Seasonal cycle of surface circulation in the coastal North Indian Ocean |
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| Authors: | S R Shetye S Satheesh Chandra Shenoi |
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| Institution: | (1) National Institute of Oceanography, 403 004 Dona Paula, India |
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| Abstract: | Monthly-mean winds and currents have been used to identify the driving mechanisms of seasonal coastal circulation in the North
Indian Ocean. The main conclusions are: (i) the surface circulation off Arabia is typical of a wind-driven system with similar
patterns of longshore current and wind stress; (ii) circulation off the west coast of India is consistent with the dynamics
of a wind-driven eastern boundary current only during the southwest monsoon. During the northeast monsoon it is possible that
the influence of the interior flow is important. (iii) There are at least three mechanisms that influence the surface circulation
off the east coast of India: wind-stress, influence of fresh-water run off and contribution of the interior flow. It is difficult
at present to assess the relative importance of these three processes. |
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| Keywords: | Coastal currents wind stress Sverdrup transport Munk layer monsoons North Indian Ocean |
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