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

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Title: 2.8 Million Years of Arctic Climate Change from Lake El'gygytgyn, NE Russia. (cover story)
Authors: Melles, Martin, Brigham-Grette, Julie, Minyuk, Pavel S., Nowaczyk, Norbert R., Wennrich, Volker, DeConto, Robert M., Anderson, Patricia M., Andreev, Andrei A., Coletti, Anthony, Cook, Timothy L., Haltia-Hovi, Eeva, Kukkonen, Maaret, Lozhkin, Anatoli V., Rosén, Peter, Tarasov, Pavel, Vogel, Hendrik, Wagner, Bernd
Source: Science (pre-March 2025). 7/20/2012, Vol. 337 Issue 6092, p315-320. 6p.
Subjects: Climate change research, Paleoclimatology, Lake sediment analysis, Ice cores, Benthic ecology, Radiative forcing, Glacial climates
Geographic Terms: Elgygytgyn Lake (Russia), Russia, Arctic regions
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. [ABSTRACT FROM AUTHOR]
Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: 2.8 Million Years of Arctic Climate Change from Lake El'gygytgyn, NE Russia. (cover story)
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  Data: <searchLink fieldCode="AR" term="%22Melles%2C+Martin%22">Melles, Martin</searchLink><br /><searchLink fieldCode="AR" term="%22Brigham-Grette%2C+Julie%22">Brigham-Grette, Julie</searchLink><br /><searchLink fieldCode="AR" term="%22Minyuk%2C+Pavel+S%2E%22">Minyuk, Pavel S.</searchLink><br /><searchLink fieldCode="AR" term="%22Nowaczyk%2C+Norbert+R%2E%22">Nowaczyk, Norbert R.</searchLink><br /><searchLink fieldCode="AR" term="%22Wennrich%2C+Volker%22">Wennrich, Volker</searchLink><br /><searchLink fieldCode="AR" term="%22DeConto%2C+Robert+M%2E%22">DeConto, Robert M.</searchLink><br /><searchLink fieldCode="AR" term="%22Anderson%2C+Patricia+M%2E%22">Anderson, Patricia M.</searchLink><br /><searchLink fieldCode="AR" term="%22Andreev%2C+Andrei+A%2E%22">Andreev, Andrei A.</searchLink><br /><searchLink fieldCode="AR" term="%22Coletti%2C+Anthony%22">Coletti, Anthony</searchLink><br /><searchLink fieldCode="AR" term="%22Cook%2C+Timothy+L%2E%22">Cook, Timothy L.</searchLink><br /><searchLink fieldCode="AR" term="%22Haltia-Hovi%2C+Eeva%22">Haltia-Hovi, Eeva</searchLink><br /><searchLink fieldCode="AR" term="%22Kukkonen%2C+Maaret%22">Kukkonen, Maaret</searchLink><br /><searchLink fieldCode="AR" term="%22Lozhkin%2C+Anatoli+V%2E%22">Lozhkin, Anatoli V.</searchLink><br /><searchLink fieldCode="AR" term="%22Rosén%2C+Peter%22">Rosén, Peter</searchLink><br /><searchLink fieldCode="AR" term="%22Tarasov%2C+Pavel%22">Tarasov, Pavel</searchLink><br /><searchLink fieldCode="AR" term="%22Vogel%2C+Hendrik%22">Vogel, Hendrik</searchLink><br /><searchLink fieldCode="AR" term="%22Wagner%2C+Bernd%22">Wagner, Bernd</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 7/20/2012, Vol. 337 Issue 6092, p315-320. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Climate+change+research%22">Climate change research</searchLink><br /><searchLink fieldCode="DE" term="%22Paleoclimatology%22">Paleoclimatology</searchLink><br /><searchLink fieldCode="DE" term="%22Lake+sediment+analysis%22">Lake sediment analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Ice+cores%22">Ice cores</searchLink><br /><searchLink fieldCode="DE" term="%22Benthic+ecology%22">Benthic ecology</searchLink><br /><searchLink fieldCode="DE" term="%22Radiative+forcing%22">Radiative forcing</searchLink><br /><searchLink fieldCode="DE" term="%22Glacial+climates%22">Glacial climates</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Elgygytgyn+Lake+%28Russia%29%22">Elgygytgyn Lake (Russia)</searchLink><br /><searchLink fieldCode="DE" term="%22Russia%22">Russia</searchLink><br /><searchLink fieldCode="DE" term="%22Arctic+regions%22">Arctic regions</searchLink>
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  Label: Abstract
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  Data: 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. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=78200026
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        Value: 10.1126/science.1222135
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        Text: English
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        StartPage: 315
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      – SubjectFull: Climate change research
        Type: general
      – SubjectFull: Paleoclimatology
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      – SubjectFull: Lake sediment analysis
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      – SubjectFull: Ice cores
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      – SubjectFull: Benthic ecology
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      – SubjectFull: Radiative forcing
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      – SubjectFull: Elgygytgyn Lake (Russia)
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      – SubjectFull: Arctic regions
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