2.8 Million Years of Arctic Climate Change from Lake El’gygytgyn, NE Russia

Author:

Melles Martin1,Brigham-Grette Julie2,Minyuk Pavel S.3,Nowaczyk Norbert R.4,Wennrich Volker1,DeConto Robert M.2,Anderson Patricia M.5,Andreev Andrei A.1,Coletti Anthony2,Cook Timothy L.2,Haltia-Hovi Eeva4,Kukkonen Maaret1,Lozhkin Anatoli V.3,Rosén Peter6,Tarasov Pavel7,Vogel Hendrik1,Wagner Bernd1

Affiliation:

1. Institute of Geology and Mineralogy, University of Cologne, Zuelpicher Strasse 49a, D-50674 Cologne, Germany.

2. Department of Geosciences, University of Massachusetts, 611 North Pleasant Street, Amherst, MA 01003, USA.

3. Far East Branch Russian Academy of Sciences, North-East Interdisciplinary Scientific Research Institute, 16 Portovaya Street, 685000 Magadan, Russia.

4. Helmholtz Centre Potsdam, GFZ German Research Centre for Geosciences, Telegrafenberg C321, D-14473 Potsdam, Germany.

5. Department of Earth and Space Sciences, University of Washington, Box 351310, Seattle, WA 98195–1310, USA.

6. Climate Impacts Research Centre, Umeå University, SE-981 07 Abisko, Sweden.

7. Institute of Geological Sciences, Free University Berlin, Malteserstrasse 74-100, Haus D, D-12249 Berlin, Germany.

Abstract

Crater Core The high-northern latitudes of the Arctic have an important influence on climate and constitute a region with a unique array of complex feedbacks that make it difficult to understand the workings of its climate. Melles et al. (p. 315 , published online 21 June) developed a 2.8-million-year record of Arctic climate, using a sediment core from a lake in northeastern Russia that was formed more than 3.5 million years ago by a meteorite impact. Pronounced glacial episodes began 2.6 million years ago but did not achieve orbital pacing for another 700,000 years.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference105 articles.

1. ACIA Arctic Climate Impact Assessment (Cambridge Univ. Press Cambridge 2005).

2. J. Christensen et al . in Fourth Assessment Report of the Intergovernmental Panel on Climate Change (Cambridge Univ. Press Cambridge 2007) pp. 847–940.

3. Arctic amplification: can the past constrain the future?

4. High-resolution record of Northern Hemisphere climate extending into the last interglacial period

5. A Synthesis of the Long-Term Paleoclimatic Evolution of the Arctic

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