Articles | Volume 30, issue 20
https://doi.org/10.5194/hess-30-6511-2026
https://doi.org/10.5194/hess-30-6511-2026
Research article
 | 
23 Oct 2026
Research article |  | 23 Oct 2026

Integrating a global glacier model into local hydrological modeling: Impacts on melt contributions

Justine Berg, Pascal Horton, Martina Kauzlaric, Alexandra von der Esch, and Bettina Schaefli

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Cited articles

Arnoux, M., Brunner, P., Schaefli, B., Mott, R., Cochand, F., and Hunkeler, D.: Low-flow behavior of alpine catchments with varying quaternary cover under current and future climatic conditions, J. Hydrol., 592, 125591, https://doi.org/10.1016/j.jhydrol.2020.125591, 2021. a, b
Bahr, D. B., Meier, M. F., and Peckham, S. D.: The physical basis of glacier volume‐area scaling, J. Geophys. Res.: Solid Earth, 102, 20355–20362, https://doi.org/10.1029/97JB01696, 1997. a
Barandun, M., Huss, M., Usubaliev, R., Azisov, E., Berthier, E., Kääb, A., Bolch, T., and Hoelzle, M.: Multi-decadal mass balance series of three Kyrgyz glaciers inferred from modelling constrained with repeated snow line observations, The Cryosphere, 12, 1899–1919, https://doi.org/10.5194/tc-12-1899-2018, 2018. a
Bartos, M.: pysheds: Simple and Fast Watershed Delineation in Python, GitHub [code], https://github.com/mdbartos/pysheds (last access: 5 October 2026), 2020. a
Berg, J., Horton, P., Kauzlaric, M., von der Esch, A., and Schaefli, B.: Modified Raven Hydrological Modelling Framework used for Berg et al. (2026, HESS) (Version paper1-hess), Zenodo [code], https://doi.org/10.5281/zenodo.21786366, 2026a. a
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Short summary
Snow and glacier melt are essential for water supply in mountain regions, but it is challenging to determine how much each source contributes to streamflow. To improve these estimates, we simulated 14 headwater catchments in Switzerland using a hydrological model modified to include snow redistribution and integrating glacier melt from a glacier evolution model. This allowed more accurate estimates of snow and glacier melt contributions, supporting future predictions of water availability.
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