Articles | Volume 25, issue 6
Hydrol. Earth Syst. Sci., 25, 3577–3594, 2021
https://doi.org/10.5194/hess-25-3577-2021
Hydrol. Earth Syst. Sci., 25, 3577–3594, 2021
https://doi.org/10.5194/hess-25-3577-2021

Research article 23 Jun 2021

Research article | 23 Jun 2021

River runoff in Switzerland in a changing climate – changes in moderate extremes and their seasonality

Regula Muelchi et al.

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Cited articles

Addor, N., Rössler, O., Köplin, N., Huss, M., Weingartner, R., and Seibert, J.: Robust changes and sources of uncertainty in the projected hydrological regimes of Swiss catchments, Water Resour. Res., 50, 7541–7562, https://doi.org/10.1002/2014WR015549, 2014. 
Alderlieste, M., Van Lanen, H., and Wanders, N.: Future low flows and hydrological drought: How certain are these for Europe?, in: Proceedings of FRIEND-Water 2014, vol. 363, IAHS, Montpellier, 60–65, 2014. 
Allamano, P., Claps, P., and Laio, F.: Global warming increases flood risk in mountainous areas, Geophys. Res. Lett., 36, L24404, https://doi.org/10.1029/2009GL041395, 2009. 
Ban, N., Schmidli, J., and Schär, C.: Heavy precipitation in a changing climate: Does short-term summer precipitation increase faster?, Geophys. Res. Lett., 42, 1165–1172, https://doi.org/10.1002/2014GL062588, 2015. 
Beniston, M. and Stoffel, M.: Rain-on-snow events, floods and climate change in the Alps: Events may increase with warming up to 4 C and decrease thereafter, Sci. Total Environ., 571, 228–236, https://doi.org/10.1016/j.scitotenv.2016.07.146, 2016. 
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This study analyses changes in magnitude, frequency, and seasonality of moderate low and high flows for 93 catchments in Switzerland. In lower-lying catchments (below 1500 m a.s.l.), moderate low-flow magnitude (frequency) will decrease (increase). In Alpine catchments (above 1500 m a.s.l.), moderate low-flow magnitude (frequency) will increase (decrease). Moderate high flows tend to occur more frequent, and their magnitude increases in most catchments except some Alpine catchments.