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Impact of dredging on coastal water quality of dhamra, Orissa

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Title Impact of dredging on coastal water quality of dhamra, Orissa
 
Creator Sangita, Seoul
Satapathy, D. R.
Kar, R. N.
Panda, C. R.
 
Subject Dhamra estuary
Dredging
Physico-chemical parameters
Temporal variation
Water quality
 
Description 33-38
Present investigation deals with the
study of impact of dredging on water quality of Dhamra estuary, by evaluating the
samples collected bi-monthly from various sampling stations during April-2008
to March-2010. Study revealed that the dredging operation has drastic impact on
water quality of Dhamra, as total suspended solid and turbidity of both surface
and bottom waters are high at dredging channel. Similarly, higher concentration
of nutrients in dredging channel and disposal site shows clear impact of
dredging. However, in certain points higher dissolved oxygen were observed in surface
water at dredging channel may be due to higher phytoplankton production. But
Biochemical Oxygen Demand of both surface and bottom water was intensely
influenced by dredging due to release of organic rich sediment.
 
Date 2014-02-05T09:11:45Z
2014-02-05T09:11:45Z
2014-01
 
Type Article
 
Identifier 0975-1033 (Online); 0379-5136 (Print)
http://hdl.handle.net/123456789/26415
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJMS Vol.43(1) [January 2014]