2004 LOM Workshop

Tuesday 4:40 - 5:00 p.m.

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Ice Shelf - Ocean Model Intercomparison Project

David Holland, Miguel Angel Morales Maqueda
New York University
holland@cims.nyu.edu

ABSTRACT

The Ice Shelf - Ocean Model Intercomparison Project (ISOMIP) is currently being proposed as an open, international effort to identify systematic errors in sub-ice shelf cavity ocean models. In this presentation, the first intercomparison results from the project are presented and discussed, with a focus on the results from the isopycnic model (i.e., MICOM) used in the study. The presentation also includes a discussion of modifications to the surface boundary conditions for salt flux in isopycnic models, whereby the usual “virtual” salt flux is replaced by a “natural” boundary condition, involving mass flux arising from the melting of the overlying ice shelf. The sensitivity of the modeled ocean circulation to this change in surface boundary condition is presented. Further information on the overall project may be found at URL http://fish.cims.nyu.edu/project_oisi/isomip/overview.html.

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LOM Users' Workshop, February 9-11, 2004