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Modelled atmospheric temperatures and global sea levels over the past million years

Richard Bintanja (), Roderik S.W. van de Wal and Johannes Oerlemans
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Richard Bintanja: Utrecht University
Roderik S.W. van de Wal: Utrecht University
Johannes Oerlemans: Utrecht University

Nature, 2005, vol. 437, issue 7055, 125-128

Abstract: Climate ups and downs The climate has passed through a series of glacials and interglacials over the past million years, but the nature of this cyclicity (in terms of temperature, ice volume and sea level), and the underlying causes, are not well known. Bintanja et al. use a new method to deduce a one-million-year time series of these variables. The reconstructed records are much longer than other methods have provided for any of these variables individually. The most intense glacial stages were 17 °C colder than today, and most of the continental ice was present in North America. Strong cooling in the beginning of glacials was found to precede ice-sheet build-up. These findings may shed light on the causes of ice age cycles.

Date: 2005
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DOI: 10.1038/nature03975

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