Articles | Volume 14, issue 6
https://doi.org/10.5194/tc-14-1875-2020
https://doi.org/10.5194/tc-14-1875-2020
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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Cited articles

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Biskaborn, B. K., Smith, S. L., and Noetzli, J.: Permafrost is warming at a global scale, Nat. Commun., 10, 1–11, https://doi.org/10.1038/s41467-018-08240-4, 2019. 
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Chen, J., Liu, L., Zhang, T., Cao, B., and Lin, H.: Using Persistent Scatterer Interferometry to Map and Quantify Permafrost Thaw Subsidence: A Case Study of Eboling Mountain on the Qinghai-Tibet Plateau, J. Geophys. Res.-Earth, 123, 1–14, https://doi.org/10.1029/2018JF004618, 2018. 
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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.
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