Coastal water pollution in two rivers of the Bengal delta |
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| Authors: | Rituparna Bose Arnab De Subho Mozumdar Goutam Sen Ananda Deb Mukherjee |
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| Institution: | (1) Cenral Pollution Control Board, 247 D.P.S. Road, Kolkata, 700-033, India;(2) Charuchandra College, Kolkata, India |
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| Abstract: | A thorough comprehension of relevant environmental parameters is a prerequisite to preventing coastal degradation and environmental balance in coastal zones. In this study, we correlate major physicochemical of two coastal rivers (Matla and Saptamukhi) in the Sunderban district, West Bengal. The parameters namely: pH, salinity, dissolved oxygen, suspended solids, nitrogen and phosphorus concentrations (inorganic and total) of these two rivers were studied in detail over the 90s decade. We hypothesized that both natural and anthropogenic activities during that time have contributed to the pollution and employed the above parameters to test our hypothesis. Our results reveal that the quality of waters in the rivers have been showed to be dependent on flood impacts, storm surge, eutrophication, domestic sewage, agricultural and industrial wastes. Thus, both natural and anthropogenic causes are the behind coastal pollution of river waters. We conclude that they have all contributed to pollution of these rivers in various ways and we calculate the differential effects of these parameters on coastal pollution. |
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