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dc.contributor.authorPrasannaKumar, S.
dc.contributor.authorPrasad, T.G.
dc.date.accessioned2009-01-10T11:35:47Z
dc.date.available2009-01-10T11:35:47Z
dc.date.issued1999
dc.identifier.citationJournal of Geophysical Research (C: Oceans), Vol.104; 1455-1464p.
dc.identifier.urihttp://drs.nio.org/drs/handle/2264/1822
dc.description.abstractThe formation and seasonal spreading of the Arabian Sea High-Salinity Water (ASHSW) mass were studied based on the monthly mean climatology of temperature and salinity in the Arabian Sea, north of the equator and west of 80 degrees E, on a 2 degrees x 2 degrees grid. The ASHSW forms in the northern Arabian Sea during winter and spreads southward along a 24 sigma-t surfacae against the prevailing weak zonal currents. The eastern extent of the core is limited by the strong northward coastal current flowing along the west coast of India. During the southwest monsoon the northern part of the core shoals undet the influence of the Findlater Jet, while the southern part deepens. Throughout the year the southward extent of the ASHSW in inhibited by the equatorial currents. The atmospheric forcing that leads to the formation of ASHSW was delineated using the monthly mean climatology of heat and freshwater fluxes. Monsoon winds dominate all the flux fields during summer (June-September), while latent heat release during the relative calm of the winter (November-February) monsoon, driven by cool, dry continental air from the north, results in an increased density of the surface layer. Thus excess evaporation over precipitation and turbulent heat loss exceeding the radiative heat gain cool the surface waters of the northern Arabian Sea during winter and drive convective formation of ASHSW
dc.language.isoen
dc.publisherAmerican Geophysical Union
dc.rightsCopyright [1999]. 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.
dc.subjectwater masses
dc.subjectsalinity
dc.subjectwater temperature
dc.subjectseasonal variations
dc.subjectsigma-t
dc.subjectequatorial circulation
dc.subjectatmospheric forcing
dc.subjectheat transfer
dc.titleFormation and spreading of Arabian Sea high-salinity water mass
dc.typeJournal Article


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