“Watershed Management of Chandwad Taluka, Using GIS & Remote Sensing Data”

Water Resources Geography

In the present study, groundwater prospect of Chandwad area has been delineated using remotely sensing data, base map of Geological Survey of India(GSI), ground truth data, and geographic information system. Based on these integrated studies, it has been noticed that the lithology of the area mainly consist vesicular/weathered basalt, massive and hard compact basalt belonging to cretaceous to early Eocene period. Based on hydro-geomorphological, geological and lineament mapping the Chand wad area can be qualitatively categorized into three groundwater potential units, viz. good, moderate and poor . The remotely sensed data provides synoptic viewing and repetitive coverage for thematic mapping of natural resources. In the present study hydro geomorphological mapping can be carried out in Chandwad for delineating groundwater potential zones. SRTM data in conjunction with Survey of India toposheet (1:50000 scale) and field inputs were used for thematic mapping. Geomorphic units identified through visual interpretation of FCC include: alluvial plain, plateau, valley fills, intermountain valleys, burried pediment, residual hills, and linear ridges. In addition, lineaments were mapped since they act as conduit for groundwater recharge.

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