Characterizing natural drivers of water-induced disasters in a rain-fed watershed : hydro-climatic extremes in the extended East Rapti Watershed, Nepal

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IDL - 60432.pdf (246.22 KB)

Date

2021-04-29

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Elsevier

Abstract

This study characterized historical and projected future trends in climatic extremes, their spatial variations, hydrological extremes, and linkage between hydro climatic extremes for a rain-fed Extended East Rapti (EER) watershed in Central-Southern Nepal. Results show increasing trends in both precipitation and temperature extremes for the historical period (1980–2005) with a rate of 10–35% increase in monthly maximum 1-day precipitation, 10–50% increase in very wet days precipitation, and 15–60% increase in warm nights from the base period until the mid century. Hydrological alterations in terms of increasing extremes are also clearly visible. Government data reveals the most direct impact on communities are connected with the riverine ecosystem.

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Keywords

HYDROLOGY, WATERSHEDS, EXTREME WEATHER, CLIMATE CHANGE VULNERABILITY, PRECIPITATION, HEAT STRESS, FLOODS, LANDSLIDES, EVIDENCE-BASED PLANNING, DISASTER PREPAREDNESS, NEPAL, FAR EAST ASIA

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http://hdl.handle.net/10625/60432

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IDRC Research Results / Résultats de recherches du CRDI
2020-2029 / Années 2020-2029
Research Results (CC) / Résultats de recherches (CC)