Asian Journal of Microbiology, Biotechnology & Environmental Sciences Paper

Vol 8, Issue 3, 2006; Page No.(489-498)

INTEGRATED APPROACH FOR SUSTAINABLE MANAGEMENT OF LAND AND WATER ENVIRONMENT IN SHIVANNAGUDEM WATERSHED USING REMOTE SENSING AND GIS

S. S. A SADI1, PADMAJA VUPPALA AND M. ANJI REDDY

Abstract

The increasing population growth is continuing to exert extra pressure on existing land and water resources all over the world. An imperative need for the development and judicious use of these resources is therefore essential for sustainable development of a region. India is a semi-arid region facing a severe stress of increasing population followed by unplanned utilization and management of natural resources. Rainfall in southern India is very erratic, unpredictable, uneven and distributed over a short period of 3-4 months. Out of 4000 billion cubic meters of rainfall received annually, 41% is lost as evaporation and transpiration, 40% lost as runoff into seas and 10% seeps in for recharging groundwater. Proper planning and utilization of this run-off water is essential for effective management and sustainable development of water resources. Keeping this in view, comprehensive evaluation and integrated land and water resources management study has been carried out for semi-arid region of Shivannagudem watershed of Andhra Pradesh in southern India. Remote sensing, which plays an important role in providing quick and accurate information about watershed characteristics, and GIS with its unique digital analysis techniques have been efficiently used for Shivannagudem watershed management. In the present study, AutoCAD is used for raster to vector conversion and ARC/INFO and Arc View GIS software are used for preparation of digital thematic and action plan maps for the watershed.

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