2004 LOM Workshop

Tuesday 11:30 - 11:50 a.m.

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Sensitivity of climate simulations to mixing schemes in a coupled HYCOM/GISS model

Shan Sun
Goddard Institute for Space Studies, NASA
ssun@giss.nasa.gov

ABSTRACT

A new set of coupled model experiments are carried out with an improved version of the GISS AGCM, which includes a thermodynamic and dynamic ice model, and HYCOM. Two different surface layer mixing schemes, Kraus-Turner and KPP, are available. The talk focuses on the impact of different mixing parameterizations on the evolution of water masses and circulations as they affect conditions at the air-sea surface. We will also discuss some improvements in the global conservation in HYCOM.

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LOM Users' Workshop, February 9-11, 2004