International Association of Geodesy

The International Association of Geodesy (IAG) is a constituent association of the International Union of Geodesy and Geophysics.

International Association of Geodesy
PredecessorEuropean Arc Measurement (German: Europäische Gradmessung)
Formation1886 (1886)
Typescholarly society
Purposeadvancement of geodesy
HeadquartersMasala, Kirkkonummi,  Finland
Region
worldwide
Parent organization
International Union of Geodesy and Geophysics
Websitewww.iag-aig.org
Formerly called
International Geodetic Association

Overview

The precursors to the IAG were arc measurement campaigns. The IAG was founded in 1862 as the Mitteleuropäische Gradmessung (Central European Arc Measurement), later became the Europäische Gradmessung (European Arc Measurement) in 1867, the Internationale Erdmessung (Association Geodésique Internationale in French and "International Geodetic Association" in English) in 1886, and took its present name in 1946.[1][2]

At present there are 4 commissions and one inter-commission committee:

  • Reference Frames
  • Gravity Field
  • Geodynamics and Earth Rotation
  • Positioning & Applications
  • Inter-commission Committee on Theory

The Global Geodetic Observing System (GGOS) is the observing arm of the IAG that focuses on proving the geodetic infrastructure to measure changes in the earth's shape, rotation and mass distribution.[3][4] The International GNSS Service (IGS), part of GGOS, archives and processes GNSS data from around the world.[5] IGS data is used in the 2021 reference frame (G2139) of WGS84.[6]

Journal

IAG sponsors the Journal of Geodesy, published by Springer.[7]

See also

References
  1. Torge, Wolfgang (2015). "From a Regional Project to an International Organization: The "Baeyer-Helmert-Era" of the International Association of Geodesy 1862–1916". IAG 150 Years. International Association of Geodesy Symposia. Vol. 143. Springer, Cham. pp. 3–18. doi:10.1007/1345_2015_42. ISBN 978-3-319-24603-1.
  2. Soler, T. (1997-02-01). "A profile of General Carlos Ibáñez e Ibáñez de Ibero: first president of the International Geodetic Association". Journal of Geodesy. 71 (3): 176–188. Bibcode:1997JGeod..71..176S. doi:10.1007/s001900050086. ISSN 1432-1394. S2CID 119447198.
  3. Plag, H.-P.; Pearlman, M. (2009). Global geodetic observing system meeting the requirements of a global society on a changing planet in 2020. Berlin: Springer. pp. 1–13. ISBN 978-3-642-02687-4.
  4. "GGOS - Global Geodetic Observing System - About". 176.28.21.212. IUGG. Retrieved 30 June 2018.
  5. Johnston, Gary; Riddell, Anna; Hausler, Grant (2017). "The International GNSS Service". Springer Handbook of Global Navigation Satellite Systems. pp. 967–982. doi:10.1007/978-3-319-42928-1_33. ISBN 978-3-319-42926-7.
  6. "(U) Recent Update to WGS 84 Reference Frame and NGA Transition to IGS ANTEX" (PDF). Retrieved 2023-01-15.
  7. Kusche, Jurgen. "New Guidelines for Manuscript Submission to the Journal of Geodesy". IAG Homepage. IAG.

General references



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