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Computation of large scale currents in the Arabian Sea during winter using a semi-diagnostic model

DRS at CSIR-National Institute of Oceanography

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Title Computation of large scale currents in the Arabian Sea during winter using a semi-diagnostic model
 
Creator Shaji, C.
Bahulayan, N.
Rao, A.D.
Dube, S.K.
 
Subject ocean circulation
models
wind stress
winter
water currents
thermohaline circulation
 
Description A 3-dimensional, semi-diagnostic model with 331 levels in the vertical has been used for the computation of climatic circulation in the western tropical Indian Ocean. Model is driven with the seasonal mean data on wind stress, temperature and salinity data. Results of numerical experiments for winter season at selected levels are analysed and presented in this paper. The broad features of circulation during winter season such as the westward NEC and SEC, eastward ECC and southward Somali Current is computed successfully by the model. The SEC, NMC and MZC can be seen in all the levels 20, 50, 150 and 300 m depths. Model results show a southward undercurrent at 50 m depth along west coast of India, a southward subsurface current off Somali near 5 degrees N at 150 and 300 m depths. Computed circulation features at the surface and subsequent levels showed fairly good agreement with the observations.
 
Date 2009-01-12T11:10:07Z
2009-01-12T11:10:07Z
1997
 
Type Journal Article
 
Identifier Proceedings of the Indian National Science Academy (A. Physical Sciences), Vol.63; 351-364p.
http://drs.nio.org/drs/handle/2264/2099
 
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 Indian National Science Academy