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The magnetic field changing over the southern African continent: a unique behaviour

GeoForschungsZentrum Potsdam, Telegrafenberg, Potsdam, Germany, e-mail: mioara{at}gfz-potsdam.de; monika{at}gfz-potsdam.de; dmozzoni{at}gfz-potsdam.de

Pieter Kotzé

Hermanus Magnetic Observatory, South Africa. e-mail: pkotze{at}hmo.ac.za

High-quality magnetic observations have been obtained in recent years from a number of satellite missions. The satellite-based magnetic data, combined with ground-based data (observatory and repeat station measurements), have provided unique opportunities for studying the magnetic field of the Earth’s core and its secular variation over the globe. The southern African continent (extending into the southern Atlantic Ocean) is an important area for such studies because of its intriguing field behaviour at both the Earth’s surface and at the core-mantle boundary. A few examples of recent improvements in our knowledge of the core’s magnetic field and its secular variation over this specific region are presented, together with future developments in this zone.

This article has been cited by other articles:

				M. Korte, M. Mandea, P. Kotze, E. Nahayo, and B. Pretorius Improved observations at the southern African geomagnetic repeat station network South African Journal of Geology, September 1, 2007; 110(2-3): 175 - 186. [Abstract] [Full Text] [PDF]

				P. B. Kotze, M. Mandea, and M. Korte Modelling the southern African geomagnetic field secular variation using ground survey data for 2005 South African Journal of Geology, September 1, 2007; 110(2-3): 187 - 192. [Abstract] [Full Text] [PDF]