of the Siberian Coastal Current and Pacific Waters in the Chukchi Sea During Ice-free Season Tatiana MERKULOVA#+, Alexander OSADCHIEV
Moscow Institute of Physics and Technology, Russian Federation
OS40-A011 Improving Sea Ice Freeze Detection Algorithm by Preventing Ice Contamination in Ocean Parameter Retrieval Jongmin KIM1#+, Seung Hee KIM1, Emmanuel DINNAT2, Menas KAFATOS1
1Chapman University, United States, 2NASA Goddard Space Flight Center, United States
OS40-A012 Sequential Role of Thermal and Haline Forcing in AMOC Recovery Yujin KIM+, Hajoon SONG#, Hyo-Jeong KIM
Yonsei University, Korea, South
OS40-A007 Arctic Sea Ice Prediction and Analysis Using an Ocean Sea Ice Wave Coupled Model Yun Ji SONG1+, Ki-Hwan KIM2, Seung-Buhm WOO1#, Jong Wook KIM1
1Inha University, Korea, South, 2University of Massachusetts - Dartmouth, United States
OS40-A010 Ob-yenisei and Lena Plumes: Wind-driven Dynamics and Variability Alexander SAVIN#+, Alexander OSADCHIEV
Moscow Institute of Physics and Technology, Russian Federation

OS41 Marine Environmental Changes in the Western Pacific and Its Marginal Seas: Roles of Global Climate Change Versus Anthropogenetic Impacts
Abstract ID Abstract Title Authors
OS41-A001 Salinity-driven Turnover of Pico-sized Chlorophytes Across Freshwater–marine Interfaces Using Dual-platform 18s Rrna Gene Metabarcoding Kuo-Ping CHIANG#+
National Taiwan Ocean University, Taiwan
OS41-A002 Seasonal Contrasts in Primary Production of Phytoplankton and Benthic Macroalgae in a Subtropical Coastal Blue Carbon Ecosystem Tzong-Yueh CHEN#+
National Taiwan Ocean University, Taiwan
OS41-A003 Rainfall Intensification Under Warming Enhances Wet Nutrient Deposition and New Primary Production in the Western North Pacific Chin-Chang HUNG1#+, Vicente ABEDNEKO1, Yung-Yen SHIH2
1National Sun Yat-sen University, Taiwan, 2Republic of China Naval Academy, Taiwan
OS41-A004 Unifying Organic and Inorganic Carbon Cycling: a Stoichiometric Framework for Predicting pCO2 Dynamics in Seagrass Ecosystems Wen-Chen CHOU1#+, Mariche NATIVIDAD1,2, Wei-Jun CAI3
1National Taiwan Ocean University, Taiwan, 2Ecosystems Research and Development Bureau, Philippines, 3University of Delaware, United States
OS41-A005 El Niño-Like Tendency Of Northwestern Tropical Surface Ocean Circulation Pattern During 21st Century Under The Worst-Case CO2 Emission Scenario In CMIP5/CMIP6 Tzu-Ling CHIANG1+, Yi-Chia HSIN1#, Chau-Ron WU2
1Academia Sinica, Taiwan, 2National Taiwan Normal University, Taiwan
OS41-A010 Subsurface Water Hypoxia and Acidification Under Eutrophic Large River Plumes Wei-Jun CAI1#+, Zongpei JIANG2, Bin WANG3, Xianghui GUO4
1University of Delaware, United States, 2Zhejiang University, China, 3Ministry of Natural Resources, China, 4Xiamen University, China
OS41-A012 Weather-driven Decoupling of Organic and Inorganic Carbon Cycling in an Indo-pacific Seagrass Meadow Mariche NATIVIDAD1,2+, Chin-Chang HUNG3, Tse-Min LEE3, Vicente ABEDNEKO3, Jian-Jhih CHEN4, Hsin-Yu CHOU1, Wen-Chen CHOU1#
1National Taiwan Ocean University, Taiwan, 2Ecosystems Research and Development Bureau, Philippines, 3National Sun Yat-sen University, Taiwan, 4National Kaohsiung University of Science and Technology, Taiwan
OS41-A013 Lateral Transport in the Forecast of Carbon Sequestration Rate Near Taiwan by AI Guan-Yu CHEN#+, Chin-Chang HUNG
National Sun Yat-sen University, Taiwan
OS41-A015 Spatial and Temporal Distribution of Heavy Metals in Coastal Sediments of the Sanriku Region After the Tsunami Lusyana .1,2#+, Shigeyoshi OTOSAKA1, Naoko Murakami SUGIHARA3, Kaoruko MIZUKAWA4, Kotaro SHIRAI5, Hideki MINAMI6, Toshihiro MIYAJIMA7, Hideki FUKUDA1, Hiroshi OGAWA7, Hajime OBATA7
1Atmosphere and Ocean Research Institute, The University of Tokyo, Japan, 2Research Center for Oceanology, National Research and Innovation Agency, Indonesia, 3Marine Ecology Research Institute, Japan, 4Department of Environmental Science on Biosphere, Tokyo University of Agriculture and Technology, Japan, Japan, 5Atmosphere and Ocean Research Institute, The University of Tokyo, Japan, Japan, 6School of Biological Sciences, Tokai University, Japan, 7The University of Tokyo, Japan
OS41-A014 Warming Impedes Zooplankton Recovery from an Effluent-driven Ph Decrease in a Tropical Coastal Ecosystem for Three Decades Yu-Jia LIN#+
Graduate Institute of Marine Affairs, National Sun Yat-sen University, Taiwan
OS41-A019 Linking Diurnal and Vertical Variability of Microbial Communities and Gene Expression to the Microbial Carbon Pump in the Subtropical Kuroshio Current Chih-Ching CHUNG1#+, Ya-Fan CHAN2, Gwo-Ching GONG3, Chong-Heng YE2
1Institute of Marine Environment and Ecology, National Taiwan Ocean University, Taiwan, 2Department of Microbiology, Soochow University, Taiwan, 3National Taiwan Ocean University, Taiwan
OS41-A023 Intermittent Amplification and Damping of Diurnal-inertial Oscillations Near the Diurnal Critical Latitude: Observations from Ieodo Ocean Research Station and Surface Drifters Jungmin KIM1+, Haejin KIM2, Kwang-Young JEONG3, Sunghyun NAM1#
1Seoul National University, Korea, South, 2Korea Hydrographic and Oceanographic Agency (KHOA), Korea, South, 3Korea Hydrographic and Oceanographic Agency, Korea, South
OS41-A021 Dynamics of Water Masses and Nutrients in a Day on a Continental Shelf, Quantified Using Rare Earth Elements Michael Julian HARYANTO1+, Jing ZHANG1#, Xinyu GUO2, Takahiro ENDO3, Naoki YOSHIE2, Keiji HORIKAWA1, Takeshi MATSUNO4
1University of Toyama, Japan, 2Ehime University, Japan, 3Research Institute for Applied Mechanics, Japan, 4Kyushu University, Japan
OS41-A022 Transient Weakening and Long-term Recovery of the Japan Sea Winter Deep Convection under Idealized Global Warming Yusuke AMAYA#+, Hidetaka KOBAYASHI, Tsubasa NAITO, Jing ZHANG
University of Toyama, Japan
OS41-A024 Water-mass Exchange Around the Bungo Channel Revealed by Short-lived Radium Isotopes Zaskia ALIFIA#+, Jing ZHANG, Michael Julian HARYANTO, Shimpei OTSUKA
University of Toyama, Japan
OS41-A025 Integrated Real-time Habitat Forecasting and Fleet Behavior Modeling for Purse Seine Fisheries in the Western and Central Pacific Ocean Tung-Yao HSU1+, Hsing-Han WU2, Yi CHANG2,1#
1Marine Science Oriented Ocean Technology Implementation Center, National Sun Yat-sen University, Taiwan, 2Graduate Institute of Marine Affairs, National Sun Yat-sen University Kaohsiung, Taiwan
OS41-A028 Long-term Wintertime Changes in Seawater Properties and Nutrient Dynamics at the Ulleung Basin Shelf Break, East/japan Sea (1995–2022) Sihyeong KIM+, Sunghyun NAM#
Seoul National University, Korea, South
OS41-A026 Linear Trends in the M2 Tide in a Semi-enclosed Basin (Ariake Sea, Japan) Connected to the East China Sea: Role of Resonant Amplification and Energy Dissipation Eisuke TSUTSUMI1#+, Takeshi MATSUNO2, Sachihiko ITOH3
1Kagoshima University, Japan, 2Kyushu University, Japan, 3The University of Tokyo, Japan
OS41-A027 Dynamic Reorganization of Source-to-sink Systems in Western Pacific Marginal Seas Under Climate Transitions: Evidence from Marine Sediment Records in the Northern Taiwan Strait Ting Ting CHEN1#+, Rick YANG2,3, Pai‑Sen YU4, James LIU3
1National Institutes of Applied Research Taiwan Ocean Research Institute, Taiwan, 2National Academy of Marine Research, Taiwan, 3National Sun Yat-sen University, Taiwan, 4National Institutes of Applied Research Taiwan Ocean Research Institute, Taiwan, Taiwan

OS43 Physical Modeling and High-fidelity Numerical Simulation for Ocean Science Applications: from Scaled Experiments to Real-world Predictions
Abstract ID Abstract Title Authors
OS43-A001 Wave Energy Potential Estimation in the vicinity of Japan by Coupled Regional Climate and Wave Modeling Taiga WATANABE1#+, Manuel SOTO CALVO1, Han Soo LEE2
1hiroshima university, Japan, 2Hiroshima University, Japan
OS43-A004 Solitary Wave Interaction with a Vertical Cylinder Over a Viscous Mud Bed: CFD, Laboratory Experiments, and Shallow-water Modeling Peter Hong-Yueh LO#+, Wan-Ching YANG, Hsin-Yi WANG
National Taiwan University, Taiwan
OS43-A002 Underwater Acoustic Propagation Modeling with an Elastic Seabed Won-Ki KIM1#+, Eunpyo LIM2, Yeongseok LEE2, Jaehwan OH2, Dawoon LEE3, Ho Seuk BAE3
1Chungbuk National University, Korea, South, 2Sekwang co. Ltd., Korea, South, 3Agency for Defense Development, Korea, South
OS43-A019 Effects of Gap Geometry and Installation Angle on Permeability Characteristics of Flap-gate Tatsumi HARADA1+, Tomoki SHIRAI1, Kaito HIDANO2, Fumiaki KAKIZUKA2, kyoichi NAKAYASU2, Taro ARIKAWA1#
1Chuo University, Japan, 2Kanadevia Corporation, Japan
OS43-A014 Spatial Visualization and Assessment of Wave Energy in Taiwan: the Northeastern Coast and Taichung as Case Studies Tzu-Yi HUNG1, Chen-Wei HUANG1, Ming-Hung CHENG2#+
1National Taiwan Ocean University, Taiwan, 2National Academy of Marine Research, Taiwan
OS43-A005 Decadal Evolution of the Qigu Sandbar and Its Impacts on Storm-surge Inundation in Southwest Taiwan ChunHan LO1+, Wei-Shiun LU2, Han-Lun WU3, Shih-Chun HSIAO3#, Nai-Kuang WU4
1Department of Hydraulic and Ocean Engineering, National Cheng Kung University, Taiwan, 2 Tainan Hydraulics Laboratory, Taiwan, 3National Cheng Kung University, Taiwan, 4Water Resources Planning Branch, Water Resources Agency, Ministry of Economic Affairs, Taiwan
OS43-A006 Estimating Drag and Inertia Coefficients in Solitary Wave–vegetation Interaction: from Laboratory Experiments to Nonhydrostatic Modeling Yu-Cheng CHANG+, Yun-Ta WU#
National Cheng Kung University, Taiwan
OS43-A007 Scenario-based Assessment of Mangrove Thinning Effects on Flood Water Levels: a Case Study of the Yanshui River Estuary, Taiwan Yu-Cheng CHANG+, Yun-Ta WU#, Hsiao-Wen WANG
National Cheng Kung University, Taiwan
OS43-A008 Numerical Assessment of Thermal Insulation Performance in Cryogenic Liquid Hydrogen Storage Tanks Seoyeon AHN+, Dongmin HAN, Rahui KIM, Sunho PARK#
Korea Maritime & Ocean University, Korea, South
OS43-A012 Using Machine Learning to Estimate Wave Runup on Seawalls in Southwestern Taiwan Han-Lun WU1#+, Yen-Lung CHEN1, Yun-Ta WU1, Hsiu-Wen TSO1, Wei-Bo CHEN2, Wen-Hsiao TSENG3, Chin-Chih HSIEH3, Chun-Yuan LIN4, Shih-Chun HSIAO1
1National Cheng Kung University, Taiwan, 2National Science and Technology Center for Disaster Reduction, Taiwan, 3The 6th River Management Branch, Water Resources Agency, Taiwan, 4Center of Excellence for Ocean Engineering, National Taiwan Ocean University, Taiwan
OS43-A022 GNSS-IR Geodetic Network for Sea Level Monitoring in Macau HOU LAM WONG#+, Huabin SHI
University of Macau, Macau
OS43-A013 Scaling Analysis of Radially Spreading Gravity Currents Under Sustained Injection Yu Lin HUANG#+
Tamkang University, Taiwan
OS43-A015 Surge-tide Interaction Along the Western Coast of Taiwan: Case Studies of Typhoons Soudelor and Dujuan in 2015 Yu-Lin TSAI1#+, Tso-Ren WU2, Philip Li-Fan LIU3
1National Yang Ming Chiao Tung University, Taiwan, 2National Central University, Taiwan, 3Texas A&M University, United States
OS43-A016 Physical Experiments and Wave-resolving Numerical Modeling of Harbor Oscillations Under Typhoon-induced Swells on the Eastern Coast of Taiwan Shih-Feng SU#+, Chia-Hsuan SHE, I-An CHEN, Chen-Hsun WEI, Wen-Kai WENG
National Taiwan Ocean University, Taiwan
OS43-A017 Numerical Modelling of Meteotsunami Waves in Taiwan’s Coastal Water: the Combined Effects of Forward Speed and Angle of a Weather System Yu-Chien CHENG#+, Chih-Chieh YOUNG
National Taiwan Ocean University, Taiwan
OS43-A018 High-fidelity Numerical Investigation of Surge–tide Interaction Along Western Taiwan Using Data-driven Asymmetric Typhoon Wind Forcing Tso-Ren WU#+, Cheng-Hao YEH, Che-Han CHANG
National Central University, Taiwan
OS43-A020 Experimental And Numerical Analysis Of The Stability Of Gabions As Armoring Units For Composite Breakwater Mounds Kuya MASUDA1+, Ichiro MATSUMURA2, Toru AOTA2, Shigeru SAKAMOTO3, Takeharu KONAMI4, Hideto OKIDO4, Kiyotsugu URAI5, Yota ENOMOTO1, Taro ARIKAWA1#
1Chuo University, Japan, 2Fudo Tetra Corporation, Japan, 3Koiwa Kanaami Corporation, Japan, 4Okasan Livic Corporation, Japan, 5Towaron Corporation, Japan
OS43-A021 A Study on Reproducing Debris Motion Experiments Using STOC-DM Jiayu FENG+, Yota ENOMOTO, Taro ARIKAWA#
Chuo University, Japan
OS43-A024 Multi-sensor Navigation for Unmanned Surface Vehicles in Gnss-degraded Environments Kuan-Hung CHOU#+, Chung-Yen KUO
National Cheng Kung University, Taiwan
OS43-A025 Application of Artificial Intelligence Techniques in Reservoir Carbon Emission Modeling WEN-PING TSAI+, CHI YU WU#
National Cheng Kung University, Taiwan

OS46 Multiscale Dynamical Processes in the Ocean and Their Biogeochemical Impacts
Abstract ID Abstract Title Authors
OS46-A003 Global Patterns of Eddy-Associated Subsurface Oxygen Anomalies Jie JI+, Dujuan KANG#, Yuntao ZHOU
Shanghai Jiao Tong University, China
OS46-A008 Comparison of Zooplankton Communities and “Seamount effect” in Three Seamounts in the Western Pacific Ocean Zhencheng TAO#+
Institute of Oceanology, Chinese Academy of Sciences, China
OS46-A005 The Impact Mechanisms of Waves on the Response of the Upper Ocean to Super Typhoon Xuri ZHANG1+, Feng PAN2, Shaojing GUO1, Xueming ZHU2#
1School of marine sciences, Sun Yat-sen University, China, 2Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), China
OS46-A007 Decadal variability of simulated phytoplankton and nitrate distributions over the North Pacific Ocean Yoshikazu SASAI#+, Eko SISWANTO, Hideharu SASAKI
Japan Agency for Marine-Earth Science and Technology, Japan
OS46-A011P The Ecological Impact Mechanism of the Taiwan Warm Current and the Zhemin Coastal Current on the Construction of the Nanji-beiji Archipelago National Park of China Degang WANG#+
Second Institute of Oceanography, Ministry of Natural Resources, China

OS48 Advancing Ocean Hazard Preparedness Through Science, Systems, and Society for Disaster Reduction Risk
Abstract ID Abstract Title Authors
OS48-A003 Advances in Tsunami Forecasting Method Using Various Observation Data Yuichiro TANIOKA#+, Rinda Nita RATNASARI, Yota ATOBE, Takashi KAWAMURA
Hokkaido University, Japan
OS48-A004 Performance Analysis of Super-resolution Deep Learning Method for Tsunami Inundation Estimation Using Multiple Input Features Sesar Prabu Dwi SRIYANTO1#+, Bruno ADRIANO1, Erick MAS1, Shunichi KOSHIMURA1,2
1Tohoku University, Japan, 2RTi-cast, Inc., Japan
OS48-A005 The Evaluation of Indonesian Tsunami Dissemination System, Response, and Multi-stakeholder Engagement Through Tsunami Simulation of the Iowave25 Suci Dewi ANUGRAH1,2#+, Nelly Florida RIAMA3, Melani PUTRI4, GLORIA SIMANGUNSONG4
1The Agency for Meteorology, Climatology, and Geophysics, Indonesia, 2Bandung Institute of Technology, Indonesia, 3Indonesian Agency for Meteorology, Climatology and Geophysics, Indonesia, 4BMKG, Indonesia
OS48-A007 Challenges of Preserving the 2004 Indian Ocean Tsunami Memorial Monuments in Aceh and Disaster Education After 20 Years Later Megumi SUGIMOTO1,2#+, Adil NASROL3, Mulyo Harris PRADONO4, Hirokazu IEMURA5
1The University of Osaka, Japan, 2The University of Osaka, Japan, 3BMKG, Indonesia, 4BRIN, Indonesia, 5Kyoto University, Japan
OS48-A009 Tsunami Early Warning System Based On In-Situ Pressure Observation Network: Theory and Experiment Kensuke NAKAJIMA#+
Kyushu University, Japan
OS48-A008 Development of an Integrated Smart Marine Buoy System for Autonomous Life-saving and Microplastic Remediation in Coastal Environments Dongseob SONG#+
Kangwon National University, Korea, South
OS48-A011 Development of Digital Twin-based Decision Support System for Integrated Coastal Erosion Management Dongseob SONG1#+, In-Ho KIM2, Jinah KIM3, SEONGJOON HONG4
1Kangwon National University, Korea, South, 2The Kangwon National University, Korea, South, 3Korea Institute of Ocean Science, Korea, South, 4Haeyeon Technology Co., Ltd., Korea, South
OS48-A010 Effect of Virtual Reality Based Tsunami Evacuation Training on Route Selection Behavior Rena NAITO#+, Taro ARIKAWA
Chuo University, Japan
OS48-A016 Ocean-bottom Seismology: Next-generation Technology Solutions for Marine Monitoring Tai Hung TAN1#+, Izumi IWAOKA2
1Nanometrics Inc, Singapore, 2Nanometrics Inc, Canada

OS49 Advances In Oceanic Data Assimilation Methodologies, Forecasting And Reanalysis
Abstract ID Abstract Title Authors
OS49-A006 Predictability of Kuroshio Axis Using Inception Based Unet Deep Learning Model Kalpesh PATIL#+, Toru MIYAMA, Yasumasa MIYAZAWA, Alessandro DAMIANI
Japan Agency for Marine-Earth Science and Technology, Japan
OS49-A003 Machine Learning-based Covariance Correction for Ensemble Kalman Filter with Small Ensemble Size ZHOU YAO1, ZHILIN LI1, GUANGYAO WANG2#+
1University of Macau, China, 2University of Macau, Macau
OS49-A004 An Intercomparison of Eddy-resolving Ocean Reanalyses in the Western North Pacific Nobumasa KOMORI1#+, Norihiko SUGIMOTO1, Kent KUMETA1, Hiona MORI1, Yoshiaki MIYAMOTO1, Naoki HIROSE2
1Keio University, Japan, 2Kyushu University, Japan
OS49-A008 Deep Learning for Efficient Data Assimilation and Forecast Correction Youmin TANG1#, Xinyue LI2+
1Hohai University, China, 2Hohai university, China
OS49-A010 Algorithm Enhancement and Quality Improvement for Sea Surface Temperature Estimation for the Northwestern Pacific Su-Young KIM#+, Kwangjin KIM, Dong Gwan LEE, HeungBae CHOI
GeoSystem Research Corporation, Korea, South

OS50 General and Multidisciplinary Oceanography
Abstract ID Abstract Title Authors
OS50-A001 Provenance and Geochemical Characteristics of Core Sediments from the Southwestern Offshore Region of Taiwan: Implications for Sediment Sources and Tectonic Setting Yung-Tan LEE1,2#+
1Geological Society in Taipei, Taiwan, 2Aletheia University, Taiwan
OS50-A004 Improving Target Detection and Doppler Peak Localization of Linear-arrayed High-frequency Coastal Radar Using Norm-constrained Capon Method Zhen-Xiong YOU1#+, Huan-Meng CHANG2, Hwa CHIEN2, Cheng-Da LEE3, Li-Hung TSAI3
1China Medical University, Taiwan, 2National Central University, Taiwan, 3Transportation Technology Research Center, Institute of Transportation, Ministry of Transportation and Communications, Taiwan
OS50-A006 Observations of Turbulent Shear Stress and Sediment Transport at a Tidal Water Inlet within a Reef System YiRu LAN1#+, Zhi-Cheng HUANG1, Arthur Tzyy-Hsuang PERNG2
1National Central University, Taiwan, 2Sinotech Engineering Consultants, Taiwan
OS50-A026 Breakdown of Transport Barriers in Laboratory Fluid Flows Sergey PRANTS#+
Pacific Oceanological Institute, Russian Federation
OS50-A003 Sediment Transport and Depositional Hydrodynamics on the Eastern Korean Continental Margin Revealed by Surface Sediment Granulometry Gyutae SIM1#+, Jangjun BAHK1, Haedo BAEK1, Jun-Ho JANG2, In Kwon UM3, Dong Eun LEE1
1Chungnam National University, Korea, South, 2Chungnam National University, Korea, South, Korea, South, 3Korea Institute of Geoscience and Mineral Resources, Korea, South
OS50-A012 Mesoscale Eddy-induced Kuroshio Path Variations in the Luzon Strait Chung-Ru HO1#+, Yu-Hao TSENG1, Quanan ZHENG2
1National Taiwan Ocean University, Taiwan, 2University of Maryland, United States
OS50-A016 Seafloor Landslide Detection and Submarine Cable Seismometer Relocation Using Ship Noise During the 2018 Hualien Earthquake Foreshock–mainshock Sequence Yi-Chin LIN+, Jing-Yi LIN#, Shu-Kun HSU, Ching-Hui TSAI
National Central University, Taiwan
OS50-A013 Geological and Social Analysis of Beach Erosion at Imazu-Nagahama Coast, Fukuoka: Shoreline Change and Local Perspectives Tokiya IWATA1#+, Satoquo SEINO2, Kazuhiro KOMAGO3
1QFC-SP, Kyushu University / Fukuoka International School, Japan, 2Kyushu University, Japan, 3Ecological Engineering Laboratory, Department of Civil Engineering, Graduate School of Engineering, Kyushu University, Japan
OS50-A021 Rapid Ensemble Generation of Sea Surface Temperature for Climate Projection Using Common Eof-based Deep Learning Downscaling Donghyuk KIM1+, Hajoon SONG1#, Yujin KIM1, Yeji CHOI2
1Yonsei University, Korea, South, 2Climate Intelligence Lab, DI Lab Inc., Korea, South
OS50-A008 A Dynamical Model of the Tropical Pacific Zonal SST Gradient Change Under Global Warming Jun YING1#, Masahiro WATANABE2+
1Second Institute of Oceanography, Ministry of Natural Resources, China, 2The University of Tokyo, Japan
OS50-A028 Influence of Surface Waves on Turbulence and Chaotic Dynamics in Current Flow Pankaj Kumar RAUSHAN1#+, Bellie SIVAKUMAR2, Koustuv DEBNATH3
1IIT Bombay, India, 2Indian Institute of Technology Bombay, India, 3Indian Institute of Engineering Science and Technology, Shibpur, India
OS50-A010 Water-mass-driven Variability in Organic Carbon Consumption in the Southern East China Sea Chung-Chi CHEN1#+, Fuh-Kwo SHIAH2
1National Taiwan Normal University, Taiwan, 2Academia Sinica, Taiwan
OS50-A029 Experimental Geophysical Fluid Dynamics Platform—an Introduction to the Large Rotating Platform Operated at Nuist Changming DONG1,2#+, Yuli LIU1, Yinfan LIN1, Liang YU1, Huijun REN1, Yiding HU1, Yindi WANG1, MEIJING ZHU3
1Nanjing University of Information Science & Technology, China, 2Southern Marine Science and Engineering Guangdong Laboratory, China, 3Nanjing University of Information Science and Technology, China
OS50-A030 Structure of a Circulation Flow Near the Sidewall in an Axisymmetric Flow in a Cylindrical Container Filled with Water Over Rapidly Rotating Disk at the Bottom Keita IGA#+
The University of Tokyo, Japan
OS50-A014 Centennial Record of Anthropogenic Organic Enrichment and Benthic Foraminiferal Response in Semi-enclosed Gamak Bay, South Korea Daun JEONG1#+, Dong Geun YOO2, Gwangsoo LEE2, Seok-Hwi HONG3
1Marine Geology Research Center, Korea Institute of Geoscience and Mineral Resources (KIGAM), Korea, South, 2Korea Institute of Geoscience and Mineral Resources, Korea, South, 3KIGAM, Korea, South
OS50-A015 Stratigraphic Organization and Depositional History of Plio–Quaternary Deposits on the Korea Strait Shelf, SE Korea Dong Geun YOO1#+, Gwangsoo LEE1, Seok-Hwi HONG2, Daun JEONG3
1Korea Institute of Geoscience and Mineral Resources, Korea, South, 2KIGAM, Korea, South, 3Marine Geology Research Center, Korea Institute of Geoscience and Mineral Resources (KIGAM), Korea, South
OS50-A020 Stratigraphic Characteristics and Development of Incised Paleo-channels on the Southern Continental Shelf of the Korean Peninsula Gwangsoo LEE#+, Dong Geun YOO
Korea Institute of Geoscience and Mineral Resources, Korea, South
OS50-A023 Optimization of Pretreatment Protocol for Strontium-90 Analysis in Marine Fish Bone Samples Hirofumi TAZOE#+
Hirosaki University, Japan
OS50-A025 Seafloor Flare Variability in a Back-arc and Post-collisional Setting: Insights from Northern Taiwan Yen-Chi WU1, Tzu-Ting CHEN2#+, Ho-Han HSU3, Cheng-chun CHUNG2
1National Taiwan University, Taiwan, 2Institute of Oceanography, National Taiwan University, Taiwan, Taiwan, 3Institute of Oceanography, National Taiwan University, Taiwan