Small farm dams: impact on river flows and sustainability in a context of climate change

Habets, F.; Philippe, E.; Martin, E.; David, C. H.; Leseur, F.

doi:https://doi.org/10.5194/hess-18-4207-2014

Articles | Volume 18, issue 10

https://doi.org/10.5194/hess-18-4207-2014

© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/hess-18-4207-2014

© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 18, issue 10

Research article

|

28 Oct 2014

Research article |

| 28 Oct 2014

Small farm dams: impact on river flows and sustainability in a context of climate change

F. Habets, E. Philippe, E. Martin, C. H. David, and F. Leseur

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Final revised paper (published on 28 Oct 2014)
Preprint (discussion started on 22 Nov 2013)

Interactive discussion

Status: closed

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

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- Supplement

RC C6819: 'review', Patrice Dumas, 19 Dec 2013
- AC C7993: 'Answer to reviewer Patrice Dumas', Florence Habets, 24 Feb 2014
SC C7404: 'Short comment: Small reservoir systems in north-eastern Brazil', Andreas Güntner, 23 Jan 2014
- AC C7999: 'Response to Interactive comment of Andreas G\"untner', Florence Habets, 24 Feb 2014
RC C8282: 'Small Farm Dams: Impact on River Flows and Sustainability in a Context of Climate Change', Anonymous Referee #2, 27 Mar 2014
- AC C8353: 'Answers to Reviewer #2', Florence Habets, 03 Apr 2014

Peer-review completion

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

ED: Reconsider after major revisions (16 Apr 2014) by Nandita Basu

AR by Florence Habets on behalf of the Authors (19 Apr 2014) Author's response Manuscript

ED: Referee Nomination & Report Request started (04 Jun 2014) by Nandita Basu

RR by Anonymous Referee #2 (16 Jul 2014)

Suggestions for revision or reasons for rejection

Title: Small farm dams: impact on river flows and sustainability in a context of climate change
Authors: Florence Habets, Elodie Philippe, Eric Martin, Cédric H. David, and Frédéric Leseur
Comments:
The authors have done a thorough job of responding to the substantive suggestions for clarification and revision. However, the paper continues to have problems with spelling, grammar and style, and in many cases the meaning is unclear. Additional revision to correct these issues remains necessary.
A few examples of such problems are given below. These examples, however, are merely representative and the problems are present throughout the manuscript.
Examples: Lines 9-15
It was found that, due to the hydrometeorological conditions (mainly precipitation), the development of small farm dams in north-western France would lead to larger decreases on the riverflows and to less efficient filling of the small farm dams than in other regions of France, so that in these regions, such dams might no be as efficient as expected to supply water to the farmer when they need it. Moreover, such behaviour is projected to worsen in a context of climate change, despite the uncertainty on the evolution of precipitation.
More precisely, evaporation from dams was considered to be equal to the evapotranspiration from the surrounded environment. As evaporation from water body is closed to the potential evaporation, the evaporation loss during the filling period was probably underestimated, especially for the 5-month filling period. Moreover, after the filling period, the evaporation losses from the small farm dams reduces the volume store, and thus, the ability of the small farm dams to supply water to the farmer is certainly overestimated in our simulations.
The basin scale allows to detail the results at fine temporal scale and to test several scenarios, while the France scale allows to have an overview of the spatial variability ....
As the presence of small farm dams is always reducing the river flows, in order to test the statistical significativity of the results, a bootstrap approach was used. Such approach allows verifying that the differences between the cases with and without dams are
Lines 435-441
Lines 182-183
Lines 195-198
statistical significant compared to a random rearrangement of the distribution obtained with the two cases.
Lines 212-213 In order to reduce the pumping in summer and its large effect on the hydrology, it is projected to increase the irrigation dam
facilities in the basin.

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ED: Publish subject to minor revisions (Editor review) (23 Jul 2014) by Nandita Basu

AR by Florence Habets on behalf of the Authors (06 Aug 2014) Author's response Manuscript

ED: Publish as is (19 Sep 2014) by Nandita Basu

AR by Eric Martin on behalf of the Authors (19 Sep 2014)