Please use this identifier to cite or link to this item: http://nopr.niscair.res.in/handle/123456789/38742
Title: Atypical behaviour of dissolved silicate in the Cochin Backwaters and Periyar River
Authors: Sankaranarayanan, V N
Joseph, T
Jayalakshmy, K V
Balachandran, K K
Issue Date: Jun-1984
Publisher: NISCAIR-CSIR, India
Abstract: Dissolved silicate was determined for 1 y (1982-83) covering a wide range of salinity from the estuarine mouth to the fresh water region. Silicate concentration ranged between 0.03 and 4.75 mgl-1. Silicate-salinity relationship was linear and inverse in the salinity ranges 0-5 x 10-3 and 5-35 x 10-3. Since variability in the distribution of silicate explained by the significant linear regression model was small in the subranges of salinity 5-20 and 20-30 x 10-3, a curvilinear regression model was fitted and it gave a good fit at 5% level (P> 0.05). The expected removal of silicate at salinity range 0-5 and 5-35 x 10-3 given by linear relationship was 28.8 and 51.1% respectively. In 5-20 and 20-30 x 10-3 salinity the expected removal as given by curvilinear relationship was 31.94 and 6.068% respectively.
Page(s): 60-63
URI: http://nopr.niscair.res.in/handle/123456789/38742
ISSN: 0975-1033 (Online); 0379-5136 (Print)
Appears in Collections:IJMS Vol.13(2) [June 1984]

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