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Remote Sensing
Volume 14
Issue 15
10.3390/rs14153588
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Article
Peer-Review Record

Study of the Relationship between High Mountain Asia Snow Cover and Drought and Flood in the Yangtze River Basin during 1980–2019

Remote Sens. 2022, 14(15), 3588; https://doi.org/10.3390/rs14153588
by Heng Zhou 1,2,3, Lu Zhang 1,2,3,*, Xuting Liu 1,2,3, Dong Liang 1,2,3, Qi Zhu 1,2,3 and Yiting Gou 1,2,3
Reviewer 1: Anonymous
Reviewer 2:
Yuanhao Fang
Remote Sens. 2022, 14(15), 3588; https://doi.org/10.3390/rs14153588
Submission received: 25 May 2022 / Revised: 15 July 2022 / Accepted: 24 July 2022 / Published: 27 July 2022
(This article belongs to the Special Issue Unraveling the Hydrology of Himalayan Catchment Based on Remote Sensing Technology)

Round 1

Reviewer 1 Report

The paper is quite interesting, it focuses on the relationship and links between the snow depth in the high mountain Asia region and droughts in the Yangtze river basin. The study is perfromed using two datasets, the Palmer Drought Severity Index and the snow depth derived from satelllite observations in the microwave. Overall the paper is well written, the objectives and approach are clearly formulated, the results are presented and discusse in detail and conclusions are well justified. I do not have any comments except of a minor request to better explain what kind of snow depth is shown in Fig 1c. Is this the mean snow depth across the whole region averaged on a monthly time scale ?

 

My major concern however is that there is no remote sensing component in the paper and therefore the question is whether it really fits the scope of the Remote Sensing journal.

Author Response

Please see the attachment.

Author Response File: Author Response.docx

Reviewer 2 Report

This manuscript investigates the relationship between HMA snow cover and Yangtze river basin drought index (which is used to represents the flood and drought conditions of Yangtze river basin). The main approach used is SVD, which is widely used in meteorology community to identify the relationship between different climate variables.

 

The methodologies and results are clearly presented, the plots also look nice. I have a few concerns need to be addressed.

 

(1)  In discussion section, the authors imply the possible physical mechanisms for their findings. Is it possible to conduct another SVD analysis between HMA snow cover and precipitation to see if there is co-relation between snow cover and northward rain belt?

(2) Previous studies documented that there has been significant vegetation change in Yangtze river basin (e.g. 10.1016/j.ecolind.2018.03.029;10.1029/2021WR030382). Vegetation change can compensate the climate anomaly by snow cover dynamics. My question here is that is it necessary to consider such mechanism in analysis? Will this mechanism change the conclusion of this study? 

Author Response

Please see the attachment.

Author Response File: Author Response.docx

Round 2

Reviewer 2 Report

The authors have addressed my concerns. I think this masnuscprit can be accepted for publication now.

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