Global Positioning System interferometric reflectometry (GPS-IR) measurements of ground surface elevation changes in  permafrost areas in northern Canada

Zhang, Jiahua; Liu, Lin; Hu, Yufeng

doi:https://doi.org/10.5194/tc-14-1875-2020

Articles | Volume 14, issue 6

https://doi.org/10.5194/tc-14-1875-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/tc-14-1875-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 14, issue 6

Research article

|

12 Jun 2020

Research article |

| 12 Jun 2020

Global Positioning System interferometric reflectometry (GPS-IR) measurements of ground surface elevation changes in permafrost areas in northern Canada

Jiahua Zhang, Lin Liu, and Yufeng Hu

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Final revised paper (published on 12 Jun 2020)
Supplement to the final revised paper
Preprint (discussion started on 02 Sep 2019)
Supplement to the preprint

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review of GPS Interferometric Reflectometry measurements of ground surface elevation changes in permafrost areas in northern Canada by Jiahua Zhang et al.', Anonymous Referee #1, 15 Oct 2019
- AC1: 'responses to RC1', Jiahua ZHANG, 22 Jan 2020
SC1: 'Review', Felipe Geremia Nievinski, 22 Dec 2019
- AC3: 'Responses to SC1', Jiahua ZHANG, 22 Jan 2020
RC2: 'review', Anonymous Referee #2, 26 Dec 2019
- AC2: 'responses to RC2', Jiahua ZHANG, 22 Jan 2020

Peer-review completion

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

ED: Reconsider after major revisions (further review by editor and referees) (04 Mar 2020) by Claude Duguay

AR by Jiahua ZHANG on behalf of the Authors (29 Mar 2020) Author's response Manuscript

ED: Publish subject to minor revisions (review by editor) (12 Apr 2020) by Claude Duguay

AR by Jiahua ZHANG on behalf of the Authors (13 Apr 2020) Author's response Manuscript

ED: Publish as is (06 May 2020) by Claude Duguay

AR by Jiahua ZHANG on behalf of the Authors (12 May 2020)

Short summary

Ground surface in permafrost areas undergoes uplift and subsides seasonally due to freezing–thawing active layer. Surface elevation change serves as an indicator of frozen-ground dynamics. In this study, we identify 12 GPS stations across the Canadian Arctic, which are useful for measuring elevation changes by using reflected GPS signals. Measurements span from several years to over a decade and at daily intervals and help to reveal frozen ground dynamics at various temporal and spatial scales.