File:Lascaux ngrop deltao18 1.svg

Summary[edit]

Source of data is NGRIP 20 yrs delta-o18 data

ftp://ftp.ncdc.noaa.gov/pub/data/paleo/icecore/greenland/summit/ngrip/isotopes/ngrip-d18o-50yr.txt

NGRIP dating group, 2008. IGBP PAGES/World Data Center for Paleoclimatology Data Contribution Series # 2008-034 NOAA/NCDC Paleoclimatology Program, Boulder CO, USA.

ORIGINAL REFERENCES: The dating of the 0-7.9 ka b2k part is described in the paper: B.M. Vinther, H.B. Clausen, S.J. Johnsen, S.O. Rasmussen, K.K. Andersen, S.L. Buchardt, D. Dahl-Jensen, I.K. Seierstad, M.-L. Siggaard-Andersen, J.P. Steffensen, A.M. Svensson, J. Olsen, and J. Heinemeier. 2006. A synchronized dating of three Greenland ice cores throughout the Holocene Journ. Geophys. Res., vol. 111, D13102, 2006, doi:10.1029/2005JD006921

The dating of the 7.9-14.7 ka b2k part is described in the paper: S.O. Rasmussen, K.K. Andersen, A.M. Svensson, J.P. Steffensen, B.M. Vinther, H.B. Clausen, M.-L. Siggaard-Andersen, S.J. Johnsen, L.B. Larsen, D. Dahl-Jensen, M. Bigler, R. Röthlisberger, H. Fischer, K. Goto-Azuma, M.E. Hansson, and U. Ruth. 2006. A new Greenland ice core chronology for the last glacial termination Journ. Geophys. Res., vol. 111, D06102, doi:10.1029/2005JD006079

The dating of the part below 14.7 ka b2k is described in the two papers: K.K. Andersen, A. Svensson, S.J. Johnsen, S.O. Rasmussen, M. Bigler, R. Röthlisberger, U. Ruth, M.-L. Siggaard-Andersen, J.P. Steffensen, D. Dahl-Jensen, B.M. Vinther, and H.B. Clausen. 2006. The Greenland Ice Core Chronology 2005, 15-42 ka. Part 1: Constructing the time scale Quaternary Science Reviews, Vol. 25, Shackleton special issue 24.

A. Svensson, K.K. Andersen, M. Bigler, H.B. Clausen, D. Dahl-Jensen, S.M. Davies, S.J. Johnsen, R. Muscheler, S.O. Rasmussen, R. Röthlisberger, J.P. Steffensen, and B.M. Vinther. 2006. The Greenland Ice Core Chronology 2005, 15-42 ka. Part 2: Comparison to other records Quaternary Science Reviews, vol. 25, Shackleton special issue 24.

The dating of the 41.8-60.0 ka b2k part is described in the paper: A. Svensson, K.K. Andersen, M. Bigler, H.B. Clausen, D. Dahl-Jensen, S.M. Davies, S.J. Johnsen, R. Muscheler, F. Parrenin, S.O. Rasmussen, R. Röthlisberger, I. Seierstad, J.P. Steffensen, and B.M. Vinther. 2008. A 60 000 year Greenland stratigraphic ice core chronology. Climate of the Past, Vol. 4, pp. 47–57.

GEOGRAPHIC REGION: Greenland

PERIOD OF RECORD: 0 - 60 ka b2k (years relative to A.D. 2000).

FUNDING SOURCES: NGRIP is directed and organized by the Ice and Climate Research group, Niels Bohr Institute, University of Copenhagen. It is supported by funding agencies in Denmark (SNF), Belgium (FNRS-CFB), France (IPEV and INSU/CNRS), Germany (AWI), Iceland (RannIs), Japan (MEXT), Sweden (SPRS), Switzerland (SNF) and the USA (NSF, Office of Polar Programs). The construction of the GICC05 time scale was funded by the Carlsberg Foundation.

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