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Authors: Cafarella, L.*
Di Mauro, D.*
Lepidi, S.*
Meloni, A.*
Editors: Capra, A.; Dipartimento di Ingegneria Meccanica e Civile, Università degli Studi di Modena e Reggio Emilia, Italy
Dietrich, R.; Institut für Planetare Geodasie, TU Dresden, 01062 Dresden, Germany
Title: Geomagnetic Observatories in Antarctica; State of the Art and a Perspective View in the Global and Regional Frameworks
Other Titles: An Overview in the IPY Perspective
Issue Date: Nov-2008
ISBN: 9783540748816
Keywords: Geomagnetic observatories
Secular variation
Abstract: The Earth is immersed in a planetary magnetic field. The field is generated in the Earth’s core and can be measured at its surface. It shows mainly a typical dipolar profile with the dipole axis roughly parallel to the Earth’s rotation axis (tilting about 12°). At low latitudes the field reaches its minimum, while its maximum intensity is observable in polar regions, reaching there almost three times its equatorial value. The region around the Earth where the geomagnetic field extends is known as the Earth’s magnetosphere. This region contains a very low density gas of electrically charged particles and is the space around the Earth where many electric and magnetic phenomena happen.
Appears in Collections:04.05.08. Instruments and techniques
Book chapters
01.03.99. General or miscellaneous
04.05.02. Geomagnetic field variations and reversals

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