Hydrogeochemical studies of Kabini river basin, Karnataka, India.

Nagaraju, D. and Papanna, C. (2009) Hydrogeochemical studies of Kabini river basin, Karnataka, India. Nature, Environment and Pollution Technology, 8 (1, Cop). pp. 111-118. ISSN 0972-6268

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Abstract

The quality of ground water in the Kabini river basin, covering an area of 7040 sq km2 in Karnataka, has been studied based on the compn. of one hundred sixty one borewell water samples. An attempt has been made to classify the ground water by various methods. According to Bureau of Indian Stds., 97% of the water samples in the study basin are within the desirable to permissible limit. 93% Of the samples fall in C2-S1 class of USSL diagram. According to Wilcox diagram, 91% of samples fall within the excellent to permissible classes. In the Hill-Piper diagram, majority of the groundwater samples fall in the Ca, Mg-CO3, HCO3, and Na, K-CO3, HCO3 hydrochem. facies. This has been attributed to highly weathered and fractured nature of the basement rocks. By plotting on modified Hill-Piper diagram, it is found that majority of the samples have non-carbonate hardness with a salinity ranging from 2.5 to 23 epm. It is inferred that groundwater of the area has low sodium hazard and low to medium salinity. The range of dissolved components, the values of SAR and residual sodium carbonate indicate that 97% of the water samples of the basin are suitable for domestic, irrigation and industrial purposes. [on SciFinder(R)]

Item Type: Article
Additional Information: Unmapped bibliographic data: PY - 2009/// [EPrints field already has value set] JA - Nat., Environ. Pollut. Technol. [Field not mapped to EPrints]
Uncontrolled Keywords: hydrogeochem groundwater Kabini river basin India
Subjects: Physical Sciences > Earth Science
Divisions: PG Campuses > Manasagangotri, Mysore > Earth Science
Depositing User: Kodandarama
Date Deposited: 10 Jun 2013 04:37
Last Modified: 25 Jun 2013 06:27
URI: http://eprints.uni-mysore.ac.in/id/eprint/12159

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