Articles | Volume 26, issue 8
https://doi.org/10.5194/hess-26-2073-2022
https://doi.org/10.5194/hess-26-2073-2022
Research article
 | 
27 Apr 2022
Research article |  | 27 Apr 2022

Xylem water in riparian willow trees (Salix alba) reveals shallow sources of root water uptake by in situ monitoring of stable water isotopes

Jessica Landgraf, Dörthe Tetzlaff, Maren Dubbert, David Dubbert, Aaron Smith, and Chris Soulsby

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Latest update: 20 Nov 2024
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Short summary
Using water stable isotopes, we studied from which water source (lake water, stream water, groundwater, or soil water) two willows were taking their water. We monitored the environmental conditions (e.g. air temperature and soil moisture) and the behaviour of the trees (water flow in the stem). We found that the most likely water sources of the willows were the upper soil layers but that there were seasonal dynamics.