HE007
Large-scale changes in the Arctic and Subarctic - Processes and Impacts

Session ID#: 259476

Session Description:
Major changes in Arctic Ocean surface temperature, sea ice, heat and freshwater distribution, and ocean circulation are ongoing and may have regional or global forcing responses, and climatic and economic implications. Phenomena such as Atlantification and Pacification highlight the importance of both regional processes and the connections to the rest of the world’s oceans. These shifts drive profound changes within the Arctic and beyond. Examples include fundamental changes in water-mass transformation and overturning in the Nordic Seas and Arctic Ocean, and in the chemical and biological systems that show long-term trends with impacts for ocean CO2 uptake and marine industries.

We invite contributions that address long-term trends, shifts, and transitions at regional to pan-Arctic scales, with particular focus on the Subarctic-Arctic connection. Interdisciplinary studies of the atmosphere-sea ice-ocean system, chemical processes, and the ecosystem are welcome, as well as studies focusing on individual aspects that contribute to understanding the large-scale picture. As the session is process-oriented, both modelling and observational perspectives are appreciated. Studies that present novel approaches or measurement techniques are strongly encouraged to submit to this session.
Co-Sponsor(s):
  • Air-Sea Interactions -
  • Climate and Ocean Change -
  • High Latitude Environments -
Index Terms:

4207 Arctic and Antarctic oceanography [OCEANOGRAPHY: GENERAL]
4512 Currents [OCEANOGRAPHY: PHYSICAL]
4520 Eddies and mesoscale processes [OCEANOGRAPHY: PHYSICAL]
4532 General circulation [OCEANOGRAPHY: PHYSICAL]
Student/Early Career Chair:  Hannah Zanowski, University of Wisconsin-Madison, Department of Atmospheric and Oceanic Sciences, Madison, United States
Primary Chair:  Anna-Marie Strehl, University of Bergen, Bergen, Norway
Co-chairs:  Craig Lee, University of Washington, Applied Physics Laboratory, Seattle, United States, Benjamin Iolo Barton, University of Western Brittany, Laboratoire d'Océanographie Physique et Spatiale (LOPS), Plouzané, France; National Oceanography Center, Liverpool, United Kingdom and Prof. Ali Mashayek, PhD, University of Cambridge, Earth Sciences, Cambridge, United Kingdom
 
Arctic polynyas: Improved detection, Trends in observations, and CMIP6 representation (1850639)
Céline Heuzé1, Carmen Hau Man Wong1, Luisa Ickes2 and Lu Zhou3, (1)University of Gothenburg, Department of Earth Sciences, Gothenburg, Sweden, (2)Chalmers University of Technology, Department of Space, Earth and Environment, Gothenburg, Sweden, (3)Utrecht University, Institute for Marine and Atmospheric research Utrecht, Utrecht, Netherlands
 
Freshwater Buildup and Release in the Beaufort Gyre: Implications for Arctic Ocean Circulation (1858578)
Subrahmanyam Bulusu, University of South Carolina Columbia, Columbia, SC, United States
 
Interaction between Large River Plumes and Sea Ice in the Arctic Ocean (1863643)
Alexander Osadchiev1,2, Vladimir Rogozhin1,3, Alexander Savin2, Maksim Lipatov2, Ms. Polina Adamovskaya2 and Elena Bazhenova1,4, (1)Shirshov Institute of Oceanology, Moscow, Russia, (2)Moscow Institute of Physics and Technology, Moscow, Russia, (3)LMSU Marine Research Center, Moscow, Russia, (4)Lomonosov Moscow State University, Moscow, Russia
 
Spreading of the Ob-Yenisei plume below sea ice in the Kara Sea after spring flood and related onset of an ice-free season (1865259)
Ms. Polina Adamovskaya1, Alexander Osadchiev2 and Alexander Savin1, (1)Moscow Institute of Physics and Technology, Moscow, Russia, (2)Shirshov Institute of Oceanology, Moscow, Russia
 
Interannual and decadal variability of upper water properties in the Canada Basin of the Arctic Ocean and their impacts on sea ice (1915758)
Yuqing Zhou, Shanghai Jiao Tong University, School of Oceanography, Shanghai, China, Peigen Lin, Shanghai Jiao Tong University, School of Oceanography,, Shanghai, China, Yang Xiao-Yi, Xiamen University, Xiamen, China and Yu Yan, China University of Geosciences, Beijing, Beijing, China
 
Observed Changes in Arctic Freshwater and Sea Ice Export through Fram Strait over more than three Decades - 1992-2024. (1944885)
Laura de Steur1, Hiroshi Sumata2, Theodoris Karpouzoglou3, Dmitry Divine4, Svetlana Divina1, Hege Beate Fredriksen1, Jan IJzerman1, Harold Heorton5, Rebecca A Woodgate6 and Svein Østerhus7, (1)Norwegian Polar Institute, Tromsø, Norway, (2)The Norwegian Meteorological Institute, Tromsø, Norway, (3)Marine and Freshwater Research Institute, Hafnarfjörður, Iceland, (4)Norwegian Polar Institute, Tromso, Norway, (5)University College London, Geography, CPOM, London, United Kingdom, (6)Univ Washington, Seattle, United States, (7)NORCE, Bergen, Norway
 
Warmer Atlantic Water intrusion energizes the Arctic deep ocean (2006449)
Jiao Chen1,2, Xuezhu Wang3, Qiang Wang2, Xinyue Li2, Vasco Mueller2, Sergey Danilov2, Xidong Wang1 and Thomas Jung2,4, (1)Hohai University, College of Oceanography, Nanjing, China, (2)Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany, (3)Donghai Laboratory, Nanjing, China, (4)University of Bremen, Institute of Environmental Physics, Bremen, Germany
 
Nitrate distribution of Pacific Winter Water along the northern edge of Chukchi Sea (2006560)
Yanxin Wang, Shanghai Jiao Tong University, Shanghai, China, Peigen Lin, Shanghai Jiao Tong University, China and Robert S Pickart, Woods Hole Oceanographic Institution, Woods Hole, United States
 
Modelling the Feedbacks of Changing Freshwater Input in the North Atlantic Subpolar Gyre (2007804)
Ryan Patmore1, Bablu Sinha2, Brooke Snoll3, Helen Burns4 and Ruza F Ivanovic3, (1)National Oceanography Centre, Liverpool, United Kingdom, (2)National Oceanography Centre, Southampton, United Kingdom, (3)University of Leeds, School of Earth and Environment, Leeds, United Kingdom, (4)University of Leeds, Leeds, United Kingdom
 
Regional changes in Arctic sea ice inform prediction of future tipping points (2007818)
Mr. Clément Bertin, PhD, NASA Jet Propulsion Laboratory, Pasadena, United States, Charles E Miller, California Institute of Technology, Jet Propulsion Laboratory, Pasadena, United States, Dustin Carroll, Moss Landing Marine Laboratories, San José State University, Moss Landing, United States, Dimitris Menemenlis, San Jose State University, San Jose, United States, Marie Zahn, University of Washington Seattle Campus, Seattle, United States and Ou Wang, NASA Jet Propulsion Laboratory, Pasadena, CA, United States
 
Two- and three-layered stratification of sea surface layer formed by interaction of river plumes and meltwater in the Arctic shelf seas (2007874)
Elena Bazhenova1,2, Alexander Osadchiev2,3 and Alexander Savin3, (1)Lomonosov Moscow State University, Moscow, Russia, (2)Shirshov Institute of Oceanology, Moscow, Russia, (3)Moscow Institute of Physics and Technology, Moscow, Russia
 
Ob–Yenisei and Lena plumes: wind–driven dynamics and variability (2008363)
Alexander Savin1,2 and Alexander Osadchiev1,2, (1)Moscow Institute of Physics and Technology, Moscow, Russia, (2)Shirshov Institute of Oceanology, Moscow, Russia
 
Forecasting of Freeze-up in the Eurasian Arctic Based on Thermodynamic Modelling and Novel SeaSurface Salinity Data (2009571)
Maksim Lipatov, Moscow Institute of Physics and Technology, Moscow, Russia and Alexander Osadchiev, Shirshov Institute of Oceanology, Moscow, Russia
 
Diagnosing the Internal Variability of Arctic Sea Surface Temperature, Salinity, Stratification, and Transports in Historical CMIP6 (2009698)
Leo Balcer and Hannah Zanowski, University of Wisconsin-Madison, Department of Atmospheric and Oceanic Sciences, Madison, United States
 
Vorticity Balance and Structural Determination of the Oceanic Beaufort Gyre (2012234)
Rin Harada and Koji Shimada, Tokyo University of Marine Science and Technology, Tokyo, Japan
 
Turbulent Mixing and Water-Mass Exchange Across the Barents Sea Polar Front from Profiling Platforms with Microstructure Observations (2012783)
Conrad Luecke, Naval Research Laboratory, Stennis Space Center, United States, Ewa Jarosz, Naval Research Lab Stennis Space Center, Stennis Space Center, MS, United States, Hemantha W Wijesekera, Naval Research Laboratory, Ocean Sciences, Stennis Space Center, MS, United States and Edgar Gonzalez, University of Notre Dame, Notre Dame, IN, United States
 
Observed changes to Beaufort Gyre Circulation from the UCL CPOM Dynamic Topography dataset (2015196)
Harold Heorton, University College London, Geography, CPOM, London, United Kingdom
 
Oscillations in the properties of the CDOM maximum in polar waters provide an indication of changes in freshwater origins exported through Fram Strait (2015396)
Colin A Stedmon1, Paul Anthony Dodd2, Rafael Gonçalves-Araujo3, Laura de Steur2 and Mats A Granskog2, (1)Technical University of Denmark, National Institute of Aquatic Resources, Kgs. Lyngby, Denmark, (2)Norwegian Polar Institute, Tromsø, Norway, (3)Technical University of Denmark, National Institute of Aquatic Resources, Lyngby, Denmark
 
An Abrupt Shift in the Arctic Ocean Warming due to Increased Extremes (2016339)
Ruijian Gou, Laoshan National Laboratory, Qingdao, China, Yanni Wang, The Sino-Australian Research Consortium for Coastal Management, School of Science, UNSW Canberra, Canberra, ACT, Australia, Canberra, Australia, Gerrit Lohmann, Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research, Bremerhaven, Germany, Niklas Boers, Ecole Normale Supérieure Paris, Paris, France, Deliang Chen, Tsinghua University, Department of Earth System Science, Beijing, China, Xiaopei Lin, Ocean University of China, Qingdao, China, Xiao Hua Wang, UNSW Canberra, Canberra, Australia, Wenju Cai, Laoshan Laboratory, Qingdao, China, Jurgen Kurths, Potsdam Institute, Potsdam, Germany, Johan Rockström, Stockholm University, Stockholm Resilience Centre, Stockholm, Sweden, Stefan Rahmstorf, Potsdam Institute for Climate Impact Research, Potsdam, Germany, Jingfang Fan, Beijing Normal University, Beijing, China, Chao Li, University of California, Riverside, United States and Lixin Wu, Ocean University of China, Frontiers Science Center for Deep Ocean Multispheres and Earth System and Key Laboratory of Physical Oceanography, Qingdao, China
 
Spatial and Temporal variability of Stratification in the upper Arctic Ocean based on the WOD observations and CIGAR reanalysis (2017042)
Haohao Zhang1,2, Dr. Andrea Storto, PhD1, Xuezhi Bai2 and Chunxue Yang1, (1)CNR Institute for Marine Science, Rome, Italy, (2)Hohai University, College of Oceanography, Nanjing, China
 
Modeling analysis of snow depth on sea ice and snow meltwater on the pan-Arctic and multi-decadal scales (2017724)
Eiji Watanabe, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka, Japan, Yuanxin Zhang, Tohoku University, Sendai, Japan and Hotaek PARK, JAMSTEC, Yokosuka, Japan
 
Coupled models and reanalyses in the Barents and Kara seas (2017960)
Cecilia Äijälä1, Lucia Gutierrez-Loza2, Siv K Lauvset3, Wieslaw Maslowski4, Wolfgang Dorn5 and Petteri Uotila1, (1)INAR, University of Helsinki, Helsinki, Finland, (2)NORCE Research, Department of Climate and Environment, Bergen, Norway, (3)NORCE Research, Climate and Environment, Bjerknes Centre for Climate Research, Bergen, Norway, (4)Naval Postgraduate School, Monterey, CA, United States, (5)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Potsdam, Potsdam, Germany
 
Sea Ice Loss Drives a Tipping Point in Arctic Ocean Nitrogen Biogeochemistry (2018410)
Marta Santos Garcia1, Raja Ganeshram2, Laurent Oziel3, Paul Anthony Dodd4, Laura de Steur4, Robyn Tuerena5 and Colin A Stedmon6, (1)The University of Edinburgh, School of Geosciences, Edinburgh, United Kingdom, (2)University of Edinburgh, Edinburgh, United Kingdom, (3)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research, Bremerhaven, Germany, (4)Norwegian Polar Institute, Tromsø, Norway, (5)Scottish Association for Marine Science, Oban, United Kingdom, (6)Technical University of Denmark, National Institute of Aquatic Resources, Kongens Lyngby, Denmark
 
Toward Linking Variations in Sea Surface Salinity with Freshwater Content Using Satellite and In Situ Observations in the Arctic (2018419)
Chao Liu, UBO, CNRS, IRD, Ifremer, Laboratoire d’Oceanographie Physique et Spatiale (LOPS), Plouzane, France, Plouzané, France, Nicolas Kolodziejczyk, UBO, CNRS, IRD, Ifremer, Laboratoire d’Oceanographie Physique et Spatiale (LOPS), Plouzane, France, Plouzane, France and Camille Lique, Laboratoire de Physique des Océans, Ifremer, Brest, France
 
Processes driving variability of deep convection in the Nordic Seas from an ensemble of Earth system model historical simulations (2019266)
Milena Veneziani, Los Alamos National Laboratory, Los Alamos, NM, United States, Mark W Seefeldt, Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States and John J Cassano, Univ Colorado, Boulder, United States
 
Arctic Ocean-ice Interaction on Different Spatial Scales in a Warming World (2021551)
Qiang Wang, Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany
 
Transarctic acoustic transmissions during the Coordinated Arctic Acoustic Thermometry Experiment in 2019–2020 (2021798)
Matthew A Dzieciuch1, Hanne Sagen2, Peter F. Worcester3, Espen Storheim2, F Hunter Akins4, Stein Sandven2, John A. Colosi5, John N Kemp6 and Geir-Martin Leinebø7, (1)University of California San Diego, La Jolla, CA, United States, (2)Nansen Environmental and Remote Sensing Center, Bergen, Norway, (3)Univ of California San Diego, La Jolla, United States, (4)UCSD, La Jolla, United States, (5)Woods Hole Oceanographic Institution, Department of Applied Ocean Physics and Engineering, Woods Hole, United States, (6)Woods Hole Oceanographic Institution, MOE Group, Woods Hole, United States, (7)Norwegian Coast Guard, Sortland, Norway
 
Spatiotemporal variability of sea ice thickness in the Arctic marginal ice zone (2024096)
Doroteaciro Iovino and Francesco Cocetta, Fondazione Centro Euro-Mediterraneo sui Cambiamenti Climatici - CMCC, Bologna, Italy
 
Water Mass Transformation in the Arctic Ocean from Observationally Constrained Ocean State Estimates (2024313)
Rafael Sebastian Reiss and Prof. Ali Mashayek, PhD, University of Cambridge, Earth Sciences, Cambridge, United Kingdom
 
Stratification changes in the Beaufort Gyre Layer Cake (2024317)
Vedant Vairagi, Bangor University, School of Ocean Sciences, Menai Bridge, United Kingdom, Yueng Djern Lenn, Bangor University, Wales, School of Ocean Sciences, Menai Bridge, United Kingdom, Stephanie Waterman, University of British Columbia, Earth, Ocean and Atmospheric Sciences, Vancouver, BC, Canada and Marilena Oltmanns, Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany
 
The Northward Flowing East Greenland Current: Recent Observations of Persistent Reversed Flow at 79°N (2024608)
Rebecca McPherson1, Wilken-Jon von Appen2, Luise Becker1, Monica Ionita3, Thomas Krumpen1, Gunnar Spreen4 and Laura de Steur5, (1)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (2)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Physical Oceanography of the Polar Seas, Bremerhaven, Germany, (3)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research, Bremerhaven, Germany, (4)Norwegian Polar Institute, Tromsø, Norway, (5)Royal Netherlands Institute for Sea Research, Physical Oceanography, Den Burg, Netherlands
 
Detection and attribution of sea-level change in the Arctic (2025905)
Fabio Mangini1, Antonio Bonaduce2 and Roshin P. Raj2, (1)Nansen Environmental and Remote Sensing Center, Bergen, NORWAY, (2)Nansen Environmental and Remote Sensing Center, Bergen, Norway
 
48 thermohaline staircase layers in the Arctic Ocean's Canada Basin coherent and evolving across 17 years, 2005-2022 (2026125)
Mikhail Schee1, Erica Jamie Rosenblum1, Jonathan M Lilly2 and Nicolas Grisouard1, (1)University of Toronto, Physics, Toronto, ON, Canada, (2)Planetary Science Institute, Tucson, United States
 
Decades of Change: Warming Trends and Hydrographic Variability of Atlantic Water as observed in the West Spitsbergen Current (1997–2024) (2026136)
Wilken-Jon von Appen, Alfred Wegener Institute, Helmholtz-Centre for Polar and Marine Research, Bremerhaven, Germany, Rebecca McPherson, Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, Laura de Steur, Royal Netherlands Institute for Sea Research, Physical Oceanography, Den Burg, Netherlands, Torsten Kanzow, Alfred-Wegener-Institute, Bremerhaven, Germany, Agnieszka Beszczynska-Möller, Institute of Oceanology Polish Academy of Sciences, Department of Physical Oceanography, Sopot, Poland and Angelika Renner, Institute of Marine Research, Tromsø, Norway
 
On the seasonal evolution of melt ponds and effects on physical and biological properties of the upper Arctic Ocean (2027683)
Jaclyn L Clement Kinney1, Wieslaw Maslowski1, Younjoo J Lee2, Robert Osinski3, Anthony Craig2, Georgina Anne Gibson4, Mathew E Maltrud5 and Wilbert Weijer6, (1)Naval Postgraduate School, Monterey, CA, United States, (2)Naval Postgraduate School, Monterey, United States, (3)Institute of Oceanology Polish Academy of Sciences, Sopot, Poland, (4)International Arctic Research Center, Fairbanks, AK, United States, (5)Los Alamos National Laboratory, Los Alamos, United States, (6)Los Alamos National Laboratory, Los Alamos, NM, United States
 
Projected Surface Waves and Coastal Erosion in the Canadian Arctic Archipelago, Arctic and North Atlantic Oceans (2002-2100) (2028052)
Enrico Pochini, University of Alberta, Edmonton, AB, CANADA and Paul Glen Myers, University of Alberta, Department of Earth and Atmospheric Sciences, Edmonton, AB, Canada
 
Two Decades of Change in the Beaufort Gyre: Linking Wind Forcing and Sea Ice Decline to Freshwater and Heat Trends (2003–2024) (2028231)
Mary-Louise Timmermans1, Isabela Alexander-Astiz Le Bras2, Jeff K. O'Brien2, Annika Margevich3, Paul Macoun4, William James Williams4 and Sarah Zimmermann4, (1)Yale University, Department of Earth & Planetary Sciences, New Haven, United States, (2)Woods Hole Oceanographic Institution, Woods Hole, United States, (3)Yale University, Department of Earth and Planetary Sciences, New Haven, United States, (4)Fisheries and Oceans Canada, Institute of Ocean Sciences, Sidney, BC, Canada
 
Kara Sea freshened surface layer in 6 global ocean reanalyses. (2028574)
Roman Sedakov and Alexandra Gordey, Shirshov Institute of Oceanology, Moscow, Russia
 
Eddy Saturation of the Beaufort Gyre (2028800)
Maria Gheţa, Institut des Sciences de la Mer de Rimouski, Rimouski, QC, Canada, Louis-Philippe Nadeau, University of Quebec at Rimouski, Institut des sciences de la mer, Rimouski, QC, Canada and David Straub, McGill University, Department of Atmospheric and Oceanic Sciences, Montréal, QC, Canada
 
Time of Emergence of Arctic Ocean Properties and Volume Transports (2028891)
Hannah M Zanowski, University of Wisconsin Madison, Madison, WI, United States
 
Upper Arctic Ocean circulation and recent changes in the Transpolar Drift (2029220)
Benjamin Rabe1, Ke-Hsien Fu2, Jacob Allerholt3, Céline Heuzé4, Ying-Chih Fang5, Mario Hoppmann6, Oliver Huhn7, Boris P Koch8, Tao Li9, Ivan Kuznetsov10, Alejandra Quintanilla Zurita1, Yusuke Kawaguchi11,12, Sandra Tippenhauer1, Sinhue Torres Valdes13, Myriel Vredenborg1, Carmen Hau Man Wong4, Simran Suresh3, Madita Wrissenberg3 and Jialiang Zhu9, (1)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (2)National Academy of Marine Research, Kaohsiung, Taiwan, (3)Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung, Bremerhaven, Germany, (4)University of Gothenburg, Department of Earth Sciences, Gothenburg, Sweden, (5)National Sun Yat-sen University, Department of Oceanography, Kaohsiung, Taiwan, (6)Alfred-Wegener-Institute, Oldenburg, Germany, (7)University of Bremen, Institute of Environmental Physics, Bremen, Germany, (8)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Ecological Chemistry, Bremerhaven, Germany, (9)Ocean University of China, Qingdao, China, (10)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Climate Dynamics, Bremerhaven, Germany, (11)University of Tokyo, Tokyo, Japan, (12)Kitami Institute of Technology, Hokkaido, Japan, (13)Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung, Phytoplankton Ecophysiology, Bremerhaven, Germany
 
Estimating Ocean State in the Canada Basin Using Acoustic Tomography and In Situ Observations During the Coordinated Arctic Acoustic Thermometry Experiment in 2019–2020 (2029687)
F Hunter Akins, UCSD, La Jolla, United States, Matthew A Dzieciuch, University of California San Diego, La Jolla, CA, United States, Peter F. Worcester, Univ of California San Diego, La Jolla, United States, Bruce D Cornuelle, University of California San Diego, Scripps Institution of Oceanography, La Jolla, United States and Hanne Sagen, Nansen Environmental and Remote Sensing Center, Bergen, Norway
 
Has “Atlantification” arrived in the Beaufort Gyre? (2029863)
Marta M Faulkner1, Isabela Alexander-Astiz Le Bras1 and Michael A Spall2, (1)Woods Hole Oceanographic Institution, Woods Hole, United States, (2)WHOI, Woods Hole, United States
 
Mapping possible future erosion in the Bering Strait region, Alaska (2030559)
Alice K DuVivier1, Marika M Holland2, Irina Overeem3, Laura Landrum4 and Kristen M. Krumhardt4, (1)University Corporation for Atmospheric Research, Boulder, CO, United States, (2)Natl Ctr Atmospheric Research (NCAR), Boulder, United States, (3)University of Colorado, Department of Geological Sciences and Institute of Arctic and Alpine Research, Boulder, United States, (4)NCAR, Boulder, United States
 
Response of river plumes to wind forcing: regional contrasts between the Barents and East Siberian seas (2030704)
Vladimir Rogozhin1,2, Alexander Osadchiev1,3 and Alexander Savin3, (1)Shirshov Institute of Oceanology, Moscow, Russia, (2)LMSU Marine Research Center, Moscow, Russia, (3)Moscow Institute of Physics and Technology, Moscow, Russia
 
The Role of the North Pacific on Freshwater Content in the Arctic Ocean (2030843)
Tahya Weiss-Gibbons1, Clark William Pennelly2 and Paul Glen Myers2, (1)University of Alberta, Edmonton, AB, Canada, (2)University of Alberta, Department of Earth and Atmospheric Sciences, Edmonton, AB, Canada
 
Introduction to the Arctic Regional Simulation System (AReSS) under ArCS III (Arctic Challenge for Sustainability III) (2031720)
Takao Kawasaki, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Kanagawa, Japan, Yoshiki Komuro, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Institute of Arctic Climate and Environment Research, Yokohama, Japan, Jun Ono, NIPR National Institute of Polar Research, International Polar and Earth Environmental Research Center, Tachikawa, Japan and Masao Kurogi, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Yokohama, Japan
 
An updated observational record of Davis Strait ocean transports, 2004-2024 (2031837)
Jed E Lenetsky, University of Colorado Boulder, Boulder, United States, Craig Lee, University of Washington, Applied Physics Laboratory, Seattle, United States, Clark Richards, Fisheries and Oceans Canada, Halifax, NS, Canada, Kyla Drushka, University of Washington, Applied Physics Laboratory, Seattle, WA, United States and Alexandra Jahn, University of Colorado Boulder, Atmospheric and Oceanic Sciences and Institute of Arctic and Alpine Research (INSTAAR), Boulder, United States
 
Far-Reaching Effects of Reduction in Okhotsk Sea Ice Area on Sea-Surface Heat Flux, Lower Atmosphere, and Ocean Mixed Layer (2031857)
Tomohiro Nakamura, Hokkaido University, Institute of Low Temperature Science, PORC, Sapporo, Japan, Yusuke Takahashi, Hokkaido University, Graduate School of Environmental Science, Sapporo, Japan, Takuya Nakanowatari, Japan Fisheries Research and Education Agency, Fisheries Resources Institute, Kushiro, Japan and Humio Mitsudera, Institute of Low Temperature Science, Hokkaido University, Sapporo, Japan
 
Long-term oceanic change and monitoring in the Canadian Northwest Passage (2031888)
Clark Richards1, Shannon Nudds1, Kumiko Azetsu-Scott2 and Amanda Newhook1, (1)Bedford Institute of Oceanography, Dartmouth, NS, Canada, (2)Bedford Inst Oceanography, Dartmouth, NS, Canada
 
ESA ArcFresh: Unveiling Regional and Pan-Arctic Freshwater Changes (2033005)
Carsten Ankjær Ludwigsen1, Robert Ricker2, Nicolas Kolodziejczyk3, Laurent Bertino4, Stephen Howell5, Gustafson David6, Andreas Dobler7, Jan Wuite8, Emma Woolliams9, Ole Baltazar Andersen1, Anna Maria Trofaier10 and ArcFresh, (1)DTU Space, Lyngby, Denmark, (2)Norwegian Research Centre, Tromsø, Norway, (3)UBO, CNRS, IRD, Ifremer, Laboratoire d’Oceanographie Physique et Spatiale (LOPS), Plouzane, France, Plouzane, France, (4)Nansen Environmental and Remote Sensing Center, Bergen, Norway, (5)Environment and Climate Change Canada, Climate Reseach Division, Toronto, ON, Canada, (6)Swedish Meteorological and Hydrological Institute, Norrköping, Sweden, (7)Norwegian Meteorological Institute, Oslo, Norway, (8)ENVEO, Innsbruck, Austria, (9)NPL, London, United Kingdom, (10)ESA, Harwell, United Kingdom
 
Impact of Multi-Year Ice Loss on the Decadal Variability of Freshwater Amount in the Beaufort Gyre (2033532)
YenChen Chen1, Vigan Mensah2, Michiyo Yamamoto-Kawai3, William Williams4 and Kay I Ohshima2, (1)Graduate School of Environmental Science, Hokkaido University, Sapporo, Japan, (2)Institute of Low Temperature Science, Hokkaido University, Sapporo, Japan, (3)Tokyo University of Marine Science and Technology, Tokyo, Japan, (4)Fisheries and Oceans Canada, Institute of Ocean Sciences, BC, Canada
 
A multi-decadal (1991 to present) SAR analysis of sea ice types in the Atlantic sector of the Arctic Ocean (2034599)
Wenkai Guo1, Jack Landy1, Johannes Lohse2,3, Anthony P Doulgeris4, Malin Johansson3, Polona Itkin5, Torbjørn Eltoft3 and Shiming Xu6, (1)UiT – The Arctic University of Norway, Tromsø, Norway, (2)University of Tasmania, Hobart, Australia, (3)UiT the Arctic University of Norway, Tromso, Norway, (4)UiT The Arctic University of Norway, Department of Physics and Technology, Tromsø, Norway, (5)Norwegian Polar Institute, Tromsø, Norway, (6)Tsinghua University, Department of Earth System Science, Beijing, China
 
Seasonal and interannual variability in pH and dissolved oxygen concentration in the Atlantic Water inflow to the Arctic Ocean (2034834)
Anna Hollænder1,2, Elizabeth Jones1, Angelika Renner1, Colin A Stedmon3, Claire Mourgues1, Melissa Chierici1 and Oyvind Foss4, (1)Institute of Marine Research, Tromsø, Norway, (2)Technical University of Denmark, Aqua, Kgs Lyngby, Denmark, (3)Technical University of Denmark, National Institute of Aquatic Resources, Kongens Lyngby, Denmark, (4)Norwegian Polar Institute, Tromsø, Norway
 
The impact of rapid sea ice loss on the Arctic influence on freshwater export to the Sub Polar North Atlantic. (2035805)
Emma Boland1, Yavor Kostov1, Dani Jones2 and Daniel Lee Feltham3, (1)British Antarctic Survey, Cambridge, United Kingdom, (2)University of Michigan, Cooperative Institute for Great Lakes Research, Ann Arbor, United States, (3)University of Reading, Centre for Polar Observation and Modelling, Department of Meteorology, Reading, United Kingdom
 
Observed Variability and Forcing of the Norwegian Atlantic Current, 1995-2025 (2036077)
Oeystein Skagseth, Institute of Marine Research, Oceanography and Climate, Bergen, Norway
 
Volume, Heat and Freshwater Transports Through the Arctic Gateways From an Inverse Model During the Period 2004-2024 (2036378)
Hege-Beate Fredriksen1, Laura de Steur1, Rebecca McPherson2, Randi B. Ingvaldsen3, Sheldon Bacon4, Jed E Lenetsky5, Craig Lee6 and Rebecca A Woodgate7, (1)Norwegian Polar Institute, Tromsø, Norway, (2)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (3)Institute of Marine Research, Bergen, Norway, (4)National Oceanography Centre, Southampton, United Kingdom, (5)University of Colorado Boulder, Boulder, United States, (6)University of Washington, Applied Physics Laboratory, Seattle, United States, (7)University of Washington, Seattle, WA, United States
 
Water Masses of the Arctic (WMA) from 40 Years of Hydrographic Observations (2038378)
Kate Oglethorpe1, Joshua Lanham2, Rafael Sebastian Reiss2, Emma Boland3, Alberto Naveira Garabato4, Colm-cille Patrick Caulfield5 and Prof. Ali Mashayek, PhD2, (1)University of Cambridge, Cambridge, UNITED KINGDOM, (2)University of Cambridge, Earth Sciences, Cambridge, United Kingdom, (3)British Antarctic Survey, Cambridge, United Kingdom, (4)University of Southampton, School of Ocean and Earth Science, Southampton, United Kingdom, (5)University of Cambridge, ICCS/DAMTP, Cambridge, United Kingdom
 
Observed trends and shifts in Atlantic Water transport to the Barents Sea, 1998-2024 (2038968)
Randi B. Ingvaldsen1, Till M. Baumann2 and Øystein Skagseth2, (1)Institute of Marine Research, Bergen, Norway, (2)Institute of Marine Research Bergen, Bergen, Norway
 
Ocean surface Ekman dynamics in the Arctic Seas (2039684)
Michael Steele, Applied Physics Laboratory University of Washington, Polar Science Center, Seattle, WA, United States, Suzanne Dickinson, Univ Washington, Seattle, WA, United States and Jinlun Zhang, University of Washington, Seattle, WA, United States
 
Atlantic Water inflow and meridional hydrographic variability in the Nansen Basin (2039936)
Vår Iren Dundas1, Hanne Sagen1 and Agnieszka Beszczynska-Möller2, (1)Nansen Environmental and Remote Sensing Center, Bergen, Norway, (2)Institute of Oceanology Polish Academy of Sciences, Department of Physical Oceanography, Sopot, Poland
 
The role of surface fluxes in poleward ocean heat transport through the Nordic Seas under global warming (2040561)
Zhuo Zhang1, Fukai Liu1, Yiyong Luo1, Qi Shu2 and Kuncheng Zhang1, (1)Ocean University of China, Qingdao, China, (2)First Institute of Oceanography, State Oceanic Administration, Qingdao, China
 
Hydrographic Variability of the Atlantic Water Inflow along the Fram Strait Branch: Insights from Ship-borne Surveys (1997-2025) and Moored Observations (2012-2024) (2041002)
Agnieszka Beszczynska-Moeller1, Waldemar Walczowski2, Vår Iren Dundas3 and Hanne Sagen3, (1)Institute of Oceanology Polish Academy of Sciences, Sopot, Poland, (2)Institute of Oceanology of the Polish Academy of Sciences, Sopot, Poland, (3)Nansen Environmental and Remote Sensing Center, Bergen, Norway
 
Changing seasonal cycles in atmospheric O2, CO2, and APO in multi-decadal observations at three high latitude northern hemisphere sites (2042070)
Cynthia D Nevison, INSTAAR/University of Colorado, Boulder, CO, United States
 
Arctic Ocean Circulation Change, the AOOI, AO, and Sampling Bias (2043011)
James Morison1, Ignatius G Rigor2, Cecilia Peralta-Ferriz3, Ron Kwok4 and John Guthrie4, (1)Polar Science Center, Seattle, WA, United States, (2)PSC APL UW, Seattle, WA, United States, (3)University of Washington, Seattle, United States, (4)Applied Physics Laboratory University of Washington, Polar Science Center, Seattle, United States
 
Ocean Climate Along the West Spitsbergen Shelf and Slope (2043530)
Ragnheid Skogseth, University Centre in Svalbard, Longyearbyen, Norway
 
Characterizing Water Masses in Jones Sound, Canadian High Arctic, with a Focus on Atlantic Water: Insights from Long-Term CTD and Nutrient Observation (2045699)
Ana Heras Duran1, Andrew Hamilton2, Stephanie Waterman3, Terry Noah4, Erin Marie Bertrand5, David Didier6, Paul Glen Myers2 and Kathryn Halloran5, (1)Université du Québec à Rimouski, Northern and Arctic Coastal Research Lab, Rimosuki, QC, Canada, (2)University of Alberta, Department of Earth and Atmospheric Sciences, Edmonton, AB, Canada, (3)University of British Columbia, Department of Earth, Ocean and Atmospheric Sciences, Vancouver, BC, Canada, (4)Ausuittuq Adventures, Grise Fiord, NU, Canada, (5)Dalhousie University, Department of Biology, Halifax, NS, Canada, (6)University of Quebec at Rimouski UQAR, Biology, Chemistry and Geography ; Northern and Arctic Coastal Research Lab, Rimouski, QC, Canada
 
Seasonal-to-Decadal Prediction of Regional Arctic Sea Ice and Ocean Heat Transport (2047257)
Jacob Turetsky Cohen1, Stephen G Yeager2, Wei Cheng1 and LuAnne Thompson1, (1)University of Washington, School of Oceanography, Seattle, United States, (2)NSF National Center for Atmospheric Research, Boulder, United States
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