Record Details

Upwelling off the Southwest Coast of India

CMFRI Repository

View Archive Info
 
 
Field Value
 
Relation http://eprints.cmfri.org.in/6882/
 
Title Upwelling off the Southwest Coast of India
 
Creator Sharma, G S
 
Subject Oceanography
Upwelling
 
Description Various factors responsible in inducing upwelling are discussed. A distinction is made
between the process of upwelling: and its etlects on the environmental conditions. Upwelling
off the southwest coast of India is discussed in relation °to the time variation of density structure
, horizontal divergence of surface Current vectors, wind stress components - parallel and
perpendicular to the Coast, thermal structure and sea level. Upwelling in this region commences
in the deeper layers of about 90 m in March a nd the upwelled water reaches the surface
by May. The process continues to occur vigorously till June. From then, with the increase in
strength of southwest winds, intensity of upwelling reduces and finally ceases to be present by
July/August when the onshore winds of the southwest monsoon have maximum strength. The reverse process, sinking, sets in by September. Ve rtical velocity, i.e. upwelling, calculated (1) from the vertical shift of the isopycnal with time and (ii) from the average horizontal divergence, is 1•5 X 10-s and 1•8 x 10-s em sec-1 respectively.
 
Date 1978
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://eprints.cmfri.org.in/6882/1/023-INDIAN_JOURNAL_OF_MARINE_SCIENCES_1978.pdf
Sharma, G S (1978) Upwelling off the Southwest Coast of India. Indian Journal of Marine Sciences, 7 (4). pp. 209-218.