Peer-Review Record
Characterizing Extratropical Tropopause Bimodality and its Relationship to the Occurrence of Double Tropopauses Using COSMIC GPS Radio Occultation Observations
Remote Sens. 2020, 12(7), 1109; https://doi.org/10.3390/rs12071109
Reviewer 1:
Anonymous
Reviewer 2:
Anonymous
Remote Sens. 2020, 12(7), 1109; https://doi.org/10.3390/rs12071109
Submission received: 28 February 2020
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Revised: 21 March 2020
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Accepted: 25 March 2020
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Published: 31 March 2020
(This article belongs to the Special Issue GPS/GNSS for Earth Science and Applications)
Round 1
Reviewer 1 Report
See attached file.
Comments for author File: 
Comments.pdf
Author Response
Please see the attachment.
Author Response File: Author Response.pdf
Reviewer 2 Report
The authors explore extratropical tropopause bimodality connections to the occurrence of double tropopauses using observations. The literature review is well documented, and the methodology is clear. The results are clear and discussed in detail. My comments (minor) are as follows:
- Lines 135: What is the reason for the decrease in the number of samples in 2017?
- Lines 153: The interpolation may introduce errors? Has this been quantified?
- The method section can be simplified using a flow chart. It will also be easier to illustrate the steps that may introduce errors to the final results.
- There are no statistical tests conducted to confirm bimodality. This is crucial to substantiate the main findings of the paper.
- Figure 6: Is there any physical reasoning for the occurrence of double tropopause observed near the ITCZ from 0-120E? Statistical significance of these results would have been useful too.
Author Response
Please see the attachment.
Author Response File: Author Response.pdf
