2.8 Million years of arctic climate change from Lake El'gygytgyn, NE Russia

Martin Melles; Julie Brigham-Grette; Pavel S. Minyuk; Norbert R. Nowaczyk; Volker Wennrich; Robert M. DeConto; Patricia M. Anderson; Andrei A. Andreev; Anthony Coletti; Timothy L. Cook; Eeva Haltia-Hovi; Maaret Kukkonen; Anatoli V. Lozhkin; Peter Rosén; Pavel Tarasov; Hendrik Vogel; Bernd Wagner

doi:10.1126/science.1222135

2.8 Million years of arctic climate change from Lake El'gygytgyn, NE Russia

Martin Melles, Julie Brigham-Grette, Pavel S. Minyuk, Norbert R. Nowaczyk, Volker Wennrich, Robert M. DeConto, Patricia M. Anderson, Andrei A. Andreev, Anthony Coletti, Timothy L. Cook, Eeva Haltia-Hovi, Maaret Kukkonen, Anatoli V. Lozhkin, Peter Rosén, Pavel Tarasov, Hendrik Vogel, Bernd Wagner

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Abstract

The reliability of Arctic climate predictions is currently hampered by insufficient knowledge of natural climate variability in the past. A sediment core from Lake El'gygytgyn in northeastern (NE) Russia provides a continuous, high-resolution record from the Arctic, spanning the past 2.8 million years. This core reveals numerous "super interglacials" during the Quaternary; for marine benthic isotope stages (MIS) 11c and 31, maximum summer temperatures and annual precipitation values are ∼4° to 5°C and ∼300 millimeters higher than those of MIS 1 and 5e. Climate simulations show that these extreme warm conditions are difficult to explain with greenhouse gas and astronomical forcing alone, implying the importance of amplifying feedbacks and far field influences. The timing of Arctic warming relative to West Antarctic Ice Sheet retreats implies strong interhemispheric climate connectivity.

Original language	English (US)
Pages (from-to)	315-320
Number of pages	6
Journal	Science
Volume	337
Issue number	6092
DOIs	https://doi.org/10.1126/science.1222135
State	Published - Jul 20 2012

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Copyright 2015 Elsevier B.V., All rights reserved.

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Melles, M., Brigham-Grette, J., Minyuk, P. S., Nowaczyk, N. R., Wennrich, V., DeConto, R. M., Anderson, P. M., Andreev, A. A., Coletti, A., Cook, T. L., Haltia-Hovi, E., Kukkonen, M., Lozhkin, A. V., Rosén, P., Tarasov, P., Vogel, H., & Wagner, B. (2012). 2.8 Million years of arctic climate change from Lake El'gygytgyn, NE Russia. Science, 337(6092), 315-320. https://doi.org/10.1126/science.1222135

Melles, M, Brigham-Grette, J, Minyuk, PS, Nowaczyk, NR, Wennrich, V, DeConto, RM, Anderson, PM, Andreev, AA, Coletti, A, Cook, TL, Haltia-Hovi, E, Kukkonen, M, Lozhkin, AV, Rosén, P, Tarasov, P, Vogel, H & Wagner, B 2012, '2.8 Million years of arctic climate change from Lake El'gygytgyn, NE Russia', Science, vol. 337, no. 6092, pp. 315-320. https://doi.org/10.1126/science.1222135

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abstract = "The reliability of Arctic climate predictions is currently hampered by insufficient knowledge of natural climate variability in the past. A sediment core from Lake El'gygytgyn in northeastern (NE) Russia provides a continuous, high-resolution record from the Arctic, spanning the past 2.8 million years. This core reveals numerous {"}super interglacials{"} during the Quaternary; for marine benthic isotope stages (MIS) 11c and 31, maximum summer temperatures and annual precipitation values are ∼4° to 5°C and ∼300 millimeters higher than those of MIS 1 and 5e. Climate simulations show that these extreme warm conditions are difficult to explain with greenhouse gas and astronomical forcing alone, implying the importance of amplifying feedbacks and far field influences. The timing of Arctic warming relative to West Antarctic Ice Sheet retreats implies strong interhemispheric climate connectivity.",

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AU - Andreev, Andrei A.

AU - Coletti, Anthony

AU - Cook, Timothy L.

AU - Haltia-Hovi, Eeva

AU - Kukkonen, Maaret

AU - Lozhkin, Anatoli V.

AU - Rosén, Peter

AU - Tarasov, Pavel

AU - Vogel, Hendrik

AU - Wagner, Bernd

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2.8 Million years of arctic climate change from Lake El'gygytgyn, NE Russia

Abstract

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