NASA NTRS · 20060041190
Differential Rotation within the Earth's Outer Core
Abstract
Non-steady differential rotation drive by bouyancy forces within the Earth's liquid outer core (OC) plays a key role not only in the generation of the main geomagnetic field by the magnetohydrodynamic (MHD) dynamo process but also in the excitation of irregular fluctuations in the angular speed of rotation of the overlying solid mantle, as evidenced by changes in the length of the day (LOD) on decadal and longer timescales (1-8).
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Hide, R., Boggs, D. H., Dickey, J. O.. 1998-03-01. Differential Rotation within the Earth's Outer Core. https://ntrs.nasa.gov/citations/20060041190
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