87th AMS Annual Meeting

Wednesday, 17 January 2007
Interannual variability of diurnal warming of the sea surface temperature
Exhibit Hall C (Henry B. Gonzalez Convention Center)
Carol Anne Clayson, Florida State University, Tallahassee, Florida
A data set consisting of daily diurnal warming of sea surface temperature values from 1988 through 2004 covering the global oceans at 1 x 1 resolution has been created using a parameterization for the diurnal warming developed previously. The inputs to the parameterization are the peak shortwave solar radiation (determined from ISCCP data) and daily averaged wind speed (determined from SSM/I data). Long-term trends in diurnal warming are shown to exist in the global oceans with differences from basin to basin, due to changes in long-term trends of winds and incoming surface solar radiation. Main modes of variability in each of the different ocean basins include ENSO in the Pacific and the monsoons in the Indian Ocean. These results will be shown in this presentation.

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