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Assessing vulnerability of local communities to landslides: a case study of Tehri Garhwal, Uttarakhand

Student name: Ms Shivangi Thapa
Guide: Dr Pritha Datta
Year of completion: 2024

Abstract:

The frequency of disastrous events is increasing due to environmental degradation, climate change, and human activities. Among these events, landslides are particularly significant as one of the most threatening and recurrent natural hazards. Uttarakhand, a state in India, accommodates approximately 10 million residents and serves as a hotspot for landslides. The study focuses on Tehri Garhwal district of Uttarakhand which holds the second position among districts prone to landslides, featuring more than two dozen landslide zones. The research assesses the vulnerability of local communities to landslides in Tehri Garhwal, Uttarakhand, using the indicator approach. The study evaluates vulnerability through three dimensions: exposure, sensitivity, and adaptive capacity. The Analytical Hierarchy Process (AHP) is used to assign weights to the indicators under each dimension. The overall vulnerability assessment shows that 54.29% of households are classified as low vulnerability, 21.43% moderate vulnerability, 14.29% high vulnerability, and 10% very high vulnerability. Key adaptive strategies identified include migration of household members, receipt of remittances, production of cash crops, and reduction of agricultural area.

Keywords: vulnerability, landslides, Tehri Garhwal, AHP method, exposure, sensitivity, adaptive capacity, household survey, adaptive strategies, disaster risk reduction.