International Association of Geomagnetism and Aeronomy International Union of Geodesy and Geophysics
Working Group V-MOD: Geomagnetic Field Modelling
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At the 2003 General Assembly in Sapporo, IAGA Division V reorganized. What was formerly Working Group V-8 is now V-MOD: Geomagnetic Field Modeling. The aim of Working Group V-MOD of Division V is to promote and coordinate international efforts to model and analyze the internal geomagnetic field and its secular variation on both global and regional scales. The Working Group holds business meetings and arranges symposiums at IAGA Scientific Assemblies and IUGG General Assemblies. You can read a brief history of WG V-MOD.

Business Meetings Minutes

IAGA Resolutions


Repeat Stations

Home page of WDMAM

10th Generation IGRF - Released 2005
The International Association of Geomagnetism and Aeronomy (IAGA) released the 10 th Generation International Geomagnetic Reference Field – the latest version of a standard mathematical description of the Earth's main magnetic field and used widely in studies of the Earth's deep interior, its crust and its ionosphere and magnetosphere. The coefficients for this degree and order 13 main field model were finalized by a task force of IAGA in January 2005. The IGRF is the product of a collaborative effort between magnetic field modellers and the institutes involved in collecting and disseminating magnetic field data from satellites and from observatories and surveys around the world. Before using the IGRF please look at the "Health Warning".

The latest International Geomagnetic Reference Field Model - IGRF10 - is also available for download or for online access from the British Geological Survey.

Task Group for the World Digital Magnetic Anomaly Map Project
Learn more about the IAGA Task Group for the World Digital Magnetic Anomaly Map (WDMAM) from this 13 page presentation (pdf 3.2 Kb). Minutes from the 2005 Project Meeting in Toulouse (pdf).

Chair: Stefan Maus

Cooperative Institute for Research in the Environmental Sciences
National Geophysical Data Center
325 Broadway
Boulder, CO 80305-3328 USA
Tel: +1 303 497 6522
Fax: +1 303 497 6513

Co-Chair: C. C. Finlay

Earth and Planetary Magnetism Group
Institut für Geophysik HPP Hönggerberg
Schafmattstrasse 30
8093 Zürich, Switzerland
Tel: +41- 44-6337528
Fax: +41- 44-6331065

For page content questions please contact: Stefan Maus
Webpage Maintained by: Susan McLean
Hosted by: World Data Center

Revised: 24 June 2008

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