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Sensitivity experiments with an adaptation model of circulation of western tropical Indian Ocean

DRS at CSIR-National Institute of Oceanography

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Title Sensitivity experiments with an adaptation model of circulation of western tropical Indian Ocean
 
Creator Bahulayan, N.
Shaji, C.
Rao, A.D.
Dube, S.K.
 
Subject ocean circulation
models
eddy viscosity
diffusion coefficients
computation
wind stress
surface topography
thermohaline circulation
current velocity
 
Description One 18-level adaptation model of circulation with a flat bottom at 900 m depth has been used to study the sensitivity of the solution to different magnitudes of eddy viscosity and diffusivity coefficients. Three numerical experiments conducted showed that the magnitude and directions of current have not changed substantially, although the horizontal exchange coefficients have been increased by one order and vertical eddy diffusivity coefficients have been increased by 10 times. Computed circulation at 10 m depth is controlled by both wind stress and sea surface topography. Circulation at 50 m depth is mainly controlled by thermohaline forcing and sea surface topography. The current speed in the western tropical Indian Ocean is of the order of 75 to 100 m sec sup(-1).
 
Date 2009-01-12T11:10:07Z
2009-01-12T11:10:07Z
1997
 
Type Journal Article
 
Identifier Indian Journal of Marine Sciences, Vol.26; 1-10p.
http://drs.nio.org/drs/handle/2264/2101
 
Language en
 
Rights Copyright [1997]. All efforts have been made to respect the copyright to the best of our knowledge. Inadvertent omissions, if brought to our notice, stand for correction and withdrawal of document from this repository.
 
Publisher NISCAIR, CSIR