Three-Dimensional Structure and Evolution of the Mixed Layer in the Arabian Sea
Final rept. 1 Jan 94-31 Dec 98
WOODS HOLE OCEANOGRAPHIC INSTITUTION MA
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Our goal was to understand the physical temperature, salinity, density, currents and optical fluorescence, light transmission properties of the upper 200 m of the Arabian Sea vary in response to the strong seasonal, monsoonal wind forcing. Four cruises, covering four phases of the Arabian Sea monsoons, took place during 1994-1995. During these cruises, we deployed SeaSoar a towed, undulating underwater vehicle to measure the properties of interest rapidly and with high spatial resolution. Our results show that the traditional picture of basin-scale upwelling and downwelling driven by wind patterns is too simple, and that upper ocean changes seem to be more strongly driven by effects associated with eddies, vertical mixing and horizonal transport.
- Physical and Dynamic Oceanography