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    Simulation of barotropic wind-driven circulation in the upper layers of Bay of Bengal and Andaman Sea during the southwest and northeast monsoon seasons using observed winds

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    Proc_Indian_Acad_Sci_(EPS)_101_47.pdf (1.583Mb)
    Date
    1992
    Author
    Bahulayan, N.
    Unnikrishnan, A.S.
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    Abstract
    A two-dimensional, nonlinear, vertically integrated model was used to simulate depth-mean wind-driven circulation in the upper Ekman layers of the Bay of Bengal and Andaman Sea. The model resolution was one third of a degree in the latitude and longitude directions. A steady-state solution was obtained after numerical integration of the model for 15 days. The sensitivity of the model of two types of open boundary conditions namely, a radiation type and clamped type, was tested. A comparison of simulated results for January with available ship drift data showed that the application of the latter along the open boundary could reproduce all the observed features near the boundary and the interior of the model domain. The model was successful in simulating the broad features of circulation including gyres and eddies observed during both the seasons, the development of north equatorial current during the northeast monsoon period and east word moving monsoon drift current upto 90 E degrees during the southwest monsoon season
    URI
    http://drs.nio.org/drs/handle/2264/3099
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