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Britannica online encyclopedia article on geomagnetic field (geophysics), The geomagnetic dynamo · Crustal magnetization · The ionospheric dynamo...
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geomagnetic field (geophysics), The ionospheric dynamo, Britannica Online Encyclopedia, Above the Earth's surface is the next source of magnetic field,
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As liquid metal passes through the stronger field, more current flows, which increases the field still further. This self-sustaining loop is known as the geomagnetic dynamo.
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These observations argue for a mechanism within the Earth's interior that continually generates the geomagnetic field. It has long been speculated that this mechanism is a convective dynamo operating in the Earth's fluid outer core, which surrounds its solid inner core, both being mainly composed of iron.
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Present research in geomagnetic dynamo theory aims to develop a physically realistic, mathematically solvable, self-reversing dynamo model1—one that...
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Lowes, F.J. & Wilkinson, I. 1963 Geomagnetic dynamo: a laboratory model. Nature 198, 1158-1160. Lowes, F.J. & Wilkinson, I. 1963 Geomagnetic dynamo: a laboratory model. Nature 198, 1158-1160. Online articles have much greater impact More about CiteSeer.IST Add search form to your site Submit documents Feedback ;
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Lowes, F.J. & Wilkinson, I. 1968 Geomagnetic dynamo: an improved laboratory model. Nature 219, 717-718. Lowes, F.J. & Wilkinson, I. 1968 Geomagnetic dynamo: an improved laboratory model. Nature 219, 717-718. Online articles have much greater impact More about CiteSeer.IST Add search form to your site Submit...
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Magnetohydrodynamical dynamos. Geodynamo simulations. Geomagnetic Dynamo Theory 7-11 April 2008. Dieter Schmitt. Geomagnetic Dynamo Theory...
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Encyclopedia: Dynamo theory
The Dynamo theory proposes a mechanism by which a celestial body such as the Earth generates a magnetic field. History of theory In 1905, shortly after composing his Special Relativity paper, Albert ...
en.wikipedia.org/wiki/Dynamo_theory |
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The study of MNR experimentally with liquid sodium was done in spherical geometry intended originally for study of the theory of a geomagnetic dynamo.
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