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    Review of 'Assessing SDG indicator 6.4.2 “level of water stress” at major basins level'

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    Assessing SDG indicator 6.4.2 “level of water stress” at major basins levelCrossref
    This is a very interesting study. I enjoyed reading the manuscript.
    Average rating:
        Rated 4.5 of 5.
    Level of importance:
        Rated 5 of 5.
    Level of validity:
        Rated 4 of 5.
    Level of completeness:
        Rated 4 of 5.
    Level of comprehensibility:
        Rated 4 of 5.
    Competing interests:
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    Reviewed article

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    Assessing SDG indicator 6.4.2 “level of water stress” at major basins level

     Riccardo Biancalani (corresponding) ,  MIchela Marinelli (2021)
    This paper describes a method to disaggregate the indicator 6.4.2 (level of water stress) by major river basin. The analysis was performed using the GlobWat soil water balance model and global geospatial data consistent with national statistics published in AQUASTAT, the FAO’s global information system on water and agriculture. When a river basin spans across more than one country, the water stress calculated by country can be very different from that calculated by river basin since the counting of the renewable freshwater resources from one country to another is highly dependent on the official agreement and treaties that regulate the flow of those resources between countries. This problem is hydrologically solved once the accounting of the water resources is done on the major river basin as a whole. The disaggregation by river basin allows the identification of hotspots where actions should be prioritized and reveals that the area affected by a high or critical water stress spans across all continents with the exception of Oceania. It offers also the possibility of an analysis of freshwater withdrawals by sector, which may become crucial for the definition of water management policies in the context of the economic development of a country.
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      Review information

      10.14293/S2199-1006.1.SOR-GEO.AXKXS3.v1.RXSTNZ

      This work has been published open access under Creative Commons Attribution License CC BY 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Conditions, terms of use and publishing policy can be found at www.scienceopen.com.

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      Review text

      This is a very interesting study. I enjoyed reading the manuscript. Nevertheless, it needs some further improvements. In general, there are still some occasional grammar errors throughout the manuscript, especially the article "the," "a," and "an" is missing in many places; please make a spellchecking in addition to these minor issues. The reviewer has listed some specific comments that might help the authors further enhance the manuscript's quality.

      1. Specific Comments

      A list of acronyms is needed.

      • Introduction
      • The objectives should be more explicitly stated.
      • What is the novelty of this work?
      • Methods
      • All variables should be explained.
      • Results
      • This section is well written.
      • Discussion
      • The discussion should summarize the manuscript's main finding(s) in the context of the broader scientific literature and address any limitations of the study or results that conflict with other published work.

       

       

       

      Comments

      We thank the reviewer for his comments. A revised version of the paper has been submitted accordingly.

      2021-07-30 08:20 UTC
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