Results 171 to 180 of about 3,588 (211)
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Geophysical & Astrophysical Fluid Dynamics, 1988
Abstract This is an attempt to predict the next fifteen years of geodynamo theory, and to assess the success potential of current directions of research. A new phenomenon, the subcriticality of a model-Z geodynamo, is described.
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Abstract This is an attempt to predict the next fifteen years of geodynamo theory, and to assess the success potential of current directions of research. A new phenomenon, the subcriticality of a model-Z geodynamo, is described.
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Nature, 2008
A decade of modelling Earth's core on computers has led to the belief that we understand what produces Earth's magnetic field. More realistic simulations are now shaking that complacency.
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A decade of modelling Earth's core on computers has led to the belief that we understand what produces Earth's magnetic field. More realistic simulations are now shaking that complacency.
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Physics World, 1990
The oldest rocks on Earth show that it has possessed a magnetic field for at least the last 3.5 billion years. This cannot be a remnant of a field trapped during its formation, because such a field would have decayed in about 15000 years, and would be incapable of the many polarity reversals observed in the geological record.
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The oldest rocks on Earth show that it has possessed a magnetic field for at least the last 3.5 billion years. This cannot be a remnant of a field trapped during its formation, because such a field would have decayed in about 15000 years, and would be incapable of the many polarity reversals observed in the geological record.
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Sustaining Earth’s magnetic dynamo
Nature Reviews Earth & Environment, 2022Maylis Landeau +2 more
exaly
Formation of current coils in geodynamo simulations
Nature, 2008Akira Kageyama, Takehiro Miyagoshi
exaly