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CARIB-HYCOM: Progress and Plans
George R. Halliwell, Villy Kourafalou, Zulema Garraffo
RSMAS/University of Miami
(Abstract received 07/15/2007 for session X)
ABSTRACT
HYCOM has been configured within a wider Caribbean domain (CARIB-HYCOM) that also includes the Gulf of Mexico along with the western Atlantic Ocean northward to 30N, eastward to 35W, and southward to 5S. The initial purpose of this model is to provide physical oceanographic and ocean climate information for a large scientific study of the impact of climate change and human influences on marine life and ecology over the entire Caribbean region, and also locally at several coastal and island locations. The CARIB-HYCOM model will be the first step in downscaling ocean information contained in global ocean nowcasts to regional and local domains, which will be accomplished by nesting CARIB-HYCOM within these nowcasts, then sequentially nesting successively higher-resolution regional and local-scale models within CARIB-HYCOM. The CARIB-HYCOM region is extended to 35W to explicitly include Orinoco and Amazon River runoff along with the North Brazil Current retroflection region to study the transport of this fresh water and its impact on Caribbean islands. Initial progress on this project will be presented, focusing on a one-year CARIB-HYCOM climatological simulation at 0.04-degree resolution. Other potential uses of the CARIB-HYCOM model, such as hurricane research, will be discussed.
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2007 LOM Workshop, Bergen, Norway, August 20-22, 2007