Ice-core data used for the construction of the Greenland Ice-Core Chronology 2005 and 2021 (GICC05 and GICC21)
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Published:2023-08-02
Issue:8
Volume:15
Page:3351-3364
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ISSN:1866-3516
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Container-title:Earth System Science Data
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language:en
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Short-container-title:Earth Syst. Sci. Data
Author:
Rasmussen Sune OlanderORCID, Dahl-Jensen Dorthe, Fischer HubertusORCID, Fuhrer Katrin, Hansen Steffen Bo, Hansson Margareta, Hvidberg Christine S.ORCID, Jonsell Ulf, Kipfstuhl Sepp, Ruth Urs, Schwander Jakob, Siggaard-Andersen Marie-Louise, Sinnl GiuliaORCID, Steffensen Jørgen Peder, Svensson Anders M.ORCID, Vinther Bo M.ORCID
Abstract
Abstract. We here describe, document, and make available a wide range of data sets used for annual-layer identification in ice cores from DYE-3, GRIP, NGRIP,
NEEM, and EGRIP. The data stem from detailed measurements performed both on the main deep cores and shallow cores over more than 40 years using many
different setups developed by research groups in several countries and comprise both discrete measurements from cut ice samples and continuous-flow
analysis data. The data series were used for counting annual layers 60 000 years back in time during the construction of the Greenland Ice-Core Chronology 2005
(GICC05) and/or the revised GICC21, which currently only reaches 3800 years back. Now that the underlying data are made available (listed in Table 1) we also release
the individual annual-layer positions of the GICC05 timescale which are based on these data sets. We hope that the release of the data sets will stimulate further studies of the past climate taking advantage of these highly resolved data series
covering a large part of the interior of the Greenland ice sheet.
Publisher
Copernicus GmbH
Subject
General Earth and Planetary Sciences
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