HE008
Mesoscale and Smaller Processes in the Arctic Ocean: Dynamics, Changes, and Impacts
Session ID#: 259467
Session Description:
The Arctic Ocean is changing rapidly in a warming climate. Previously considered a quiescent environment, growing evidence suggests that rich (sub)mesoscale dynamics and internal waves significantly impact Arctic sea-ice dynamics, stratification, circulation, and biogeochemistry, for example by facilitating upward heat transport from underlying warm waters, modulating air-sea exchange, and redistributing nutrients. Dramatic changes in the Arctic environment, such as shifts in sea ice properties, extent, and timing, and the corresponding increased atmosphere-ocean coupling are expected to alter the balance of small-scale processes and modulate important feedbacks (e.g. the importance of surface and internal waves and the ice-albedo feedback).
Our limited understanding of Arctic (sub)mesoscale dynamics and internal waves stems not only from sparse observations but also from factors associated with the high latitude, such as restricted propagation of the baroclinic tide and small mesoscales. This session welcomes contributions based on theory, modelling, and observational approaches for understanding (sub)mesoscale dynamics, internal waves, and other small-scale physical processes in the Arctic Ocean, including their generation, interactions, role in heat, nutrient, freshwater and energy transfers, their representation in ocean models, and their implications for circulation. Interdisciplinary studies of the atmosphere-sea ice-ocean system, biogeochemical processes, and ecosystems are also encouraged.
Co-Sponsor(s):
Index Terms:
4207 Arctic and Antarctic oceanography [OCEANOGRAPHY: GENERAL]
4273 Physical and biogeochemical interactions [OCEANOGRAPHY: GENERAL]
4520 Eddies and mesoscale processes [OCEANOGRAPHY: PHYSICAL]
4572 Upper ocean and mixed layer processes [OCEANOGRAPHY: PHYSICAL]
Student/Early Career Chair: Inge Deschepper, Université Laval, Biology, Québec, CANADA
Primary Chair: Lois Baker, University of Edinburgh, School of Mathematics and Maxwell Institute for Mathematical Sciences, Edinburgh, United Kingdom
Co-chairs: Rafael Sebastian Reiss, University of Cambridge, Earth Sciences, Cambridge, United Kingdom, Ruijian Gou, Key Laboratory of Physical Oceanography and Frontiers Science Center for Deep Ocean Multispheres and Earth System, Ocean University of China, Qingdao, China and Paul Glen Myers, University of Alberta, Department of Earth and Atmospheric Sciences, Edmonton, AB, Canada
Characteristics of ocean mesoscale eddies in the Canadian Basin from a high resolution pan-Arctic model (1864665)
Noémie Planat, Department of Atmospheric and Oceanic Sciences, McGill University, Montreal, QC, Canada, Carolina Dufour, Spatial and Physical Oceanography Laboratory (LOPS) - Ifremer, France, Plouzané, France, Camille Lique, Laboratoire de Physique des Océans, Ifremer, Brest, France, Jan Klaus Rieck, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, Claude Talandier, CNRS, Laboratoire d'océanographie physique et spatiale, Plouzane, France and Bruno Tremblay, McGill University, Department of Atmospheric and Oceanic Sciences, Montréal, QC, Canada
Near-Inertial Waves in a High-Latitude Channel (2009259)
Lina M Rotermund1, Ruth C Musgrave1 and Clark Richards2, (1)Dalhousie University, Department of Oceanography, Halifax, NS, Canada, (2)Fisheries and Oceans Canada, Halifax, NS, Canada
Formation, Structure and Sea Ice Impacts of Atlantic Water Eddies in the Eurasian Basin (2009858)
François Challet1, Christophe Herbaut1, Marie-Noëlle Houssais1, Gianluca Meneghello2 and Anne-Cécile Blaizot1, (1)LOCEAN-IPSL, Paris, France, (2)LMD, Ecole Normale Supérieure, Paris, France
Surface heterogeneity mediates ocean kinetic energy pathways in the marginal sea ice zone (2010434)
Samuel Brenner, California Institute of Technology, Pasadena, United States, Andrew F Thompson, Caltech, Pasadena, United States, Mukund Gupta, Delft University of Technology, Delft, Netherlands and Georgy E Manucharyan, University of Washington, School of Oceanography, Seattle, United States
Spatio-temporal variability of the Near-Surface Temperature Maximum in the Nansen Basin from 2 decades of observations (2012448)
Clément Van Straaten, Laboratoire d'Oceanographie Physique et Spatiale, Brest, 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
Eddy Impacts on Density Structure in Fram Strait (2017084)
Boris Shapkin1, Vasco Mueller2, Claudia Wekerle3 and Sergey Danilov2, (1)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Climate Dynamics, Bremerhaven, Germany, (2)Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany, (3)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research, Physical Oceanography of the Polar Seas, Bremerhaven, Germany
Horizontal and vertical exchange processes within the Arctic Boundary Current (ABC), north of Severnaya Zemlya (2017356)
Lara Jane Aschenbeck, University of Bremen, Institute of Environmental Physics, Bremen, Germany, Maren Walter, University of Bremen, Institute of Environmental Physics, MARUM, Bremen, Germany and Torsten Kanzow, Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany
Spatial Scales of Sea Surface Salinity and Temperature Differences in the Beaufort Sea (2019497)
Frederick Bingham, University of North Carolina at Wilmington, Wilmington, NC, United States, Michael Steele, Univ Washington, Seattle, United States, Andrey Y. Shcherbina, Applied Physics Laboratory, Seattle, WA, United States, Peter Gaube, Applied Physics Laboratory, University of Washington, Seattle, United States and Julian J Schanze, Earth and Space Research, Seattle, WA, United States
Mean Kinetic Energy and its Projected Changes Dominate over Eddy Kinetic Energy in the Arctic Ocean (2023342)
Jan Klaus Rieck, McGill University, Montreal, QC, Canada, Josue Martinez Moreno, British Antarctic Survey, Cambridge, United Kingdom, Camille Lique, Laboratoire de Physique des Océans, Ifremer, Brest, France, Carolina Dufour, Spatial and Physical Oceanography Laboratory (LOPS) - Ifremer, France, Plouzané, France and Claude Talandier, CNRS, Laboratoire d'océanographie physique et spatiale, Plouzane, France
Properties and Effects of Mesoscale Eddies in the Eurasian Basin from a Model Simulation at 1-km Resolution (2023672)
Vasco Mueller1, Qiang Wang1, Sergey Danilov1, Nikolay Koldunov2 and Thomas Jung1, (1)Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany, (2)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Climate Dynamics, Bremerhaven, Germany
When Internal Waves Meet the Seasonal Meltwater Stratification: Upper Ocean Mixing and Cross-Scale Interactions Near Fram Strait (2023685)
Simon F. Reifenberg1, Ilker Fer2, Torsten Kanzow1 and Wilken-Jon von Appen1, (1)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Physical Oceanography of the Polar Seas, Bremerhaven, Germany, (2)University of Bergen, Geophysical Institute, Bergen, Norway
Energetics of the upper-ocean during sea ice melt: from mesoscale to sub-mesoscale (2026704)
Mukund Gupta, Delft University of Technology, Delft, Netherlands, Andrew F Thompson, CALTECH California Institute of Technology, Pasadena, United States and Patrice Klein, Cnrs/Ifremer/LOPS, Plouzané, France
Impact of mesoscale eddy parameterization on Arctic Atlantic Water circulation in the eddy-permitting grey zone (2026759)
Per Pemberton1, Irene Wåhlström2 and Sam Fredriksson2, (1)Swedish Meteorological and Hydrological Institute, Department of Research and Development, Oceanography, Gothenburg, Sweden, (2)Swedish Meteorological and Hydrological Institute, Oceanography Research Dept., Norrköping, Sweden
From spinning sea ice floes to surface ocean enstrophy spectra in the Marginal Ice Zone (2027209)
Minki Kim, Brown University, Center for Fluid Mechanics, School of Engineering, Providence, RI, United States, Georgy E Manucharyan, University of Washington Seattle Campus, School of Oceanography, Seattle, United States, Michelle DiBenedetto, Princeton University, Mechanical & Aerospace Engineering, Princeton, United States, Ellen Buckley, University of Illinois at Urbana Champaign, Urbana, United States, Daniel Watkins, Brown University, Center for Fluids Mechanics, School of Engineering, Providence, RI, United States and Monica M. Wilhelmus, Brown University, Center for Fluid Mechanics, School of Engineering, Providence, United States
The life cycle of the low salinity lenses at the surface of the Arctic Ocean (2027877)
Camille Lique, IFREMER, Laboratoire d'Océanographie Physique et Spatiale, Plouzané, France, Clément Van Straaten, Laboratoire d'Oceanographie Physique et Spatiale, Brest, France and Nicolas Kolodziejczyk, UBO, CNRS, IRD, Ifremer, Laboratoire d’Oceanographie Physique et Spatiale (LOPS), Plouzane, France, Plouzane, France
The Relative Roles of Different Vertical Mixing Parameterizations in Setting Modelled Beaufort Gyre Stratification (2028178)
Aidan Parfett1, Stephanie Waterman1, An Nguyen2 and Jeffery R Scott3, (1)University of British Columbia, Earth, Ocean and Atmospheric Sciences, Vancouver, BC, Canada, (2)University of Texas at Austin, Austin, TX, United States, (3)Massachusetts Institute of Technology, MIT Center for Sustainability Science and Strategy, Cambridge, United States
The Role of Oceanic Eddies in Climate Modeling in the Arctic Region (2028692)
Avelina Akhtiamova1, Dmitry Sein2 and NIkita Sandalyuk1, (1)Moscow Institute of Physics and Technology, Laboratory of Arctic Oceanography, Moscow, Russia, (2)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany
Using a large Lagrangian drifter data set to characterize submesoscale variability, relative dispersion, and kinematic properties of the flow field in the Chukchi Sea (2029101)
Thilo Klenz1, Seth L Danielson1, Leandra Sousa2, Jeffrey J Early3 and Adam Sykulski4, (1)University of Alaska Fairbanks, College of Fisheries and Ocean Sciences, Fairbanks, United States, (2)North Slope Borough Department of Wildlife Management, Barrow, United States, (3)NorthWest Research Associates, Seattle, United States, (4)Imperial College London, London, United Kingdom
Observed near-inertial internal waves in Eastern Chukchi Sea (2031012)
Nan-Hsun Chi, University of Washington/CICOES, Seattle, United States, Dongxiao Zhang, CICOES/University of Washington and NOAA/PMEL, Seattle, United States and Chidong Zhang, NOAA Pacific Marine Environmental Laboratory, Seattle, United States
Changing Thermohaline Staircase Properties in a 20-year Record in the Beaufort Sea (2031769)
Stephanie Waterman1, Katerina Benevides1, Yujun Ling2 and Jiaming Chang3, (1)University of British Columbia, Earth, Ocean and Atmospheric Sciences, Vancouver, BC, Canada, (2)University of Waterloo, Waterloo, Canada, (3)University of British Columbia, Vancouver, Canada
Structure and Dynamics of Intrahalocline Eddies in the Central Arctic: Observations from MOSAiC and Implications for Vertical Nutrient Fluxes (2034010)
Alejandra Quintanilla Zurita1, Benjamin Rabe1, Claudia Wekerle2, Torsten Kanzow3, Ivan Kuznetsov4, Sinhue Torres Valdes5, Enric Pallas Sanz6 and Ying-Chih Fang7, (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, Physical Oceanography of the Polar Seas, Bremerhaven, Germany, (3)Alfred-Wegener-Institute, Bremerhaven, Germany, (4)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Climate Dynamics, Bremerhaven, Germany, (5)Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung, Phytoplankton Ecophysiology, Bremerhaven, Germany, (6)Center for Scientific Research and Higher Education at Ensenada, Physical Oceanography, Ensenada, BJ, Mexico, (7)National Sun Yat-sen University, Department of Oceanography, Kaohsiung, Taiwan
Topographically-Generated Internal Waves Northward of the Critical Latitude (2036262)
Tianshu Liu, University of Cambridge, Department of Earth Sciences, Cambridge, United Kingdom, Lois Baker, University of Edinburgh, School of Mathematics and Maxwell Institute for Mathematical Sciences, Edinburgh, United Kingdom and Prof. Ali Mashayek, PhD, University of Cambridge, Earth Sciences, Cambridge, United Kingdom
Decadal variability of vertical mixing in the Arctic Ocean (2038607)
Prof. Ali Mashayek, PhD1, Rafael Sebastian Reiss1, Siddhartha Bishnu2, Kate Oglethorpe3, Joshua Lanham1, Tianshu Liu4 and John Ryan Taylor5, (1)University of Cambridge, Earth Sciences, Cambridge, United Kingdom, (2)Cambridge University, Cambridge, United Kingdom, (3)University of Cambridge, Cambridge, UNITED KINGDOM, (4)University of Cambridge, Department of Earth Sciences, Cambridge, United Kingdom, (5)University of Cambridge, DAMTP, Cambridge, United Kingdom
Submesoscale Variability of Pacific Summer Water in the Beaufort Sea (2047743)
Carlyn Schmidgall, University of Washington Seattle Campus, Oceanography, Seattle, United States; Applied Physics Laboratory, Seattle, United States, Peter Gaube, Applied Physics Laboratory, University of Washington, Seattle, United States, Michael Steele, Univ Washington, Seattle, United States, Jim Thomson, University of Washington, Seattle, United States and LuAnne Thompson, University of Washington, Oceanography, Seattle, United States
