PS51A:
Facing the Challenges in Interpreting High-Resolution Satellite Observations due to the Coexistence of Internal Gravity Waves and Balanced Motions in the World Oceans III


Session ID#: 37486

Session Description:
Near-inertial waves and internal tides are the dominant modes of high-frequency internal variability in the ocean, and they scatter into a broad-band inertia-gravity wave spectrum. These high-frequency waves are also known to interact with low-frequency motions associated with “balanced” turbulence (including geostrophic mesoscale eddies and sub-mesoscale fronts and vortices with finite Rossby number). Theoretical and numerical studies of the last decade have demonstrated the importance of these interactions for wave dispersion and energy transfer in the 1km-100km scale range, as well as their effects on the spatial variability of mixing and the route to dissipation. Recent studies have further highlighted the potential impacts of these wave-turbulence interactions on not only high-resolution in-situ observations but also high-resolution satellite observations. This concerns SAR images and also observations from future altimetry missions such as the Surface Water and Ocean Topography (SWOT) mission. These impacts point to new scientific challenges for the interpretation of these high-resolution observations in terms of distinguishing waves from balanced currents and deciphering their interactions. The purpose of this session is to review what we know about these interactions, to identify the questions that still need to be addressed, and to consider how to meet these new challenges.
Primary Chair:  Patrice Klein, Cnrs/Ifremer/LOPS, Plouzané, France; Caltech/JPL, Pasadena, United States
Co-chairs:  Lee-Lueng Fu, Jet Propulsion Laboratory, Pasadena, CA, United States, James C McWilliams, University of California Los Angeles, Atmospheric and Oceanic Sciences, Los Angeles, CA, United States and Rosemary Morrow, CNES French National Center for Space Studies, Toulouse Cedex 09, France
Moderators:  Jinbo Wang, JPL/NASA/Caltech, Pasadena, CA, United States, Bo Qiu, Univ Hawaii Manoa, Honolulu, HI, United States and Shane R Keating, University of New South Wales, Sydney, NSW, Australia
Student Paper Review Liaison:  Aurelien Ponte, CNRS-IFREMER-IRD-UBO, LOPS, Plouzané, France
Index Terms:

4520 Eddies and mesoscale processes [OCEANOGRAPHY: PHYSICAL]
4528 Fronts and jets [OCEANOGRAPHY: PHYSICAL]
4544 Internal and inertial waves [OCEANOGRAPHY: PHYSICAL]
Cross-Topics:
  • PL - Physical Oceanography: Mesoscale and Larger

Abstracts Submitted to this Session:

Seasonality in Transition Scale from Balanced to Unbalanced Motions in the World Ocean (303767)
Bo Qiu1, Shuiming Chen2, Patrice Klein3, Jinbo Wang4, Hector S. Torres5, Lee-Lueng Fu6 and Dimitris Menemenlis6, (1)University of Hawaii at Manoa, Department of Oceanography, Honolulu, HI, United States, (2)Univ Hawaii Manoa, Honolulu, HI, United States, (3)Cnrs/Ifremer/LOPS, Plouzané, France, (4)JPL/NASA/Caltech, Pasadena, CA, United States, (5)CICESE National Center for Scientific Research and Higher Education of Mexico, Ensenada, Mexico, (6)Jet Propulsion Laboratory, Pasadena, CA, United States
Sea surface height signatures of internal gravity waves and implications for swath altimetry (325401)
Anna Savage1, Brian K Arbic2, Matthew H Alford3, Joseph K Ansong4, Maarten C Buijsman5, J. Thomas Farrar6, Dimitris Menemenlis7, Amanda O'Rourke1, James G Richman8, Jay F Shriver9, Gunnar Voet3 and Alan J Wallcraft10, (1)University of Michigan Ann Arbor, Ann Arbor, MI, United States, (2)University of Michigan, Ann Arbor, MI, United States, (3)Scripps Institution of Oceanography, La Jolla, CA, United States, (4)Univ of MI-Earth & Environ Sci, Ann Arbor, MI, United States, (5)University of Southern Mississippi, Stennis Space Center, MS, United States, (6)WHOI, Physical Oceanography, Woods Hole, MA, United States, (7)Jet Propulsion Laboratory, Pasadena, CA, United States, (8)COAPS, Florida State University, Tallahassee, FL, United States, (9)Naval Research Laboratory, Stennis Space Center, Stennis Space Center, MS, United States, (10)Naval Research Laboratory, Stennis Space Center, MS, United States
Evaluating a Projected Model for Internal Tide Propagation Through Quasi-geostrophic Turbulence (314561)
Michael Dunphy, Institute of Ocean Sciences, Fisheries and Oceans Canada, Sidney, BC, Canada, Aurelien Ponte, CNRS-IFREMER-IRD-UBO, LOPS, Plouzané, France, Patrice Klein, Cnrs/Ifremer/LOPS, Plouzané, France and Sylvie Le Gentil, Laboratoire de Physique des Océans, Brest, France
Solving the mesoscale and internal tide sea surface height signatures in a single massive inversion using a variational approach (308630)
Clement Ubelmann, CLS Collecte Localisation Satellites, Plouzané, France, Lauren Carrere, CLS, France, Yannice Faugere, CLS, Toulouse, France and Dibarboure Gerald, CNES, Toulouse, France
Monterey Bay Field Experiment to Support SWOT In Situ Validation (313951)
Yi Chao1, David M Fratantoni2, John D Farrara2, Steve Chien3, Andrew Branch3, Evan Clark3, Lee-Lueng Fu4, Jinbo Wang5, Bruce Joseph Haines4, Andrew F Thompson6, Mar M. Flexas6, Oscar Schofield7, David Aragon8, John Kerfoot9, Clinton Haldeman10, Uwe Send11, Christian Meinig12 and Scott Stalin12, (1)Remote Sensing Solutions, Monrovia, CA, United States, (2)Remote Sensing Solutions, Inc., Pasadena, CA, United States, (3)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (4)Jet Propulsion Laboratory, Pasadena, CA, United States, (5)JPL/NASA/Caltech, Pasadena, CA, United States, (6)California Institute of Technology, Pasadena, CA, United States, (7)Rutgers University, Department of Marine and Coastal Sciences, New Brunswick, NJ, United States, (8)Rutgers University, Marine and Coastal Sciences, Piscataway, NJ, United States, (9)Rutgers University, Marine and Coastal Sciences, New Brunswick, NJ, United States, (10)Rutgers University, Piscataway, NJ, United States, (11)Scripps Institution of Oceanography, La Jolla, CA, United States, (12)NOAA Pacific Marine Environmental Laboratory, Seattle, WA, United States
Multi-platform experiments in the SouthWest Mediterranean Sea to study fine-scale ocean vertical exchanges: anticipating SWOT launch (316791)
Ananda Pascual1, Simon Ruiz1, Amala Mahadevan2, J. Thomas Farrar3, Mara Freilich4, Pierre Chabert5, Laura Gómez-Navarro6, John Allen7, Joaquin Tintore1,7 and Francesco d'Ovidio8, (1)IMEDEA (CSIC-UIB), Marine Technologies, Operational Oceanography and Sustainability, Esporles, Spain, (2)Woods Hole Oceanographic Institution, Woods Hole, MA, United States, (3)WHOI, Physical Oceanography, Woods Hole, MA, United States, (4)MIT- Woods Hole Oceanographic Institution, Joint Program in Oceanography, Woods Hole, MA, United States, (5)IMEDEA(CSIC-UIB), Spain, (6)IMEDEA(CSIC-UIB), Illes Balears, Spain, (7)SOCIB, Palma, Spain, (8)LOCEAN, Paris, France
SWOT in the Tropics: High-Frequency and Small-Scale Dynamics Around New-Caledonia from In Situ Observations (317409)
Guillaume Serazin1, Frederic Marin2, Sophie E Cravatte2, Lionel Gourdeau1 and Fabien Durand1, (1)LEGOS/IRD, Toulouse, France, (2)LEGOS, Université de Toulouse, (IRD, CNES, CNRS, UPS), Toulouse, France
Stochastic filtering and interpolation of future high-resolution satellite observations (310401)
Shane R Keating, University of New South Wales, Sydney, NSW, Australia

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