Assessment studies of groundwater recharge in Nagamangala Taluk, Mandya District, Karnataka using remote sensing and GIS techniques

Nagaraju, D. and Papanna, C. and Nagesh, P.C. and Rao, K. (2010) Assessment studies of groundwater recharge in Nagamangala Taluk, Mandya District, Karnataka using remote sensing and GIS techniques. Nature Environment and Pollution Technology, 9 (4). pp. 755-762. ISSN 09726268

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Abstract

The groundwater recharge assessment studies in Nagamangala taluk in Mandya district were carried out based on geographical information system (GIS) and remote sensing techniques. In this connection satellite images (IRS-IA LISS+PAN+Wifs Image) and aerial plots were subjected to several treatment processes using software like ERDAS imagine and ESRI's Arc view. Thus, various thematic maps have been prepared for drainage density, lineaments, lithology and land cover/land use that allowed deciding their interactive effect. In the present study, the degree of effect was determined for each factor to assess the total groundwater recharge potentiality for two categories (moderate rate to low). The resultant map shows that 85 of the area has low and rest has moderate groundwater recharge potentiality. Finally, only 8.6 of the total average annual precipitated water (1685 mm) percolates into subsurface and ultimately contributes to recharge the groundwater.

Item Type: Article
Additional Information: cited By 0
Uncontrolled Keywords: Drainage density; Geographical information systems; GIS; Ground water recharge; Interactive effect; Karnataka; Nagamanagal taluk; Recharge potential; Remote sensing and GIS; Remote sensing techniques; Satellite images; Thematic maps; Treatment process, Geographic information systems; Lithology; Maps; Rating; Remote sensing, Recharging (underground waters), aerial photograph; GIS; land cover; land use change; lineament; lithology; percolation; recharge; remote sensing; satellite imagery, India; Karnataka; Mandya; Nagamangala
Subjects: Faculty of Science > Environmental and Biological Sciences > Environmental Science
Faculty of Science > Earth Sciences > Geology
Divisions: Jnana Bharathi / Central College Campus > Department of Geology
Depositing User: Mr. Kirana Kumar D
Date Deposited: 17 Mar 2016 07:48
Last Modified: 17 Mar 2016 07:48
URI: http://eprints-bangaloreuniversity.in/id/eprint/2080

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