Articles | Volume 26, issue 4
https://doi.org/10.5194/hess-26-1063-2022
https://doi.org/10.5194/hess-26-1063-2022
Research article
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24 Feb 2022
Research article | Highlight paper |  | 24 Feb 2022

Future water temperature of rivers in Switzerland under climate change investigated with physics-based models

Adrien Michel, Bettina Schaefli, Nander Wever, Harry Zekollari, Michael Lehning, and Hendrik Huwald

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Cited articles

Arora, R., Tockner, K., and Venohr, M.: Changing river temperatures in northern Germany: trends and drivers of change, Hydrol. Process., 30, 3084–3096, https://doi.org/10.1002/hyp.10849, 2016. a
AWA: Fliessgewässer, Bau-, Verkehrs- und Energiedirektion, Canton Bern, https://www.naturgefahren.sites.be.ch/naturgefahren_sites/de/index/aktuelle_wasserdaten.html (last access: 17 February 2022), 2019. a
AWEL: Messdate, Amt für Abfall, Wasser, Energie und Luft, Canton Zurich, https://www.zh.ch/de/baudirektion/amt-fuer-abfall-wasser-energie-luft.html (last access: 17 February 2022), 2019.  a
Barnett, T. P., Adam, J. C., and Lettenmaier, D. P.: Potential impacts of a warming climate on water availability in snow-dominated regions, Nature, 438, 303–309, https://doi.org/10.1038/nature04141, 2005. a
Bavay, M. and Egger, T.: MeteoIO 2.4.2: a preprocessing library for meteorological data, Geosci. Model Dev., 7, 3135–3151, https://doi.org/10.5194/gmd-7-3135-2014, 2014. a
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Short summary
This study presents an extensive study of climate change impacts on river temperature in Switzerland. Results show that, even for low-emission scenarios, water temperature increase will lead to adverse effects for both ecosystems and socio-economic sectors throughout the 21st century. For high-emission scenarios, the effect will worsen. This study also shows that water seasonal warming will be different between the Alpine regions and the lowlands. Finally, efficiency of models is assessed.
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