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HERO ID
9956939
Reference Type
Journal Article
Title
Water temperature increases in the river Rhine in response to climate change
Author(s)
Hardenbicker, P; Viergutz, C; Becker, A; Kirchesch, V; Nilson, E; Fischer, H
Year
2017
Is Peer Reviewed?
1
Journal
Regional Environmental Change
ISSN:
1436-3798
EISSN:
1436-378X
Volume
17
Issue
1
Page Numbers
299-308
DOI
10.1007/s10113-016-1006-3
Web of Science Id
WOS:000394157300023
Abstract
The present study analyzes climate change effects on the water temperature of the Rhine, one of the largest rivers in Central Europe. Simulation calculations were performed based on a range of climate and river flow projections for the near (2021-2050) and for the far future (2071-2100) compared to a reference period (1961-1990). Changes in mean annual water temperature in the near future range between +0.6 and +1.4 A degrees C and between +1.9 and +2.2 A degrees C in the far future (average of nine stations). Monthly mean values of the far future change in a more differentiated way by +0.4 to +1.3 A degrees C in spring and +2.7 to +3.4 A degrees C in late summer. The length of periods of high water temperature, expressed as successive days with water temperatures over 27 A degrees C, increases by a factor of four until 2100. These prolonged durations of periods with unusually high water temperatures may provoke changes in the food web and in the rates of biological processes in the Rhine.
Keywords
Climate change; Water quality model; Large river; Water temperature; Discharge
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