Reports

Enhanced Atmospheric Circulation over North America During the Early Holocene: Evidence from Lake Superior

Science  06 Apr 1984:
Vol. 224, Issue 4644, pp. 61-63
DOI: 10.1126/science.224.4644.61

Abstract

Profiles of grain sizes in five cores recovered from Lake Superior show that grain size increased with burial depth to the postglacial-glacial contact. The results reflect a substantial reduction in bottom-current velocity and the corresponding wind velocity from 9500 to 6500 years ago.

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