Reports

Chronology for Fluctuations in Late Pleistocene Sierra Nevada Glaciers and Lakes

Science  01 Nov 1996:
Vol. 274, Issue 5288, pp. 749-751
DOI: 10.1126/science.274.5288.749

Abstract

Mountain glaciers, because of their small size, are usually close to equilibrium with the local climate and thus should provide a test of whether temperature oscillations in Greenland late in the last glacial period are part of global-scale climate variability or are restricted to the North Atlantic region. Correlation of cosmogenic chlorine-36 dates on Sierra Nevada moraines with a continuous radiocarbon-dated sediment record from nearby Owens Lake shows that Sierra Nevada glacial advances were associated with Heinrich events 5, 3, 2, and 1.

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