GC23H:
Advancing Science of the Arctic System through Integration and Coordination of Observations and Modeling II

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Session ID#: 15676

Session Description:
The Arctic is undergoing some of the most coordinated and rapid climatic changes currently occurring anywhere on Earth. While historical reconstructions from Earth System Models (ESMs) are in broad agreement with these changes, the rate of change in ESMs remains outpaced by observations. This is due to a combination of coarse resolution, inadequate parameterizations, under-represented processes and a limited knowledge of physical interactions. Efforts, including those through IARPC coordination, are underway to advance understanding and improve fidelity of Arctic system models, their projections of future changes and societal use of those projections. We invite presentations that advance understanding of the Arctic system through observations or simulations of critical processes and their interactions that impact Arctic climate variability and trends. We also solicit papers on model-data syntheses and model intercomparisons, which identify and evaluate individual parameterizations, model components, and coupled feedbacks that affect uncertainty in predictions or predictability of Arctic climate.
Primary Convener:  Wieslaw Maslowski, Naval Postgraduate School, Monterey, CA, United States
Conveners:  Scott Harper, Office Naval Research, Arlington, VA, United States, Renu Joseph, Department of Energy Washington DC, Washington, United States and Wilbert Weijer, Los Alamos National Laboratory, Los Alamos, NM, United States
Chairs:  Renu Joseph, Department of Energy Washington DC, Washington, United States and Scott Harper, Office Naval Research, Arlington, VA, United States
OSPA Liaison:  Wilbert Weijer, Los Alamos National Laboratory, Los Alamos, NM, United States
Co-Organized with:
Ocean Sciences, Ocean Sciences, Hydrology, Cryosphere, and Atmospheric Sciences

Cross-Listed:
  • A - Atmospheric Sciences
  • C - Cryosphere
  • H - Hydrology
  • OS - Ocean Sciences

Proposed Co-Organized Session with:
  • A - Atmospheric Sciences
  • C - Cryosphere
  • H - Hydrology
  • OS - Ocean Sciences
Index Terms:

0750 Sea ice [CRYOSPHERE]
1843 Land/atmosphere interactions [HYDROLOGY]
3355 Regional modeling [ATMOSPHERIC PROCESSES]
4207 Arctic and Antarctic oceanography [OCEANOGRAPHY: GENERAL]

Abstracts Submitted to this Session:

Climate models agree remarkably well on Arctic sea ice reductions (121080)
Prof. Jens H Christensen, PhD1,2, Shuting Yang3, Peter P Langen1 and Peter Thejll1, (1)Danish Meteorological Institute, København Ø, Denmark, (2)Niels Bohr Institute, København Ø, Denmark, (3)Danish Meteorological Institute, National Centre for Climate Research, København Ø, Denmark
Process contributions to the intermodel spread in amplified Arctic warming (142428)
Robyn Boeke, NASA Langley Research Center, Hampton, United States and Patrick C Taylor, NASA Langley Research Center, Hampton, VA, United States
Evaluation of Atmosphere-Land-Sea Ice-Ocean Interface Processes in the Regional Arctic System Model (RASM1.0) (176131)
Michael Brunke1, Nicholas Dawson2, Xubin Zeng1, John J Cassano3, Alice K DuVivier4, William J Gutowski Jr5, Joseph Hamman6, Wieslaw Maslowski7, Bart Nijssen8 and Andrew Roberts9, (1)University of Arizona, Department of Hydrology and Atmospheric Sciences, Tucson, AZ, United States, (2)University of Arizona, Tucson, AZ, United States, (3)University of Colorado at Boulder, Atmospheric and Oceanic Sciences, Boulder, CO, United States, (4)National Center for Atmospheric Research, Boulder, CO, United States, (5)Iowa State University, Geological & Atmospheric Sciences, Ames, IA, United States, (6)Applied Physics Laboratory University of Washington, Seattle, WA, United States, (7)Naval Postgraduate School, Monterey, CA, United States, (8)University of Washington Seattle Campus, Seattle, WA, United States, (9)Lost Alamos National Laboratory, Los Alamos, United States
Bio-optical effect of chlorophyll interannual variation to Arctic sea-ice using GFDL Earth System Model (170470)
Hyung-Gyu Lim, POSTECH Pohang University of Science, Pohang, South Korea and Jong-Seong Kug, Seoul National University, School of Earth and Environmental Sciences, Seoul, South Korea
Observing and Simulating Diapycnal Mixing in the Canadian Arctic Archipelago (164844)
Kenneth Hughes, Oregon State University, Corvallis, United States, Jody M Klymak, University of Victoria, Victoria, BC, Canada, Xianmin Hu, University of Alberta, Earth and Atmospheric Sciences, Edmonton, AB, Canada, Paul Glen Myers, University of Alberta, Department of Earth and Atmospheric Sciences, Edmonton, AB, Canada, William James Williams, Organization Not Listed, Washington, DC, United States and Humfrey Melling, Institute of Ocean Sciences, Sidney, BC, Canada
The development of the Non-hydrostatic Unified Model of the Ocean (NUMO), validation and a roadmap to high-resolution simulations of Sermilik Fjord (151998)
Michal A Kopera, University of California Santa Cruz, Earth and Planetary Sciences, Santa Cruz, CA, United States, Wieslaw Maslowski, Naval Postgraduate School, Monterey, CA, United States and Francis Giraldo, Naval Postgraduate School, Department of Applied Mathematics, Monterey, CA, United States
Current State and Recent Changes in the Arctic Ocean from the HYCOM-NCODA Global Ocean and Sea Ice Prediction System (160356)
Dmitry S Dukhovskoy1, Eric Chassignet1, Patrick J Hogan2, E. Joseph Metzger2, Pam Posey2, Ole Martin Smedstad3, Lydia B Stefanova4 and Alan J Wallcraft5, (1)Florida State University, Tallahassee, FL, United States, (2)Naval Research Laboratory, Stennis Space Center, MS, United States, (3)Vencore, Stennis Space Center, MS, United States, (4)Lynker@NOAA/NWS/NCEP/EMC, College Park, United States, (5)Naval Research Laboratory, Oceanography, Stennis Space Center, MS, United States
Climate Response Functions for the Arctic Ocean (186298)
Jeffery R Scott, Massachusetts Institute of Technology, Cambridge, MA, United States, John C Marshall, Massachusetts Institute of Technology, Cambridge, United States and Andrey Proshutinsky, Woods Hole Oceanographic Institution, Woods Hole, MA, United States

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