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Melting Ice Sheets 400,000 Yr Ago Raised Sea Level By 13 M: Past Analogue For Future Trends, David Roberts, Panagiotis Karkanas, Zenobia Jacobs, Curtis Marean, Richard Roberts
Melting Ice Sheets 400,000 Yr Ago Raised Sea Level By 13 M: Past Analogue For Future Trends, David Roberts, Panagiotis Karkanas, Zenobia Jacobs, Curtis Marean, Richard Roberts
Richard G Roberts
Marine Isotope Stage (MIS) 11 was possibly the longest (∼423,000–362,000 yr ago) and warmest interglacial of the entire Quaternary Period. This resulted from a special arrangement of Earth's orbital parameters-similar to the present interglacial (MIS 1)-suggesting that MIS 11 provides an analogue for future natural climate forcing and sea levels. Although precise documentation of MIS 11 sea level history is, therefore, crucial – especially considering additional impetus from anthropogenic warming – the maximum MIS 11 sea level remains highly contentious. Estimates from onshore indicators have ranged from below present sea level to about +20 m, resulting from uncertainties in reliability …