Articles | Volume 23, issue 10
Hydrol. Earth Syst. Sci., 23, 4367–4388, 2019
https://doi.org/10.5194/hess-23-4367-2019
Hydrol. Earth Syst. Sci., 23, 4367–4388, 2019
https://doi.org/10.5194/hess-23-4367-2019

Research article 28 Oct 2019

Research article | 28 Oct 2019

New water fractions and transit time distributions at Plynlimon, Wales, estimated from stable water isotopes in precipitation and streamflow

Julia L. A. Knapp et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (further review by editor) (03 Sep 2019) by Thom Bogaard
AR by Julia Knapp on behalf of the Authors (04 Sep 2019)  Author's response    Manuscript
ED: Publish as is (11 Sep 2019) by Thom Bogaard
AR by Julia Knapp on behalf of the Authors (12 Sep 2019)  Author's response    Manuscript
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Short summary
We describe, present, and make publicly available two extensive data sets of stable water isotopes in streamwater and precipitation at Plynlimon, Wales, consisting of measurements at 7-hourly intervals for 17 months and at weekly intervals for 4.25 years. We use these data to calculate new water fractions and transit time distributions for different discharge rates and seasons, thus quantifying the contribution of recent precipitation to streamflow under different conditions.