Morphometric Analysis of Upper Shimsha-1 Watershed, Tumkur District, Karnataka Using GIS and Remote Sensing Techniques
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2020-09-22T10:53:15Z
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Abstract
Globally the availability of fresh water is a limited resource and needs sustainable management of this resource. However, in certain area with changing water demand, there is a perceived sense of inadequate rainfall over the years and hence overall yield resulting of this precipitation. One such case is applicable for the upstream catchment (Upper Shimsha-1 watershed) of river Shimsha that originates in Tumkur district of Karnataka with changing agriculture practice and increase in population, water demand has increased that has often pushed for the need to draw water from other watersheds. Consequently, Tumkur district is fed with water drawn from river Hemavathy through human-made channels. Geographical Information System (GIS) is a known and effective tool in performing many operations like digitization, delineation of streams of a watershed and carry out a variety of spatial analysis. This tool can be efficiently used to carry out hydrological analysis and hence used for sustainable watershed management projects. Morphometric analysis is very essential and significant in all hydrological investigation for development and management of watershed. Quantitative morphometry has known to hold an important part in the hydrological processes. Watershed management is a term used to describe the process of implementing land use practices and water management practices to provide betterment in the quality of water and other natural resources within any watershed by properly utilizing the available areas of the land and also water bodies in a much profitable way. Hence from previous studies it is clear that the morphometric analysis based on GIS and remote sensing technique is very useful to understand the prevailing geo-hydrological characteristics and for watershed planning and management.
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D S ASMITA, DIVYA S KAMBALI, JENNIFER ROSE BIJU, MANIKYA H M, 1NH16CV030, 1NH16CV037, 1NH16CV045, 1NH16CV062