340,000-Year Centennial-Scale Marine Record of Southern Hemisphere Climatic Oscillation
作者： Katharina Pahnke , Rainer Zahn , Henry Elderfield , Michael Schulz
关键词: Oceanography 、 Deglaciation 、 Geology 、 Glacial period 、 Ice-sheet model 、 Cryosphere 、 Antarctic Cold Reversal 、 Ice core 、 Ice sheet 、 Ice age
摘要: In order to investigate rapid climatic changes at mid-southern latitudes, we have developed centennial-scale paleoceanographic records from the southwest Pacific that enable detailed comparison with Antarctic ice core records. These suggest close coupling of latitudes climate during deglacial and interglacial periods. Glacial sections display higher variability than is seen in cores, which implies decoupling between mid- high southern due enhanced circum-Antarctic circulation. Structural temporal similarity Greenland record evident glacial suggests a degree interhemispheric synchroneity not predicted bipolar correlations.
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