Integrated Spatial Data of a Watershed for Planning

Hari Shanker Gupta Department of Geography University College, M.D. University Rohtak PIN-124001 (Haryana) INDIA PHONE : ++91-1262-59076 ® ++91-1262-74955 (O) FAX : ++91-1262 –74640 E-MAIL:[email protected] / ABSTRACT Geographic Information System (GIS) coupled with Remote Sensing has proved as a powerful tool in the field of land evaluation and management. Various studies have been reported across the world, illustrating the application of GIS in the evaluation and management of landform, soil and water resources. In the present study, GIS capabilities have been utilized to understand the erosional potential and slop stability characteristics of a small catchment zone from a highly important terrain segment of bio-diversity hot spots in peninsular India. A multithematic analysis based on different physical factors has been adopted to generate integrated maps on erosion proneness as well as on critical slope under a GIS platform for terrain evaluation. The spatial data on erosion proneness has demonstrated that 17.62 Square Km. Area, out of –140 Square Km. in the catchment zone, needs careful attention for Ecorestoration. In the critical slope map four land stability classes have been demarcated. The area represented as unstable and moderately stable is found to be important for slope stability problems. Temporal change as well as the extent of loss in the perennial status of tributaries has been recorded to evaluate the landform changes. A catchment treatment planhas also been suggested.