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VM-ADCP measured upper ocean currents in the southeastern Arabian Sea and Equatorial Indian Ocean during December, 2000

DRS at CSIR-National Institute of Oceanography

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Title VM-ADCP measured upper ocean currents in the southeastern Arabian Sea and Equatorial Indian Ocean during December, 2000
 
Creator Murty, V.S.N.
Suryanarayana, A.
Somayajulu, Y.K.
Raikar, V.
Tilvi, V.
 
Subject ocean currents
upper ocean
ocean circulation
acoustic equipment
wind pressure
 
Description The Vessel-Mounted Acoustic Doppler Current Profiler (VM-ADCP) measured currents in the upper 200 m along the cruise track covering the southeastern Arabian Sea and the Eastern Equatorial Indian Ocean during northern winter monsoon (10-31 December) of 2000 are presented. In the study area, the westward flowing North Equatorial Current is identified at 4 degrees N southeast of Sri Lanka and its northwestward flow into the southeastern Arabian Sea over a wider zonal belt 4 degrees N-7 degrees N west of 80 degrees E. It attains higher speed (more than 50 cm/s) outside the Gulf of Mannar augmented by the strong northeasterly winds blowing over the Gulf. With the eastward flow north of 7 degrees N towards the Gulf, a clockwise eddy (early stage of the Lakshadweep High) is formed off south-southwest coast of India due to local wind forcing. A strong (more than 50 cm/s) eastward flowing North Equatorial Counter Current (NECC) is developed in the zonal belt 0-3 degrees N due to prevalence of the equatorial west wind forcing through December and retroflection of NEC. The transport of the NECC in the upper 100 m varies from 4x10@u6@@ m@u3@@ /s at 83 degrees E to 7x10@u6@@ m@u3@@ /s at 93 degrees E. The data details the structure of the South Equatorial Counter Current south of the equator from 83 degrees E to 93 degrees E.
 
Date 2008-08-09T10:11:45Z
2008-08-09T10:11:45Z
2002
 
Type Conference Article
 
Identifier Proceedings of The Sixth Pan Ocean Remote Sensing Conference (PORSEC) Bali, 3-6 September 2002: Remote sensing and ocean science for marine resources exploration and environment. Vol. 2. eds. by: Pasaribu, B.P.; Kaswadji, R.; Nurjaya, I.W.; Gaol, J.L., 29-33p.
http://drs.nio.org/drs/handle/2264/1405
 
Language en
 
Publisher PORSEC 2002 Secretariat; Bogor; Indonesia