In Eastern Himalayan region, snow melt is the major source of fresh water. Also, snow covered areas lying at low altitudes are expected to be most vulnerable to global warming. Thus, assessment of the snowmelt runoff under different climatic scenarios is important for efficient management and planning of water resources, which can be used towards mitigating the influence of climate change. Eastern Himalayan region of India with its unique topography and inaccessibility is lagging behind in the studies related to snow and glacier melt modelling and impact of climate change to water resources. Nuranang river catchment of Tawang River basin located in Tawang district of Arunachal Pradesh was selected as the study area for the present study.

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