Mountains in the Chaning World, Mountains in the Chaning World

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Water Availability under Climate Stress in a Hilly Settlement of Western Nepal
Ashmita Paudel, Dinesh Raj Bhuju, Giovanna Gioli

Last modified: 2017-08-24

Abstract


Many human settlements around the globe are dependent on groundwater. The effects of climate change on groundwater remain uncertain. The present study takes the case of the Tansen Drinking Water User Committee (TDWUC) - to evaluate the water demand and supply in its coverage area in Tansen, Palpa. This research attempts to analyze the climate trends of Palpa over the last 28 years (1987-2015), and the trend of groundwater recharge through rainfall using the Mann-Kendall trend tests. Underlying management and governance issues of the User Committee have been studied to assess their role in determining water availability in Tansen. Data were collected through scheduled survey, key informants interview (KII) and Focus Group Discussions (FGDs). The study found that the rate of temperature increase in the study area is 0.087°C per year with 5% level of significance and 95% confidence interval. Rainfall pattern and recharge rate did not show a significant trend. The total water demand and supply for Tansen municipality were found to be 2,926,000 liters and 840,000 liters per day respectively. The per capita demand and supply were found to be 283.19 liters per day and 81.3 liters per day respectively. The user committee was found to follow both top-down and bottom-up approach to governance. Participation was found to be encouraged, but gender and caste played an important role in participation, involvement, perception and awareness. Lack of management and protection of water sources, insufficient financial and technical capacities and incompetent pricing mechanisms were identified as the major causes of the water scarcity in Tansen.

 

Key words: Climate change, Groundwater Recharge, Water Availability, Mann-Kendall trend test


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