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Morphometric analysis is an important in any hydrological study in urban areas like Bangalore city for development and management of drainage basin. Morphometric analysis of fourteen sub-watersheds comprising part of River Cauvery of Bangalore district have been carried out using Geographic Information System(GIS) and Survey of India (SOI) Topo-sheets numbers (57G/4,8,12,16,57H,1,2,3,5,6,7,9,10,11 and 13). The present study terrain exhibits Trellis to dendritic drainage pattern. There are 14 sub watersheds are coming under the SBMR (South Bangalore Metropolitan Region) of study area. Morphometrical study of the watershed have been analyzed through measurement of linear, aerial and relief aspects of basins by using GIS techniques in the preparation of detail drainage map. The parameters such as Rb, Dd, Fs, T, Lof and Ccm are calculated by using standard formula and prioritization has been done by using raster calculator option of spatial analyst. The stream orders varies from first order to sixth order in the basin and the total number of stream segments of all orders cumulated to11,134. The maximum area covers under Dakshina Pinakinisub-basin about 892.70Sqkm and Minimum of 24.42Sqkm in Edakolada Halla. The morphometric parameters ranges between Rb (9.67 to 22.56), Dd (1.942 to 136.57), FS (1.372 to 9.36), T (0.009to 0.0092), Rf (0.3342 to 1.6485), Rc (0.0259 to 0.267), Re (0.2171 to 1.05), Lof (0.9701to 68.2653) and Ccm (0.0073 to 0.5153).
[B.N.Krishna Murthy, Jagadeesha M.Kattimani and T. J. Renuka Prasad (2014); Morphometric Analysis of Cauvery Sub-watershed of South Bangalore Metropolitan Region of Karnataka, India Int. J. of Adv. Res. 2 (4). 0] (ISSN 2320-5407). www.journalijar.com
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