Working Paper Communication Version 1 This version is not peer-reviewed

Snowmelt and Snow Sublimation in the Indus Basin

Version 1 : Received: 26 July 2021 / Approved: 26 July 2021 / Online: 26 July 2021 (12:01:57 CEST)

How to cite: Gascoin, S. Snowmelt and Snow Sublimation in the Indus Basin. Preprints 2021, 2021070574 Gascoin, S. Snowmelt and Snow Sublimation in the Indus Basin. Preprints 2021, 2021070574

Abstract

The Indus basin is considered as the one with the highest dependence on snowmelt runoff in High Mountain Asia. The recent High Mountain Asia snow reanalysis enables to go beyond previous studies by evaluating both snowmelt and snow sublimation at the basin scale. Over 2000-2016, basin-average snowmelt is 101 11 Gt.a-1 (121 ± 13 mm.a-1), which represents about 25-30% of basin-average annual precipitation. Snow sublimation accounts for 11% of the mean annual snow ablation, but with a large spatial variability across the basin.

Keywords

snow; snowmelt; snow cover; sublimation; Indus; High Mountain Asia

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