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Finding Southern Hemisphere Climate Rhythm

The American Geophysical Union recently shined a research spotlight on AOES affiliate scientist Rocio Caballero Gill. Caballero-Gill and AOES faculty member Linda Hinnov analyze ancient sediments for clues about the evolution of climate in the past. In her paper with colleagues from Brown University and the US Geological Survey, Caballero-Gill found evidence of a 100,000 year cycle during the Pliocene Epoch, the period of geological history that lasted from about 5.3 to 2.6 million years ago. The cycle they document may be an important component in the pacing between ice ages and interglacials during the Pliocene.

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