Simulation of Ocean Upper Layer Response to Moving Indian Ocean Cyclone Using Reduced Gravity Ocean Model
The sensitivity of the ocean mixed layer response to different parameters such as model horizontal resolution, vertical temperature gradient and eye size is investigated in response to moving Indian Ocean cyclone. For this, a one and one-half layer wind-driven reduced-gravity ocean model is forced with synthetic cyclonic vortex. The sensitivity studies are carried out for a cyclone moving along idealized tracks, initially and then for three observed cyclones (TC 01A), (TC02B) and (TC04A) during 2004. Increasing model resolution resulted in stronger ocean response. The role of initial vertical temperature gradient in modulating the ocean response is found to be important.
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Document Type: Research Article
Affiliations: Indian Institute of Tropical Meteorology, Pune, India
Publication date: April 1, 2012