MORPHOMETRIC ANALYSIS AND NETWORKING OF STREAM CHARACTERISTICS IN RISHI KHOLA DRAINAGE BASIN, DARJEELING HIMALAYAS

Morphometric analysis is refers as quantitative evaluation of the earth surface and any kind of landform dimension with an ambition to enumerate the detail parameters of morpho-tectonic and also enduring of the hydrological condition of the region. Morphometric parameters considered for analysis includes different aspect of river basin. 3 major sub basins consist in this river basin such as Rishi khola itself, Relli khola and Mandam khola river basin. This study helps to know the Hydrological and Geomorphological characteristics of the basin. River change his course simultaneously and it flow its new channel. Morphological features in this river is too attract for people. Morphometry of river like Stream length, Bifurcation ratio, Mean length prepared beautiful river characteristics.