Technical note: Representing glacier geometry changes in a semi-distributed hydrological model

Seibert, Jan; Vis, Marc J. P.; Kohn, Irene; Weiler, Markus; Stahl, Kerstin

Glaciers play an important role in high-mountain hydrology. While changing glacier areas are considered of highest importance for the understanding of future changes in runoff, glaciers are often only poorly represented in hydrological models. Most importantly, the direct coupling between the simulated glacier mass balances and changing glacier areas needs feasible solutions. The use of a complex glacier model is often not possible due to data and computational limitations. The inline-formulaΔh parameterization is a simple approach to consider the spatial variation of glacier thickness and area changes. Here, we describe a conceptual implementation of the inline-formulaΔh parameterization in the semi-distributed hydrological model HBV-light, which also allows for the representation of glacier advance phases and for comparison between the different versions of the implementation. The coupled glacio-hydrological simulation approach, which could also be implemented in many other semi-distributed hydrological models, is illustrated based on an example application.

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Seibert, Jan / Vis, Marc J. P. / Kohn, Irene / et al: Technical note: Representing glacier geometry changes in a semi-distributed hydrological model. 2018. Copernicus Publications.

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