Planning and Design of Sustainable Water Harvesting Structures using Geospatial System

Abstract

The most precious & essential resource on the earth surface is water for survival of life. Though the annual rainfall is between 900 to 1500 mm in southern region of India. From the southwest monsoon, still most part of the southern region of India experience water scarcity. To increase the ground water storage & surface water, water harvesting is widely suggested approach which traps the surface runoff effectively. The location to locate water harvesting structures is depends upon the availability of sufficient water quantity which enhance the infiltration. The analysis of these structures in regard of planning & site suitability involves consideration of multiple terrain and weather parameters. In this context, Remote & GIS technologies are widely adopted while planning and implementation of water harvesting structures. The aim of this paper is to identify suitable sites for water harvesting structures and to propose the design for it using geo-spatial data and GIS technology. In this study various sites are opted for development of water resource planning in Southern region of India using geospatial techniques. ArcGIS software is used for the spatial analysis and the intermediate layer was formed by overlying thematic maps of land cover land use, soil, slope, stream order map, runoff potential map.