SNOW MELT RUNOFF MODELLING USING DIFFERENT HYDROLOGICAL MODEL

Major source of freshwater for the downstream present at the reservoir is the runoff initiated by the snow melt, snow melt runoff is an important form of precipitation. Precipitation occurred during the winter season at the Himalayan region is the main cause of this snow cover but due to the increasing runoff rate the snow melt runoff has also shown sudden rise in it, which could result in significant flood risk as well, many researchers are already working on the studies related to snow melt runoff, as different models are being used for the snow-melt runoff modelling, two of these GIS based models used in large-scale are VIC and SWAT which are chosen for studies related to various snowmelt routines, ranging from energy balance to simple degree-day approaches respectively. Both the models require remote sensing data so the present study has been done as a review for these models, how they work and their advantages and disadvantages on the basis of literature work.