Geomagnetic polarity transitions
作者： Ronald T. Merrill , Phillip L. McFadden
DOI: 10.1029/1998RG900004
关键词: Geomagnetic pole 、 Earth's magnetic field 、 Geomagnetic excursion 、 Physics 、 Magnetic dipole 、 Outer core 、 Polarity (physics) 、 Dynamo theory 、 Geophysics 、 Geomagnetic secular variation
摘要: The top of Earth's liquid outer core is nearly 2900 km beneath Earth's surface, so we will never be able to observe it directly. This hot, dense, molten iron‐rich body is continuously in …
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