GEOSPATIAL APPLICATIONS IN MORPHOMETRIC ANALYSIS OF CHHOKRANALA MICRO-WATERSHED, DISTRICT RAIPUR, CHHATTISGARH, INDIA

Shalini Choubey, Prabhat Diwan

Abstract


Morphometric analysis of a micro-watershed (Chhokranala) area was carried out using remote sensing and Geographic Information System (GIS) techniques. Detailed drainage map of the area was prepared from the high resolution satellite image IRS 1C /1D, LISS-III and PAN data and Survey of India (SOI) toposheets. Updated drainage maps were used for the drainage pattern analysis of the study area, The Chhokranala micro-watershed shows a dendritic drainage pattern with moderate drainage texture. The bifurcation ratio in the watershed indicates normal watershed category. Geology, structural and geomorphological expression of the micro-watershed control the flow direction of the entire drainage network. The Geospatial applications have been used to prepare for development of water resources of Chhokranala micro-watershed. In this paper Authors have computed the morphometric aspects Linear, Areal, Relief , Based on all morphometric parameters analysis that the erosional development of the area by the stream has progressed well beyond maturity and that lithology has an influence in the drainage development, these studies are very useful for planning water harvesting and watershed development.

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