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Peer-Review Record

Investigation of Karst Spring Flow Cessation Using Grey System Models

Water 2019, 11(9), 1927; https://doi.org/10.3390/w11091927
by Yaru Guo 1,2, Tian-Chyi Jim Yeh 2,3 and Yonghong Hao 2,*
Reviewer 2: Anonymous
Water 2019, 11(9), 1927; https://doi.org/10.3390/w11091927
Submission received: 9 July 2019 / Revised: 6 September 2019 / Accepted: 12 September 2019 / Published: 15 September 2019
(This article belongs to the Section Hydrology)

Round 1

Reviewer 1 Report

See the annotated pdf manuscript for details. The treatment of the problem is mostly from a mathematical point of view. This is welcome, but some hydrological-hydrogeological considerations have to be added to try to explain the results derived numerically. Linking the effect of previous years to current spring discharge could be a new interesting contribution, which is the result of the compound effect of more complex situations. The fact that there is groundwater mining is an interesting one that could be linked to actually existing groundwater reserves and sustainability. Will the use of monthly data instead of yearly data improve the analysis?  

Comments for author File: Comments.pdf

Author Response

 Please the see attachments.

Author Response File: Author Response.doc

Reviewer 2 Report

Journal: Water

Manuscript ID: water-557862

Title: Investigation of karst spring flow cessation using grey system model

My comments are as follows:

In the abstract there is no need to give so much details about the study site as in Ln 14-16, i.e. from “For example..” to “May 1994”. Please remove.

In the conclusion of the abstract, you should link how the findings of your study will be useful for global researchers.

Please remove the grey system model from the keywords as it is better to avoid similar terms used in the title of the manuscript.

Ln 35: Please cite Deb et al. (2019a and 2019b) after “many parts of the world”.

Deb P, Kiem A.S., Willgoose G. (2019a) A linked surface water-groundwater modelling approach to more realistically simulate rainfall-runoff non-stationarity in semi-arid regions. Journal of Hydrology, 575, 273-291. https://doi.org/10.1016/j.jhydrol.2019.05.039

Deb P, Kiem A.S, Willgoose G. (2019b) Mechanisms influencing non-stationarity in rainfall-runoff relationships in southeast Australia. Journal of Hydrology, 571, 749-764. https://doi.org/10.1016/j.jhydrol.2019.02.025

The introduction is very poor. You need to discuss more on the problem statement, particularly, why is karst spring important and how does it affect the regional/catchment-scale hydrology. Also, the recent studies on karst springs (not only limited to studies in China as you have done).

You have to demonstrate the novelty of this study. Please revise the introduction by following some recent paper.

Discuss the climatology of the study site.

Which programming language did you use to solve the equations?

 

 

Author Response

Please see the attachment.

Author Response File: Author Response.doc

Round 2

Reviewer 2 Report

I am happy with the corrections done in the revised manuscript and feel it can be accepted in it's current form apart from the journal changes.

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