The <sup>18</sup>O ecohydrology of a grassland ecosystem – predictions and observations

Hirl, Regina T.; Schnyder, Hans; Ostler, Ulrike; Schäufele, Rudi; Schleip, Inga; Vetter, Sylvia H.; Auerswald, Karl; Baca Cabrera, Juan C.; Wingate, Lisa; Barbour, Margaret M.; Ogée, Jérôme

doi:https://doi.org/10.5194/hess-23-2581-2019

Articles | Volume 23, issue 6

https://doi.org/10.5194/hess-23-2581-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/hess-23-2581-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 23, issue 6

Research article

|

14 Jun 2019

Research article |

| 14 Jun 2019

The ¹⁸O ecohydrology of a grassland ecosystem – predictions and observations

Regina T. Hirl, Hans Schnyder, Ulrike Ostler, Rudi Schäufele, Inga Schleip, Sylvia H. Vetter, Karl Auerswald, Juan C. Baca Cabrera, Lisa Wingate, Margaret M. Barbour, and Jérôme Ogée

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Final revised paper (published on 14 Jun 2019)
Supplement to the final revised paper
Preprint (discussion started on 24 Jan 2019)
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: 'Reviewer Comments on Manuscript hess-2019-22', Matthias Beyer, 06 Mar 2019
- AC2: 'Reply to reviewer 1', Regina Hirl, 18 Apr 2019
RC2: 'Review of "The 18O ecohydrology of a grassland ecosystem – predictions and observations" by RT Hirl, H Schnyder, U Ostler, R Schäufele, I Schleip, SH Vetter, K Auerswald, JC Baca Cabrera, L Wingate, MM Barbour, J Ogée', Anonymous Referee #2, 15 Mar 2019
- AC1: 'Reply to reviewer 2', Regina Hirl, 18 Apr 2019

Peer-review completion

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

ED: Publish subject to revisions (further review by editor and referees) (24 Apr 2019) by Christine Stumpp

AR by Regina Hirl on behalf of the Authors (29 Apr 2019) Author's response Manuscript

ED: Publish as is (07 May 2019) by Christine Stumpp

Short summary

We evaluated the system-scale understanding of the propagation of the oxygen isotope signal (δ¹⁸O) of rain through soil and xylem to leaf water in a temperate drought-prone grassland. Biweekly δ¹⁸O observations of the water pools made during seven growing seasons were accurately reproduced by the ¹⁸O-enabled process-based model MuSICA. While water uptake occurred from shallow soil depths throughout dry and wet periods, leaf water ¹⁸O enrichment responded to both soil and atmospheric moisture.

The 18O ecohydrology of a grassland ecosystem – predictions and observations

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Interactive discussion

Peer-review completion

The ¹⁸O ecohydrology of a grassland ecosystem – predictions and observations