Geomagnetic fluctuations reveal stable stratification at the top of the Earth’s core

Bruce Buffett ()
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Bruce Buffett: University of California

Nature, 2014, vol. 507, issue 7493, 484-487

Abstract: MAC waves (arising from magnetic, Archimedes and Coriolis forces) in the liquid core indicate a 140-kilometre-thick stratified layer on top of the Earth’s core and account for the 60-year geomagnetic fluctuations observed in the Earth’s geomagnetic field.

Date: 2014
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DOI: 10.1038/nature13122

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