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Abstract
WATER QUALITY STUDIES OF NETRAVATHI AND GURUPURA RIVER ESTUARY, DAKSHINA KANNADA DISTRICT, KARNATAKA STATE, INDIA.
Darshan M.S.*, Shivanna, Dr. Siddaraju K. and P. Madesh
ABSTRACT
River estuary is a part of the estuary ecosystem which includes semi-closed waters affected by the tidal processes and receives fresh water flow from the mainland. In the present study, the water samples were collected from 33 different Locations of Netravathi and Gurupura river estuary, in Dakshina Kannada District of Karnataka state, India, in the Month of February 2021 for Physico-chemical and biological analysis. And analysis of various important water quality parameters such as Temperature, pH, Dissolved oxygen (DO), Total dissolved solids (TDS), Calcium (Ca), Magnesium (Mg), Carbonate (CO3) and Chloride (Cl), and results were revealed that water temperature (30 to 37 0C), pH (7.1to 8.1), DO (4.6 to 5.2 ppm) TDS (228 to 633 Mg/l) Mg (0 to 291.1Mg/l) Ca (6005 to 7954 Mg/l) CO3 (89.96 to 120.3Mg/l) and Cl (14.2 to 18.6 ppt) The results of the study indicate that estuarine environment of Netravathi and Gurupura River is polluted by point sources including industrial effluents and domestic sewage.
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