Study and Mapping of Ground Water Prospect using Remote ... - IGU

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V.K.Srivastava, Devendra Nath Giri and Pawan BhardwajFigure 3. IRS LISS II standard FCC (Geo corrected) image of Dhanbad District.58Figure 4. Ground Water Table depth map (after CGWB Report, 2000).
Study and Mapping of Ground Water Prospect using Remote Sensing, GIS andGeoelectrical resistivity techniques – a case study of Dhanbad district, Jharkhand, Indiaas generated from US- Shuttle Radar TopographicMission (SRTM) data (Figure 5) with spatialresolution of 90 m down loaded from site www.srtm.csi.cgiar.org and checked with the aquiferdepths as interpreted from typical vertical electricalsounding (VES) curve carried out at selected points(Figure 6). In Figure 6 the first layer corresponds tosoil cover and weathered zone with depth around 5m and of 50 ohm meter resistivity value. This showsthe possibility of groundwater occurrence, in goodquantity, in this layer compared to the underlyinglayers. The first layer is underlain by semi weatheredFigure 5. SRTM -Digital Elevation Model (DEM) of Dhanbad District.Figure 6. Vertical Electrical Sounding Resistivity curve and modeled section.59
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Study and Mapping of Ground Water Prospect using Remote ... - IGU

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