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Non-conservative controls on distribution of dissolved silicate in Cochin Backwaters

DRS at CSIR-National Institute of Oceanography

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Title Non-conservative controls on distribution of dissolved silicate in Cochin Backwaters
 
Creator Balachandran, K.K.
Sankaranarayanan, V.N.
Joseph, T.
Nair, M.
 
Subject silicates
dissolved organic matter
estuaries
temporal variations
geographical distribution
 
Description Cochin backwater system was studied with regard to dissolved silicate (DSi) to understand its seasonal distribution and behaviour during estuarine mixing. Silicate had a linear relationship with salinity during the high river discharge period. During premonsoon period, a sharp decrease of silicate with distance in the middle regions between salinity range of 4 to 22 x 10 sup(3) in the estuary was observed. River discharge was found to modulate both estuarine residence time and the DSi supply. The substantial removal of DSi (approximately 50%) during premonsoon was attributed to enhanced biological utilization, caused by the development of null zones in the middle areas of the estuary
 
Date 2009-01-10T10:08:18Z
2009-01-10T10:08:18Z
1999
 
Type Conference Article
 
Identifier The Fourth Indian Fisheries Forum, Proceedings. 24-28 November, 1996, Kochi, Kerala, eds. Joseph, M.M.; Menon, N.R.; Nair, N.U. 77-79p.
http://drs.nio.org/drs/handle/2264/1742
 
Language en
 
Rights Copyright [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.
 
Publisher Asian Fisheries Society, Indian Branch, Mangalore (India)