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A model study of the seasonal cycle of the Arabian Sea surface temperature

DRS at CSIR-National Institute of Oceanography

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Title A model study of the seasonal cycle of the Arabian Sea surface temperature
 
Creator Shetye, S.R.
 
Subject Oceanography and Limnology
thermocline
wind stress
surface mixed layer
monsoons
downwelling
horizontal advection
vertical advection
heat transfer
momentum transfer
surface temperature
seasonal variations
ISW, Arabian Sea
 
Description The annual variation of the SST along a zonal strip from the coast of Somalia to the southwest coast of India was simulated using available data (monthly-mean heat and momentum fluxes across the air-sea interface, surface advective field, etc.) as input to a Kraus-Turner mixed-layer model. Three cases were examined. In the first, influence of surface fluxes alone was considered. The second included the effects of surface fluxes and vertical advection. Then, effect of horizontal advection was added. The model forced with the surface heat and momentum fluxes alone simulated reasonably well the SST variability throughout the year except during the May-August (southwest monsoon) cooling phase. The model was found to be inadequate to handle the coastal areas during this phase. Over the open-sea regime the performance of the model was better; and, it improved when the influence of advection was included. The important contribution of the horizontal advection during June-August was to remove most of the heat gained at the surface during the course of a year. Though downwelling in the open-sea had little influence on the SST, it had noticeable impact on the vertical heat transport. The numerical experiments suggest that the Kraus-Turner thermodynamics alone dominate the Arabian SST variability throughout the year except during the southwest monsoon, when dynamics too play a significant role
 
Date 1995-06-13T10:01:20Z
2017-09-29T13:48:16Z
1995-06-13T10:01:20Z
2017-09-29T13:48:16Z
1986
 
Type Journal Article
 
Identifier Journal of Marine Research, vol.44; 1986; 521-542
0022-2402
http://drs.nio.org/drs/handle/2264/6143
 
Language en
 
Relation J Mar Res
SCI
 
Publisher Ingenta Connect Publication