Articles | Volume 23, issue 2
Hydrol. Earth Syst. Sci., 23, 1199–1210, 2019
https://doi.org/10.5194/hess-23-1199-2019
Hydrol. Earth Syst. Sci., 23, 1199–1210, 2019
https://doi.org/10.5194/hess-23-1199-2019

Research article 01 Mar 2019

Research article | 01 Mar 2019

Seasonal origins of soil water used by trees

Scott T. Allen et al.

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Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (further review by editor) (23 Jan 2019) by Markus Weiler
AR by Scott T. Allen on behalf of the Authors (25 Jan 2019)  Author's response    Manuscript
ED: Publish subject to minor revisions (review by editor) (10 Feb 2019) by Markus Weiler
AR by Scott T. Allen on behalf of the Authors (11 Feb 2019)  Author's response    Manuscript
ED: Publish as is (21 Feb 2019) by Markus Weiler
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Short summary
We used stable isotopes of xylem water to study differences in the seasonal origin of water in more than 900 individual trees from three dominant species in 182 Swiss forested sites. We discovered that midsummer transpiration was mostly supplied by winter precipitation across diverse humid climates. Our findings provide new insights into tree vulnerability to droughts, transport of water (and thus solutes) in soils, and the climatic information conveyed by plant-tissue isotopes.