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Brigham-Grette, Julie; Melles, Martin; Minyuk, Pavel S; Andreev, Andrei A; Tarasov, Pavel E; DeConto, Robert M; König, Sebastian; Nowaczyk, Norbert R; Wennrich, Volker; Rosén, Peter; Haltia-Hovi, Eeva; Cook, Timothy L; Gebhardt, Catalina; Meyer-Jacob, Carsten; Snyder, Jeffrey A; Herzschuh, Ulrike (2013): A 3.6 Ma sedimentological, geochemical and palynological record of sediment core ICDP5011-1 in Lake Elgygytgyn, NE Russia [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.808834, Supplement to: Brigham-Grette, J et al. (2013): Pliocene warmth, polar amplification, and stepped pleistocene cooling recorded in NE Arctic Russia. Science, 340(6139), 1421-1427, https://doi.org/10.1126/science.1233137

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Abstract:
Understanding the evolution of Arctic polar climate from the protracted warmth of the middle Pliocene into the earliest glacial cycles in the Northern Hemisphere has been hindered by the lack of continuous, highly resolved Arctic time series. Evidence from Lake El'gygytgyn, NE Arctic Russia, shows that 3.6-3.4 million years ago, summer temperatures were ~8°C warmer than today when pCO2 was ~400 ppm. Multiproxy evidence suggests extreme warmth and polar amplification during the middle Pliocene, sudden stepped cooling events during the Pliocene-Pleistocene transition, and warmer than present Arctic summers until ~2.2 Ma, after the onset of Northern Hemispheric glaciation. Our data are consistent with sea-level records and other proxies indicating that Arctic cooling was insufficient to support large-scale ice sheets until the early Pleistocene.
Project(s):
Lake Elgygytgyn - Climate History of the Arctic since 3.6 Million Years (ELGYGYTGYN)
Coverage:
Latitude: 67.499700 * Longitude: 172.103940
Date/Time Start: 2009-04-26T00:00:00 * Date/Time End: 2009-04-26T00:00:00
Event(s):
ICDP5011-1 * Latitude: 67.499700 * Longitude: 172.103940 * Date/Time: 2009-04-26T00:00:00 * Lake water depth: 169.5 m * Location: Elgygytgyn crater lake, Sibiria, Russia * Campaign: ICDP_Elgygytgyn-Drilling-Project * Basis: Sampling on land * Method/Device: Composite Core (COMPCORE)
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
8 datasets

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Datasets listed in this publication series

  1. Brigham-Grette, J; Melles, M; Minyuk, PS et al. (2013): Biogenic silica accumulation rates in composite profile of ICDP site 5011-1 in Lake Elgygytgyn, NE Russia. https://doi.org/10.1594/PANGAEA.808826
  2. Brigham-Grette, J; Melles, M; Minyuk, PS et al. (2013): FTIRS derived biogenic silica of samples from Lake Elgygytgyn, NE Russia. https://doi.org/10.1594/PANGAEA.808829
  3. Brigham-Grette, J; Melles, M; Minyuk, PS et al. (2013): Pollen-derived climate reconstructions of ICDP site 5011-1 in Lake Elgygytgyn, NE Russia. https://doi.org/10.1594/PANGAEA.808827
  4. Brigham-Grette, J; Melles, M; Minyuk, PS et al. (2013): Facies types in composite profile of ICDP site 5011-1 in Lake Elgygytgyn, NE Russia. https://doi.org/10.1594/PANGAEA.808828
  5. Brigham-Grette, J; Melles, M; Minyuk, PS et al. (2013): Pollen spectra of ICDP site 5011-1 from Lake Elgygytgyn, NE Russia. https://doi.org/10.1594/PANGAEA.808830
  6. Brigham-Grette, J; Melles, M; Minyuk, PS et al. (2013): Si/Ti ratio from ICDP site 5011-1 in Lake Elgygytgyn, NE Russia. https://doi.org/10.1594/PANGAEA.808831
  7. Brigham-Grette, J; Melles, M; Minyuk, PS et al. (2013): Whole core and downhole logging magnetic susceptibility of ICDP site 5011-1 in Lake Elgygytgyn, NE Russia. https://doi.org/10.1594/PANGAEA.808832
  8. Brigham-Grette, J; Melles, M; Minyuk, PS et al. (2013): Turbidites in composite profile of ICDP site 5011-1 in Lake Elgygytgyn, NE Russia. https://doi.org/10.1594/PANGAEA.808833