Geologic Approach to the Long-Term History of Atmospheric Circulation
- 15 February 1985
- journal article
- research article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 227 (4688) , 721-725
- https://doi.org/10.1126/science.227.4688.721
Abstract
Eolian dust preserved in deep-sea pelagic sediments can be used as a proxy indicator of paleoclimate. Analyses of the particle size, composition, and mass accumulation rate of dust grains provide independent evidence of the intensity of atmospheric circulation and the availability of material in the eolian source region. These data provide information on atmospheric circulation and on the climate of the source area at time scales ranging from 10 3 to 10 8 years and have the potential to test computer-generated global circulation models.Keywords
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