Anatomy of simultaneous flood peaks at a lowland confluence

Geertsema, Tjitske J.; Teuling, Adriaan J.; Uijlenhoet, Remko; Torfs, Paul J. J. F.; Hoitink, Antonius J. F.

doi:https://doi.org/10.5194/hess-22-5599-2018

Articles | Volume 22, issue 10

https://doi.org/10.5194/hess-22-5599-2018

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

https://doi.org/10.5194/hess-22-5599-2018

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

Articles | Volume 22, issue 10

Research article

|

29 Oct 2018

Research article |

| 29 Oct 2018

Anatomy of simultaneous flood peaks at a lowland confluence

Tjitske J. Geertsema, Adriaan J. Teuling, Remko Uijlenhoet, Paul J. J. F. Torfs, and Antonius J. F. Hoitink

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Final revised paper (published on 29 Oct 2018)
Preprint (discussion started on 16 Apr 2018)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review of Geertsema et al', Paul Bates, 10 May 2018
- AC1: 'Response letter to the editor', Tjitske (T.J.) Geertsema, 13 Jul 2018
RC2: 'Review of the manusucript entitled "Anatomy of simultaneous flood peaks at a lowland confluence" by Tjitske J. Geertsema et al.', Anonymous Referee #2, 02 Jul 2018
- AC1: 'Response letter to the editor', Tjitske (T.J.) Geertsema, 13 Jul 2018

Peer-review completion

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

ED: Reconsider after major revisions (further review by editor and referees) (13 Jul 2018) by Fabrizio Fenicia

AR by Tjitske (T.J.) Geertsema on behalf of the Authors (09 Aug 2018) Manuscript

ED: Referee Nomination & Report Request started (29 Aug 2018) by Fabrizio Fenicia

RR by Anonymous Referee #2 (03 Oct 2018)

Suggestions for revision or reasons for rejection

I read the revised version of the manuscript by Tjitske J. Geertsema et al., entitled "Simultaneous flood peaks at a lowland confluence", with a great interest.

Authors propose to analyse the mechanisms leading to simultaneous flood event occurrence at river confluences.
I think the work is interesting and represent a good contribution to the research and to the HESS journal. The manuscript is well written and structured. The reading is smooth and easy.

I recommend to accept the manuscript after minor revisions. Please see my suggestions hereafter

The title should be improved: Authors removed the word anatomy from it, but now I think the title does not fully reflect the content of the paper.

Authors significantly improved the introduction. My only further suggestion would be to remove references to figures in the introduction and to try to keep it rather general (for instance, the problem of rainfall distribution is not specific to the Meuse basin, but it is rather often observed in many catchment around the word)

The numbering of figures has some issues (figure numbers ranging from 11 to 113).

Figure 113 and in the text, maybe I would suggest to replace “conceptual model” by something more appropriate as this is not strictly speaking a model.

P 7 line 19. Could you please check the resolution value given here (2.5 and 3.75 degrees represent rather large values. I cannot check myself as the website provided does not currently work).

Equation 5: Could you please indicate a reference for this equation. Could you please as well indicate the hypotheses that were made to come to this equation (I have to admit that it is the first time I see the flood wave travel time estimated like this, using the average water depth during the discharge peak).

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ED: Publish subject to technical corrections (11 Oct 2018) by Fabrizio Fenicia

AR by Tjitske (T.J.) Geertsema on behalf of the Authors (15 Oct 2018) Author's response Manuscript

Short summary

This study investigate the processes and effects of simultaneous flood peaks at a lowland confluence. The flood peaks are analyzed with the relatively new dynamic time warping method, which offers a robust means of tracing flood waves in discharge time series at confluences. The time lag between discharge peaks in the main river and its lowland tributaries is small compared to the wave duration; therefore the exact timing of discharge peaks may be little relevant to flood risk.