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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Cited articles

Bennett, G. G.: The Calculation of Astronomical Refraction in Marine Navigation, J. Navigation, 35, 255–259,, 1982. 
Biskaborn, B. K., Smith, S. L., and Noetzli, J.: Permafrost is warming at a global scale, Nat. Commun., 10, 1–11,, 2019. 
Brown, J., Ferrians Jr., O., Heginbottom, J., and Melnikov, E. (Eds.): Circum-Arctic map of permafrost and ground-ice conditions, Circum-Pacific Map Series CP-45, US Geological Survey, Reston, VA, USA, 1997. 
Brown, J., Hinkel, K. M. and Nelson, F. E.: The circumpolar active layer monitoring (CALM) program: Research designs and initial results, Polar Geogr., 24, 166–258,, 2000. 
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,, 2018. 
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.