Groundwater development studies using remote sensing and GIS techniques in drought prone area of Chamarajanagar district, Karnataka, India

Nagaraju, D. and Mahadevaswamy, G. and Siddalingamurthy, S. and Nagesh, P.C. and Rao, K. and Pankaja, G.V. (2011) Groundwater development studies using remote sensing and GIS techniques in drought prone area of Chamarajanagar district, Karnataka, India. Nature Environment and Pollution Technology, 10 (4). pp. 661-664. ISSN 09726268

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While water supply is a crucial issue, there is an evidence to suggest that the quality of groundwater supplies is also under threat in recent years. This is the result of salinisation and increasing trend of groundwater exploitation and heterogeneous terrain condition of hard rock area posing major problem in groundwater exploration. Groundwater exploitation has been on the rise in Chamarajanagar district, Karnataka. Competing demands have grown in face of perennial water shortages, a situation which has been exaggerated by drought condition in the past decade. Integrated and environmentally sustainable development strategies have become inevitable for micro-level planning these days. Geographic Information System (GIS) was used for spatial analysis and integration. Geomedia Professional 5.1 GIS software was adopted in this process. The ranked maps were spatially integrated and the district area was divided into very good, good, moderate and low groundwater potential zones. Aquifer thickness map was generated by intersection of well inventory, sub-surface geological, geophysical and groundwater potential data. Based on aquifer thickness, aquifer was categorized into deep aquifer, shallow aquifer and moderately deep aquifer. By combining groundwater potential zone and aquifer thickness, the watershed area was reclassified into eleven priority zones, recommended for different agricultural practices, groundwaterdevelopment and management of aquifer recharge.

Item Type: Article
Additional Information: cited By 1
Uncontrolled Keywords: Agricultural practices; Aquifer recharge; Aquifer thickness; Drought conditions; Environmentally sustainable development; GIS software; Groundwater development; Groundwater exploitation; Groundwater exploration; Groundwater supply; Hard rocks; Heterogeneous terrains; Karnataka; Remote sensing and GIS; Salinisation; Salinization; Shallow aquifers; Spatial analysis; Sub-surfaces; Water shortages; Watershed areas, Aquifers; Drought; Geographic information systems; Groundwater resources; Integration; Planning; Remote sensing; Water management; Water supply, Recharging (underground waters), agricultural practice; aquifer; drought; exploitation; GIS; groundwater resource; hard rock; recharge; remote sensing; salinization; software; spatial analysis; sustainable development; water availability; water demand; water quality; water supply, Chamarajanagar; India; Karnataka
Subjects: Faculty of Science > Earth Sciences > Geology
Divisions: Jnana Bharathi / Central College Campus > Department of Geology
Depositing User: Mr. Kirana Kumar D
Date Deposited: 26 Mar 2016 10:31
Last Modified: 26 Mar 2016 10:31

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