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Thermohaline structure and circulation in the upper layers of the southern Bay of Bengal during BOBMEX-Pilot (October-November 1998)

DRS at CSIR-National Institute of Oceanography

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Title Thermohaline structure and circulation in the upper layers of the southern Bay of Bengal during BOBMEX-Pilot (October-November 1998)
 
Creator RameshBabu, V.
Murty, V.S.N.
Rao, L.V.G.
Prabhu, C.V.
Tilvi, V.
 
Subject Hydrographic data
Bay of Bengal
 
Description Hydrographic data collected on board ORV Sagar Kanya in the southern Bay of Bengal during the BOBMEX-Pilot programme (October -- November 1998) have been used to describe the thermohaline structure and circulation in the upper 200m water column of the study region. The presence of seasonal Inter-Tropical Convergence Zone (ITCZ) over the study area, typically characterized with enhanced cloudiness and flanked by the respective east/northeast winds on its northern part and west/southwest winds on its southern part, has led to net surface heat loss of about 55W=m2. The sea surface dynamic topography relative to 500 db shows that the upper layer circulation is characterised by a cyclonic gyre encompassing the study area. The eastward flowing Indian Monsoon Current (IMC) between 5°N and 7°N in the south and its northward branching along 87°E up to 13°N appear to feed the cyclonic gyre. The Vessel-Mounted Acoustic Doppler Current Profiler (VM-ADCP) measured currents confirm the presence of the cyclonic gyre in the southern Bay of Bengal during the withdrawing phase of the southwest monsoon from the northern/central parts of the Bay of Bengal.
 
Date 2006-09-04T04:44:55Z
2006-09-04T04:44:55Z
2000
 
Type Journal Article
 
Identifier Proc. Indian Acad. Sci. (Earth Planet. Sci.), vol.109(2), 255-265p.
http://drs.nio.org/drs/handle/2264/358
 
Language en
 
Format 394897 bytes
application/pdf
 
Publisher Indian Academy of Sciences