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Abstract
Nandakini River is a tributary of Ganga located in the central Himalayas of the Indian state of Uttarakhand. The area lies in the upper Ganga basin of the Himalayan rugged train. Landslide susceptibility mapping is of the foremost importance in an area like this one. It is required to alert the people. For the present study, eleven responsible causatives were considered namely drainage density, drainage, elevation, geology, geomorphology, groundwater depth, LULC, NDVI, rainfall, slope, and temperature. Analytical Hierarchy Process has been used to prioritize the factors. The degree of slope varies from 0 to 84. 54 where the high slope is in the northeastern and the low is in the northwestern part. Elevation varies from 827 meters to 6586 meters. Drainage density (0 to 4.67/sq.km), Rainfall (1224 to 1230 mm), Groundwater depth (41.79 to 42.29) etc. All the hydrological factors also accelerate landslide susceptibility. Rugged geomorphology with vulnerable geology helps the region to be landslide prone. The final landslide susceptible map indicates the area is highly vulnerable to landslides.
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