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    Were last glacial climate events simultaneous between Greenland and France? A quantitative comparison using non-tuned chronologies

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    BlaauwAll.pdf (1.701Mb)
    Date
    2009-03
    Author
    Blaauw, Maarten  Concept link
    Wohlfarth, Barbara  Concept link
    Christen, J. Andres  Concept link
    Ampel, Linda  Concept link
    Veres, Daniel  Concept link
    Hughen, Konrad A.  Concept link
    Preusser, Frank  Concept link
    Svensson, Anders  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/3288
    As published
    https://doi.org/10.1002/jqs.1330
    Abstract
    Several large abrupt climate fluctuations during the last glacial have been recorded in Greenland ice cores and archives from other regions. Often these Dansgaard-Oeschger events are assumed to have been synchronous over wide areas, and then used as tie-points to link chronologies between the proxy archives. However, it has not yet been tested independently whether or not these events were indeed synchronous over large areas. Here, we compare Dansgaard-Oeschgertype events in a well-dated record from southeastern France with those in Greenland ice cores. Instead of assuming simultaneous climate events between both archives, we keep their age models independent. Even these well-dated archives possess large chronological uncertainties, that prevent us from inferring synchronous climate events at decadal to multi-centennial time scales. If possible, comparisons between proxy archives should be based on independent, non-tuned time-scales.
    Description
    Author Posting. © The Author(s), 2009. This is the author's version of the work. It is posted here by permission of John Wiley & Sons for personal use, not for redistribution. The definitive version was published in Journal of Quaternary Science 25 (2010): 387-394, doi:10.1002/jqs.1330.
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    • Marine Chemistry and Geochemistry (MC&G)
    Suggested Citation
    Preprint: Blaauw, Maarten, Wohlfarth, Barbara, Christen, J. Andres, Ampel, Linda, Veres, Daniel, Hughen, Konrad A., Preusser, Frank, Svensson, Anders, "Were last glacial climate events simultaneous between Greenland and France? A quantitative comparison using non-tuned chronologies", 2009-03, https://doi.org/10.1002/jqs.1330, https://hdl.handle.net/1912/3288
     
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