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Modeling snowmelt-runoff under climate scenarios in the Hunzanext term River basin, Karakoram Range, Northern Pakistan

A. Tahir A. 1 P. Chevallier 1 Y. Arnaud 2 L. Neppel 1 B. Ahmad 3
1 HSM - Hydrosciences Montpellier
2 CHYC
LTHE - Laboratoire d'étude des transferts en hydrologie et environnement
3 Director (Environment), Natural Resources Division
Abstract : A major proportion of flow in the Indus River is contributed by its snow and glacier-fed river catchments situated in the Karakoram Range. It is therefore essential to estimate the snowmelt runoff from these catchments (with no or scarce precipitation records) for water resources management. The snowmelt runoff model (SRM) integrated with MODIS remote-sensing snow cover products was selected to simulate the daily discharges and to study the climate change impact on these discharges in the previous termHunzanext term River basin (the snow- and glacier-fed sub-catchment of the Indus River). The results obtained suggest that the SRM can be used efficiently in the snow- and glacier-fed sub-catchments of the Upper Indus River Basin (UIB). The application of the SRM under future climate (mean temperature, precipitation and snow cover) change scenarios indicates a doubling of summer runoff until the middle of this century. This analysis suggests that new reservoirs will be necessary for summer flow storage to meet with the needs of irrigation supply, increasing power generation demand, flood control and water supply.
Keywords : Upper Indus River Basin (UIB) Hunza River basin MODIS Water resources management Snowmelt-Runoff Model Climate change
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Submitted on : Wednesday, December 7, 2011 - 4:41:32 PM
Last modification on : Wednesday, July 28, 2021 - 4:00:03 AM

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INSU | CNRS | HSM | AGROPOLIS | B3ESTE | UNIV-MONTPELLIER | IRSTEA | UNIV-SAVOIE | INRAE | UGA

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A. Tahir A., P. Chevallier, Y. Arnaud, L. Neppel, B. Ahmad. Modeling snowmelt-runoff under climate scenarios in the Hunzanext term River basin, Karakoram Range, Northern Pakistan. Journal of Hydrology, Elsevier, 2011, 409 (1-2), pp.104-117. ⟨10.1016/j.jhydrol.2011.08.035⟩. ⟨insu-00649335⟩

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