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Fronts, water masses and heat content variability in the Western Indian sector of the Southern Ocean during austral summer 2004

DRS at CSIR-National Institute of Oceanography

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Title Fronts, water masses and heat content variability in the Western Indian sector of the Southern Ocean during austral summer 2004
 
Creator AnilKumar, N.
Luis, A.J.
Somayajulu, Y.K.
RameshBabu, V.
Dash, M.K.
Pednekar, S.M.
Babu, K.N.
Sudhakar, M.
Pandey, P.C.
 
Subject Oceanic fronts
Indian sector of Southern Ocean
Heat content
Thermohaline structure
 
Description Two meridional CTD and XBT sections were covered along 45°E and 57°30’E to investigate the morphology of main fronts in the southwest Indian Ocean as a part of Indian pilot expedition to the Southern Ocean on board ORV Sagar Kanya. The frontal systems distinguish the different regimes of cold Antarctic waters from the warmer and saltier waters of the subtropical regime. Along 57°30’E, the signature of the Subtropical Front (STF) was a rapid decrease in surface temperature from 17°C to 10.6°C between 43°50’S and 45°40’S and it was identified as a broad frontal region with a southward shift compared to that at 45°E. The Subantarctic Front (SAF) and Polar Front (PF) were also located with remarkable features noted in the literature. PF was identified between 48° and 52°S along 45°E, where the surface temperature reduced from 5.5 to 2.7°C and where the northern limit of sub-surface temperature minimum layer (
 
Date 2006-12-04T05:55:08Z
2006-12-04T05:55:08Z
2006
 
Type Journal Article
 
Identifier Journal of Marine Systems, vol.63, 20–34p.
http://drs.nio.org/drs/handle/2264/522
 
Language en
 
Rights An edited version of this paper was published by Elsevier. Copyright [2006] Elsevier
 
Format 916471 bytes
application/pdf
 
Publisher Elsevier