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Identification of Groundwater Prospective Zones by Using Remote Sensing and GIS in Tolgoit, Mongolia

Congress: 2008
Author(s):

Keyword(s): Remote sensing, Geographic Information Systems, groundwater, geomorphology, Digital elevation model, lithology, lineament, hydrogeology
AbstractThe groundwater resources in the area have not been fully exploited. The present study was undertaken to evaluate the groundwater prospective zones. Spatial data were interpreted visually to differentiate different hydromorphogeological units and to delineate the major trends of lineaments. The different geomorphic features identified are linear ridges, residual hills, and pediment, buried pediment and dissected pediplain, besides lineaments. The study shows that the pediplain and buried pediments are promising zones for groundwater prospecting. The occurrence and movement of groundwater is restricted to the unconsolidated material, weathered and fractured rocks. For the selection of tube well sites, geoelectrical resistivity investigations have been carried out at the sites, which were found suitable based on hydrogeomorphological and hydrogeological studies.
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