Articles | Volume 26, issue 8
Hydrol. Earth Syst. Sci., 26, 1977–1991, 2022
https://doi.org/10.5194/hess-26-1977-2022
Hydrol. Earth Syst. Sci., 26, 1977–1991, 2022
https://doi.org/10.5194/hess-26-1977-2022
Research article
22 Apr 2022
Research article | 22 Apr 2022

A data-driven method for estimating the composition of end-members from stream water chemistry time series

Esther Xu Fei and Ciaran Joseph Harman

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Interactive discussion

Status: closed
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 revisions (further review by editor and referees) (10 Sep 2020) by Genevieve Ali
AR by Ciaran Harman on behalf of the Authors (21 Oct 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (30 Oct 2020) by Genevieve Ali
RR by Anonymous Referee #3 (06 Dec 2020)
RR by Anonymous Referee #2 (19 Dec 2020)
RR by Anonymous Referee #4 (19 Dec 2020)
ED: Publish subject to revisions (further review by editor and referees) (21 Dec 2020) by Genevieve Ali
AR by Ciaran Harman on behalf of the Authors (02 Jun 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (03 Jun 2021) by Genevieve Ali
RR by Anonymous Referee #4 (30 Jun 2021)
RR by Anonymous Referee #2 (01 Jul 2021)
ED: Reconsider after major revisions (further review by editor and referees) (02 Jul 2021) by Genevieve Ali
AR by Ciaran Harman on behalf of the Authors (20 Sep 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (15 Oct 2021) by Genevieve Ali
RR by Anonymous Referee #2 (07 Dec 2021)
ED: Publish subject to minor revisions (review by editor) (10 Dec 2021) by Genevieve Ali
AR by Ciaran Harman on behalf of the Authors (18 Jan 2022)  Author's response    Author's tracked changes    Manuscript
ED: Publish subject to technical corrections (14 Feb 2022) by Genevieve Ali
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Short summary
Water in streams is a mixture of water from many sources. It is sometimes possible to identify the chemical fingerprint of each source and track the time-varying contribution of that source to the total flow rate. But what if you do not know the chemical fingerprint of each source? Can you simultaneously identify the sources (called end-members), and separate the water into contributions from each, using only samples of water from the stream? Here we suggest a method for doing just that.