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Vulnerability Assessment of Arunachal Pradesh to Floods

Sanayanbi.H ,V.V.Zaphu, N.Monica, Vanlalremruatpuii TBC, A. Bandyopadhyay

Developing, testing and implementing indicators to identify and assess vulnerability to floods are an important pre-requisite for effective disaster risk reduction. In the present study, the vulnerability assessment of Arunachal Pradesh for flood has been carried out.Vulnerability as a function of weighted indicators of hazard, exposure and adaptive capacity has been determined using HEAV (Hazard/ Exposure/ Adaptive Capacity/ Vulnerability) methodology. Analytic Hierarchy Process (AHP) was used to assign weights to normalized indicators. Among 16 districts, for two districts (East Siang and Lohit), vulnerability index is more than 0.5 and flood prone area is more than 15%; for three districts (Papumpare, Lower Subansiri and Lower Dibang Valley), vulnerability index is less than 0.5 but flood prone area is more than 15%; for one district (Changlang), vulnerability index is more than 0.5 but flood prone area is less than 15%; and for rest ten districts, vulnerability index is less than 0.5 and flood prone area is also less than 15%. In Arunachal Pradesh, two districts, East Siang and Lohit are the hotspots for vulnerability to floods.