MAPPING AND RECLAMATION OF WASTELANDS IN CHAMARAJANAGARA TALUK, SOUTHERN TIP OF KARNATAKA, INDIA USING GEOINFORMATICS TECHNIQUE

Abstract

Land and water are the most valuable natural resources which has importance in human’s daily life. Mapping and demarcation of wastelands was carried out in Chamarajanagara taluk, Karnataka, using geoinformatic techniques for proper maintenance in future use. The present aim is to map and reclaim the wasteland categories available in the study area for several implementation programs. Efforts have been made to evaluate these categories through Visual Image Interpretation Techniques (VIIT) on IRS-1C PAN+LISS-III in False Color Composite (FCC) and updated using Google Earth Image. Various litho units such as gneisses, charnockite, two-pyroxene granulite, amphibolite, migmatites and hornbled schists of Archean age were mapped. Geomorphological landforms were represented by denudational hills, residual hills, pediment, pediplain moderate, pediplain shallow weathered and valley; while each type of soils were also mapped. The final output highlights the demarcation and reclamation strategies of the study area for its sustainability using geoinformatics techniques.