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https://doi.org/10.5194/essd-2025-223
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-2025-223
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
16 Jun 2025
| 16 Jun 2025
Status: this preprint is currently under review for the journal ESSD.
Monitoring the Earth's deformation with the SPOTGINS series
Abstract. A distributed Global Navigation Satellite System analysis center, designated SPOTGINS, has been established by several research groups that utilize the GINS software and the CNES-CLS precise products. Despite the heterogeneity in their research objectives, the SPOTGINS members apply the same configuration and metadata. The computed global ambiguity-fixed precise point positioning time series are fully consistent among the members, and are subsequently published as a single product. This product facilitates a range of research activities, including but not limited to the precise monitoring of the Earth’s deformation and the water vapor content of the troposphere. A comparison of the SPOTGINS series with published series from the Nevada Geodetic Laboratory solution shows no significant difference in quality.
How to cite. Santamaría-Gómez, A., Boy, J.-P., Feriol, F., Gravelle, M., Loyer, S., Nahmani, S., Nicolas, J., García Pallero, J. L., Panetier, A., Pollet, A., and Sakic, P.: Monitoring the Earth's deformation with the SPOTGINS series, Earth Syst. Sci. Data Discuss. [preprint], https://doi.org/10.5194/essd-2025-223, in review, 2025.
Publisher's note: Copernicus Publications remains neutral with regard to jurisdictional claims made in the text, published maps, institutional affiliations, or any other geographical representation in this preprint. The responsibility to include appropriate place names lies with the authors.
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SPOTGINS GNSS position and tropospheric delay series Alvaro Santamaría-Gómez et al. https://doi.org/10.24400/170160/20250414
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Alvaro Santamaría-Gómez
CORRESPONDING AUTHOR
Geosciences Environnement Toulouse, Université Paul Sabatier, CNES, CNRS, IRD, UPS, Toulouse, France
Centre National d’Etudes Spatiales, Toulouse, France
Jean-Paul Boy
Institut Terre-Environnement Strasbourg, Université de Strasbourg, ENGEES, Strasbourg, France
Florent Feriol
Geosciences Environnement Toulouse, Université Paul Sabatier, CNES, CNRS, IRD, UPS, Toulouse, France
Médéric Gravelle
Littoral Environnement et Sociétés (LIENSs), CNRS, La Rochelle University, La Rochelle, France
Sylvain Loyer
Localisation & Orbitographie, Collecte Localisation Satellite, Ramonville Saint-Agne, France
Samuel Nahmani
Université Paris Cité, Institut de physique du globe de Paris, CNRS, IGN, Paris, France
Université Gustave Eiffel, ENSG, IGN, Paris, France
Joëlle Nicolas
Laboratoire Géomatique et Foncier, Cnam, Le Mans, France
José Luis García Pallero
ETSI en Topografía, Geodesia y Cartografía, Universidad Politécnica de Madrid, Madrid, Spain
Aurélie Panetier
Université Paris Cité, Institut de physique du globe de Paris, CNRS, IGN, Paris, France
Université Gustave Eiffel, ENSG, IGN, Paris, France
Arnaud Pollet
Université Paris Cité, Institut de physique du globe de Paris, CNRS, IGN, Paris, France
Université Gustave Eiffel, ENSG, IGN, Paris, France
Pierre Sakic
Université Paris Cité, Institut de physique du globe de Paris, CNRS, IGN, Paris, France
Short summary
SPOTGINS is a new cooperative of research groups producing a consistent and high-quality set of daily GNSS position and tropospheric delay time series. Each group processes a portion of the global station network using the same software, products, and corrections. These series allow for the understanding of small deformations of the Earth's surface at the millimeter level that include tectonics, earthquakes, ground subsidence, post-glacial rebound, hydrological loading, and volcanic deformation.
SPOTGINS is a new cooperative of research groups producing a consistent and high-quality set of...
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