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  • OS23A: Physical and Biogeochemical Processes on the Warm Antarctic Continental Shelves I Oral
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  • Location Icon215-216
    NOLA CC
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Primary Convener:
Peter Sedwick, Old Dominion University

Convener:
Kiya Riverman, University of Portland
Robert Sherrell, Rutgers University
Andrew Thompson, CALTECH California Institute of Technology

Early Career Convener:
Madeline Mamer, Georgia Institute of Technology Main Campus

Chair:
Kiya Riverman, University of Portland
Robert Sherrell, Rutgers University
Andrew Thompson, CALTECH California Institute of Technology
Madeline Mamer, Georgia Institute of Technology Main Campus
Peter Sedwick, Old Dominion University

The 'warm' continental shelves of West Antarctica, which include the Amundsen and Bellingshausen seas and the West Antarctic Peninsula, are characterized by enhanced on-shelf transport of Circumpolar Deep Water that helps determine on-shelf hydrographic and biogeochemical properties. This warm water also interacts with ice shelves, influencing vertical mixing, overturning rates and ice shelf mass loss, and potentially triggering marine ice sheet instabilities. Warm shelf regions are undergoing rapid, climate-sensitive changes, which have important implications for ocean circulation, biological production and biogeochemical exchange over spatial scales that may extend downstream to the Ross Sea and offshore waters of the Antarctic Circumpolar Current. For this interdisciplinary session, we invite contributions that focus on both observational and modeling studies of ocean circulation, sea ice-ocean and ice shelf-ocean interactions, biogeochemical processes and biological production in Antarctic warm-shelf settings. We are especially interested in studies that explore links among these thematic topics.

Index Terms
4875 Trace elements
4207 Arctic and Antarctic oceanography
4273 Physical and biogeochemical interactions
4540 Ice mechanics and air|sea|ice exchange processes

Cross-Listed:
C - Cryosphere
GC - Global Environmental Change

Neighborhoods:
3. Earth Covering

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