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Past and future variability in the hydrological regime of the Koshi basin, Nepal

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Title Past and future variability in the hydrological regime of the Koshi basin, Nepal
 
Creator Bharati, Luna
Gurung, Pabitra
Bhattarai, Utsav
 
Subject hydrology
models
climate change
adaptation
precipitation
monsoon climate
winter
river basins
soil management
assessment
water yield
 
Description Planning adaptation strategies in response to climate change (CC) can be a daunting task, especially in regions such as the Koshi Basin in the Himalayas; where CC impacts are still uncertain. This paper recommends targeting adaptation strategies by focusing on changes in variability between the past and future climates at smaller scales. The Soil and Water Assessment Tool (SWAT) and the Indicators of Hydrologic Alteration (IHA) are used for analysis. Results show: (i) higher maximum precipitation during monsoon and post-monsoon, and lower maximum precipitation during winter; (ii) increase in precipitation and flows in the trans mountain region during all seasons, except for flows during monsoon; (iii) increase in post-monsoon precipitation and routed flow volumes; (iv) decrease in precipitation during winter and routed flow volumes in all the regions, except the trans mountain region; and (v) increase in frequency of high peak flows and decrease in baseflows.
 
Date 2016-01-02
2015-03-17T14:39:56Z
2015-03-17T14:39:56Z
 
Type Journal Article
 
Identifier Bharati, Luna; Gurung, Pabitra; Bhattarai, Utsav. 2014. Past and future variability in the hydrological regime of the Koshi basin, Nepal. Hydrological Sciences Journal, 33p. (Online first). doi: http://dx.doi.org/10.1080/02626667.2014.952639
2150-3435
https://hdl.handle.net/10568/58410
https://doi.org/10.1080/02626667.2014.952639
Managing Resource Variability and Competing Use
 
Language en
 
Rights Limited Access
 
Publisher Informa UK Limited