Articles | Volume 17, issue 5
https://doi.org/10.5194/essd-17-1761-2025
https://doi.org/10.5194/essd-17-1761-2025
Data description paper
 | 
06 May 2025
Data description paper |  | 06 May 2025

Advancing geodynamic research in Antarctica: reprocessing GNSS data to infer consistent coordinate time series (GIANT-REGAIN)

Eric Buchta, Mirko Scheinert, Matt A. King, Terry Wilson, Achraf Koulali, Peter J. Clarke, Demián Gómez, Eric Kendrick, Christoph Knöfel, and Peter Busch

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Cited articles

Altamimi, Z., Rebischung, P., Métivier, L., and Collilieux, X.: ITRF2014: A new release of the International Terrestrial Reference Frame modeling nonlinear station motions, J. Geophys. Res.-Sol. Ea., 121, 6109–6131, https://doi.org/10.1002/2016JB013098, 2016. a
Altamimi, Z., Rebischung, P., Collilieux, X., Métivier, L., and Chanard, K.: ITRF2020: an augmented reference frame refining the modeling of nonlinear station motions, J. Geodesy, 97, 47, https://doi.org/10.1007/s00190-023-01738-w, 2023. a, b
Andrei, C.-O., Lahtinen, S., Nordman, M., Näränen, J., Koivula, H., Poutanen, M., and Hyyppä, J.: GPS Time Series Analysis from Aboa the Finnish Antarctic Research Station, Remote Sens., 10, 1937, https://doi.org/10.3390/rs10121937, 2018. a
Argus, D. F., Blewitt, G., Peltier, W. R., and Kreemer, C.: Rise of the Ellsworth mountains and parts of the East Antarctic coast observed with GPS, Geophys. Res. Lett., 38, L16303, https://doi.org/10.1029/2011GL048025, 2011. a
Argus, D. F., Peltier, W. R., Drummond, R., and Moore, A. W.: The Antarctica component of postglacial rebound model ICE-6G_C (VM5a) based on GPS positioning, exposure age dating of ice thicknesses, and relative sea level histories, Geophys. J. Int., 198, 537–563, https://doi.org/10.1093/gji/ggu140, 2014. a, b
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Geodetic GPS measurements in Antarctica have been used to track bedrock displacement, which is vital for understanding geodynamic processes such as plate motion and glacial isostatic adjustment. However, the potential of GPS data has been limited by its partially fragmented availability and unreliable metadata. A new dataset, which spans the period from 1995 to 2021, offers consistently processed coordinate time series for 286 GPS sites and promises to enhance future geodynamic research.
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