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Olsen et al. 2000

Olsen, N., Holme, R., Hulot, G., Sabaka, T., Neubert, T., Tøffner-Clausen, L., Primdahl, F., Jørgensen, J., Léger, J.-M., Barraclough, D., Bloxham, J., Cain, J., Constable, C., Golovkov, V., Jackson, A., Kotzé, P., Langlais, B., Macmillan, S., Mandea, M., Merayo, J., Newitt, L., Purucker, M., Risbo, T., Stampe, M., Thomson, A. and Voorhies, C. (2000). Ørsted Initial Field Model. Geophysical Research Letters 27: doi: 10.1029/2000GL011930. issn: 0094-8276.

Magnetic measurements taken by the ¿rsted satellite during geomagnetic quiet conditions around January 1, 2000 have been used to derive a spherical harmonic model of the Earth's magnetic field for epoch 2000.0. The maximum degree and order of the model is 19 for internal, and 2 for external, source fields; however, coefficients above degree 14 may not be robust. Such a detailed model exists for only one previous epoch, 1980. Achieved rms misfit is <2 nT for the scalar intensity and <3 nT for one of the vector components perpendicular to the magnetic field. For scientific purposes related to the ¿rsted mission, this model supercedes IGRF 2000. ¿ 2000 American Geophysical Union

BACKGROUND DATA FILES

	Abstract

Keywords
Geomagnetism and Paleomagnetism, Instruments and techniques

Journal
Geophysical Research Letters
http://www.agu.org/journals/gl/

Publisher
American Geophysical Union
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