From Risk to Resilience #6: Costs and Benefits of Flood Mitigation in the Lower Bagmati Basin: Case of Nepal Tarai and the North Bihar

Authors: Ajaya Dixit; Anil Pokhrel; Marcus Moench; The Risk to Resilience Study Team

This paper presents the results of a systematic, qualitative Cost-Benefit Analysis of embankment construction in the lower Bagmati River basin in Nepal and India. Using a unique Shared Learning Dialogue (SLD)-based qualitative cost-benefit analysis that also begins to quantify impacts, the paper provides insights into the trade-offs among strategies that are similar to, but more transparent than, those used in a full cost-benefit analysis. Additionally, it reveals the costs and benefits for different sections of the populations as opposed to just the society as a whole (which is typically the focus of traditional CBA). The focus of the qualitative CBA is to analyze the costs and benefits of both structural flood control measures, and a wide array of local, "people-centered" strategies. It shows that many of the current structural measures costs have exceeded their benefits and as a result, especially under the increasing uncertainty of climate change, more people-centric, flexible solutions will likely be more resilient.


Dixit, A., Pokhrel, A., Moench, M., & The Risk to Resilience Study Team. (2008). Costs and benefits of flood mitigation in the lower Bagmati basin: Case of Nepal Tarai and North Bihar (Risk to Resilience Working Paper No. 6). M. Moench, E. Caspari, & A. Pokhrel (Eds.). Kathmandu, Nepal: Institute for Social and Environmental Transition-Boulder, Institute for Social and Environmental Transition-Nepal, & Provention Consortium.


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