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Title: Earth Rotation and Global Change
Authors: Gross, R. S.
Marcus, S. L.
Dickey, J. O.
Issue Date: 1993
Citation: EOS, Transactions of the AGU
American Geophysical Union: Geophysics
San Francisco, CA
Abstract: Global climate change, whether from natural or man-made causes, can be expected to lead to changes in the Earth's rotation. General Circulation Models (GCMs) of the atmosphere that have been used to study the effects of changes in the amount of atmospheric greenhouse gasses general predict the globally averaged temperature to increase by 1 degree to 4 degrees C during the next century. This temperature increase is not expected to occur uniformly over the globe, but should exhibit regional variations. This changing atmospheric temperature field will cause changes in the atmospheric wind field and hence in the atmospheric angular momentum (AAM). Since the angular momentum of the atmosphere-solid Earth system is conserved, a thermally-induced change in the AAM will cause consequent changes in the rotation of the solid Earth...
Appears in Collections:JPL TRS 1992+

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