Effects of climatic seasonality on the isotopic  composition of evaporating soil waters

Benettin, Paolo; Volkmann, Till H. M.; von Freyberg, Jana; Frentress, Jay; Penna, Daniele; Dawson, Todd E.; Kirchner, James W.

doi:https://doi.org/10.5194/hess-22-2881-2018

Articles | Volume 22, issue 5

https://doi.org/10.5194/hess-22-2881-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/hess-22-2881-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 22, issue 5

Research article

| Highlight paper

|

15 May 2018

Research article | Highlight paper |

| 15 May 2018

Effects of climatic seasonality on the isotopic composition of evaporating soil waters

Paolo Benettin, Till H. M. Volkmann, Jana von Freyberg, Jay Frentress, Daniele Penna, Todd E. Dawson, and James W. Kirchner

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Final revised paper (published on 15 May 2018)
Supplement to the final revised paper
Preprint (discussion started on 31 Jan 2018)
Supplement to the preprint

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'Insightful analysis of seasonal isotopic composition of soil water under evaporation', Anonymous Referee #1, 16 Feb 2018
- AC1: 'reply to RC1', Paolo Benettin, 13 Apr 2018
RC2: 'review report', Anonymous Referee #2, 16 Apr 2018
- AC2: 'Response to RC2', Paolo Benettin, 17 Apr 2018

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Publish subject to technical corrections (17 Apr 2018) by Markus Hrachowitz

AR by Paolo Benettin on behalf of the Authors (24 Apr 2018) Author's response Manuscript

Short summary

Evaporation causes the isotopic composition of soil water to become different from that of the original precipitation source. If multiple samples originating from the same source are available, they can be used to reconstruct the original source composition. However, soil water is influenced by seasonal variability in both precipitation sources and evaporation patterns. We show that this variability, if not accounted for, can lead to biased estimates of the precipitation source water.