International Association of Geomagnetism and Aeronomy

International Association
of Geomagnetism and Aeronomy

Abbreviation| IAGA
Formation| 1873
Type| INGO

Region served

| Worldwide

Official language

| English

President

| Andrew Yau
Canada[1]

Parent organization

| International Union of Geodesy and Geophysics
Website| IAGA Official website

The International Association of Geomagnetism and Aeronomy (IAGA) is an international scientific association that focuses on the study of terrestrial and planetary magnetism and space physics.

IAGA is one of the eight associations of the International Union of Geodesy and Geophysics. It is a non-governmental body funded through the subscriptions paid to IUGG by its member countries.[2] IAGA have been responsible for developing and maintaining the International Geomagnetic Reference Field, a reference for the magnetic field of the Earth that was adopted in 1968 and is updated every five years.[3] The most recent version is IGRF-12.[4]

## Contents

* 1 History
* 2 Commissions
* 3 See also
* 4 References
* 5 Further reading
* 6 External links

## History

IAGA has a long history and can trace its origins to the Commission for Terrestrial Magnetism and Atmospheric Electricity, part of the World Meteorological Organization originated from the International Meteorological Organization (IMO), which was founded in 1873. At the First IUGG General Assembly (Rome, 1922), the Section de Magnétisme et Electricité Terrestres became one of the constituent sections of the Union. At the IV IUGG General Assembly (Stockholm, 1930), it became the International Association of Terrestrial Magnetism and Electricity. It took its present name at the X IUGG General Assembly (Rome, 1954).[5]

## Commissions

IAGA is subdivided into the following divisions and commissions, each with working groups on subjects of interest:[6]

* Division I: Internal Magnetic Fields
* Division II: Aeronomic Phenomena
* Division III: Magnetospheric Phenomena
* Division IV: Solar Wind and Interplanetary Field
* Division V: Geomagnetic Observatories, Surveys and Analyses
* Division VI: Electromagnetic Induction in the Earth and Planetary Bodies
* Interdivisional Commission on Developing Countries
* Interdivisional Commission on History
* Interdivisional Commission on Education and Outreach
* Interdivisional Commission on Space Weather

## See also

* Intermagnet
* List of geoscience organizations

## References

1. ↑ "The IAGA Executive Committee 2023-2027". International Union of Geodesy and Geophysics. http://www.iaga-aiga.org/index.php?id=executive-committee. Retrieved 24 November 2023.
2. ↑ "About IAGA". International Union of Geodesy and Geophysics. http://www.iaga-aiga.org. Retrieved 6 July 2016.
3. ↑ Lastovicka, Jan (2009). GEOPHYSICS AND GEOCHEMISTRY – Volume II. EOLSS Publications. p. 188. ISBN 978-1-84826-246-1. https://books.google.com/books?id=Lr6cDAAAQBAJ&pg=PA188.
4. ↑ Thébault, Erwan; Finlay, Christopher C; Beggan, Ciarán D et al. (27 May 2015). "International Geomagnetic Reference Field: the 12th generation". Earth, Planets and Space 67 (1): 79. doi:10.1186/s40623-015-0228-9. Bibcode: 2015EP&S...67...79T.
5. ↑ Gubbins, David; Herrero-Bervera, Emilio (19 July 2007). Encyclopedia of Geomagnetism and Paleomagnetism. Springer Science & Business Media. pp. 407–408. ISBN 978-1-4020-4423-6. https://books.google.com/books?id=O-wA0ocxAiIC&pg=PA407. Retrieved 6 July 2016.
6. ↑ "IAGA Scientific Structure". International Union of Geodesy and Geophysics. http://www.iaga-aiga.org/about/. Retrieved 6 July 2016.

## Further reading

* Ridley, A.J. (7 July 2003). "International Association of Geomagnetism and Aeronomy". Geosciences: The Future. Free PDF download: IUGG Working Group. pp. 77–87. http://www.iugg.org/publications/reports/geosciences.pdf. Retrieved 9 July 2016.

## External links

* Official website

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