Articles | Volume 25, issue 9
Hydrol. Earth Syst. Sci., 25, 4983–4993, 2021
https://doi.org/10.5194/hess-25-4983-2021
Hydrol. Earth Syst. Sci., 25, 4983–4993, 2021
https://doi.org/10.5194/hess-25-4983-2021

Technical note 15 Sep 2021

Technical note | 15 Sep 2021

Technical note: Effects of iron(II) on fluorescence properties of dissolved organic matter at circumneutral pH

Kun Jia et al.

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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 minor revisions (further review by editor) (12 Oct 2020) by Marnik Vanclooster
ED: Reconsider after major revisions (further review by editor and referees) (12 Oct 2020) by Marnik Vanclooster
AR by Cara Manning on behalf of the Authors (23 Nov 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (14 Dec 2020) by Marnik Vanclooster
RR by Anonymous Referee #3 (23 May 2021)
ED: Publish subject to revisions (further review by editor and referees) (24 May 2021) by Marnik Vanclooster
AR by Cara Manning on behalf of the Authors (01 Jul 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (02 Jul 2021) by Marnik Vanclooster
RR by Anonymous Referee #3 (12 Jul 2021)
ED: Publish subject to minor revisions (review by editor) (04 Aug 2021) by Marnik Vanclooster
AR by Cara Manning on behalf of the Authors (09 Aug 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (10 Aug 2021) by Marnik Vanclooster
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Short summary
The effect of soluble reduced iron, Fe(II), on fluorescence data (excitation–emission matrix spectra parsed using parallel factor analysis) is difficult to quantitatively assign. We added varying quantities of Fe(II) into groundwater from an anaerobic aquifer. We showed that the overall fluorescence intensity decreased nonlinearly as Fe(II) increased from 1 to 306 mg L-1 but that the parallel factor analysis component distribution was relatively insensitive to Fe(II) concentration.