HR: 09:10h
AN: A41B-07    [Abstracts]
TI: Study of Air-Sea Interaction over Hudson Bay using Canadian Regional Climate Model Coupled with Regional Ocean Model
AU: * QIAN, M
EM: qian.minwei@uqam.ca
AF: Uni. of Quebec at Montreal, Ouranos, 550, Sherbrooke Ouest, 19 ‚tage, Montreal, QC H3A 1B9 Canada
AU: Saucier, F
EM: Saucierf@dfo-mpo.gc.ca
AF: IML, Fisheries and Oceans Canada, 850 Route de la Mer, Mont-Joli, QC G5H 3Z4 Canada
AU: Caya, D
EM: caya@rhea.ouranos.ca
AF: Ouranos, Ouranos, 550, Sherbrooke Ouest, 19 ‚tage, Montreal, QC H3A 1B9 Canada
AU: Laprise, R
EM: laprise.rene@uqam.ca
AF: Uni. of Quebec at Montreal, Ouranos, 550, Sherbrooke Ouest, 19 ‚tage, Montreal, QC H3A 1B9 Canada
AB: The Canadian Regional Climate Model (CRCM) has been coupled with Regional Ocean Model (ROM) over the Hudson Bay. The CRCM is developed in the University of Quebec at Montreal and ROM in the Institute of Maurice Lamontagne, Fisheries and Oceans Canada. The two models are coupled with Fortran Pipe to exchange forcing data in every 30 minutes. After 4 years' simulation, the coupled model proves to be able to reproduce right ice concentration and ice position, which are two very important factors to influence the regional climate in northern America. The annual change of sea ice in Hudson Bay is also well simulated by the coupled model. The coupled model shows the cyclonic surface current in Hudson Bay during the period of summer and fall when ice is free. In winter and spring, the surface current shows a quite complicated structure. The surface current in winter and spring is different from year to year. Especially in spring, the surface current is much more complicated due to the presence of ice, fresh water from melting ice and very stable atmospheric boundary layer condition which makes surface wind stress uncertain.
DE: 3339 Ocean/atmosphere interactions (0312, 4504)
DE: 4504 Air/sea interactions (0312)
DE: 0312 Air/sea constituent fluxes (3339, 4504)
SC: Atmospheric Sciences [A]
MN: 2004 AGU Fall Meeting