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Distribution and behaviour of fluoride in Mandovi and Zuari estuaries, central west coast of India

DRS at CSIR-National Institute of Oceanography

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Title Distribution and behaviour of fluoride in Mandovi and Zuari estuaries, central west coast of India
 
Creator DeSousa, S.N.
SenGupta, R.
 
Subject Chemistry and Biogeochemistry
conservative properties
river discharge
salt wedges
monsoons
salt intrusion
fluorides
estuarine chemistry
ISW, India, Goa, Mandovi-Zuari Estuary
 
Description Fluoride concentrations in Mandovi and Zuari estuaries are regulated largely by salt water intrusion. Highest concentrations are observed during the premonsoon season, when the salt water intrusion is also the highest, the concentration increasing from fresh water-end to the sea-end. During monsoon, however, fluoride concentrations are the lowest and the estuaries show freshwater characteristics at the surface while at the bottom higher fluoride concentrations are observed near the mouth as a result of salt wedge formation. Postmonsoon season shows a recovery period when the fluoride concentration has values lying between those during premonsoon and monsoon. F-Cl relationship is linear during monsoon and postmonsoon indicating that fluoride behaves conservatively during these 2 seasons. During the premonsoon, however, the F-Cl relationship is not linear but exponential of the type Y = abx which is curve concave to the fluoride-axis indicating that fluoride is lost in estuaries in this season (28 and 25% in Mandovi and Zuari respectively)
 
Date 1995-08-14T10:01:42Z
2017-09-30T01:29:45Z
1995-08-14T10:01:42Z
2017-09-30T01:29:45Z
1988
 
Type Journal Article
 
Identifier Indian Journal of Marine Sciences, vol.17; 1988; 195-201
0379-5136
http://drs.nio.org/drs/handle/2264/7000
 
Language en
 
Relation Indian J Mar Sci
SCI
 
Publisher CSIR-NISCAIR