Organisation profile

Head of division: Nils Olsen
The Division of Geomagnetism uses magnetic field measurements from satellites and ground stations to explore the Earth.

The magnetic field provides valuable knowledge about Earth's interior, because its slow variations reflect movements of the material in the core, rapid field changes depend on the electrical conductivity of the upper mantle, and because small wavelengths features can be used to map crustal structures. The magnetic field can also be used to explore the upper atmosphere (ionosphere and magnetosphere) and its connection with processes on the Sun.


The division’s activities primarily focus on:

  • measuring Earth's magnetic field
  • investigating the underlying physical processes producing the field and its variations
  • developing methods to separate the different contributions from the core, crust and the Earth's upper atmosphere (ionosphere and magnetosphere)
  • developing and calibrating instruments to measure the Earth's magnetic field, which are used in observatories around the world.



Contact information

Kgs. Lyngby
  • Phone: (+45) 4525 9500
  • Fax: (+45) 4525 9575
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  • Earth, Planets and Space

    ISSNs: 1343-8832

    Additional searchable ISSN (Electronic): 1880-5981

    Terra Scientific Publishing Company, Japan

    BFI (2019): BFI-level 1, Scopus rating (2018): CiteScore 2.58 SJR 1.209 SNIP 1.374, Web of Science (2019): Indexed yes, ISI indexed (2013): ISI indexed yes

    Indexed in DOAJ

    Central database


  • Geophysical Journal International

    ISSNs: 0956-540X

    Additional searchable ISSN (Electronic): 1365-246X

    Oxford University Press, United Kingdom

    BFI (2019): BFI-level 1, Scopus rating (2018): CiteScore 2.91 SJR 1.296 SNIP 1.35, Web of Science (2019): Indexed yes, ISI indexed (2013): ISI indexed yes

    Central database


  • Journal of Geophysical Research: Space Physics

    ISSNs: 2169-9380, 2169-9275, 2169-897X, 0196-2256, 2169-8953, 1934-8592, 2169-9097, 2169-9380, 2169-9313, 1934-8843, 2169-9003

    Additional searchable ISSN (Electronic): 2169-9402

    American Geophysical Union, United States

    Scopus rating (2018): CiteScore 3.49 SJR 1.964 SNIP 1.555, Web of Science (2019): Indexed yes, ISI indexed (2013): ISI indexed yes

    Central database


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