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dc.contributor.authorWalker, Mike
dc.contributor.authorJohnsen, Sigfus
dc.contributor.authorRasmussen, Sune Olander
dc.contributor.authorPopp, Trevor
dc.contributor.authorSteffensen, Jørgen-Peder
dc.contributor.authorGibbard, Philip
dc.contributor.authorHoek, Wim Z.
dc.contributor.authorLowe, J. John
dc.contributor.authorAndrews, John
dc.contributor.authorBjörck, Svante
dc.contributor.authorCwynar, Les C.
dc.contributor.authorHughen, Konrad A.
dc.contributor.authorKershaw, Peter
dc.contributor.authorKromer, Bernd
dc.contributor.authorLitt, Thomas
dc.contributor.authorLowe, David J.
dc.contributor.authorNakagawa, Takeshi
dc.contributor.authorNewnham, Rewi M.
dc.contributor.authorSchwander, Jakob
dc.identifier.citationWalker, M., Johnsen, S., Rasmussen, S. O., Popp, T., Steffensen, J., Gibbard, P., Hoek, W., Lowe, J., Andrews, J., Bjorck, S., Cwynar, L. C., Hughen, K., Kershaw, P., Kromer, B., Litt, T., Lowe, D. J., Nakagawa, T., Newnham, R. & Schwander, J.(2009). Formal definition and dating of the GSSP (Global Stratotype Section and Point) for the base of the Holocene using the Greenland NGRIP ice core, and selected auxiliary records. Journal of Quaternary Science, 24(1), 3-17.en
dc.description.abstractThe Greenland ice core from NorthGRIP (NGRIP) contains a proxy climate record across the Pleistocene–Holocene boundary of unprecedented clarity and resolution. Analysis of an array of physical and chemical parameters within the ice enables the base of the Holocene, as reflected in the first signs of climatic warming at the end of the Younger Dryas/Greenland Stadial 1 cold phase, to be located with a high degree of precision. This climatic event is most clearly reflected in an abrupt shift in deuterium excess values, accompanied by more gradual changes in d18O, dust concentration, a range of chemical species, and annual layer thickness. A timescale based on multi-parameter annual layer counting provides an age of 11 700 calendar yr b2 k (before AD 2000) for the base of the Holocene, with a maximum counting error of 99 yr. A proposal that an archived core from this unique sequence should constitute the Global Stratotype Section and Point (GSSP) for the base of the Holocene Series/Epoch (Quaternary System/Period) has been ratified by the International Union of Geological Sciences. Five auxiliary stratotypes for the Pleistocene–Holocene boundary have also been recognised.en
dc.publisherJohn Wiley & Sonsen
dc.subjectholocene boundaryen
dc.subjectglobal stratotype section and pointen
dc.subjectNGRIP ice coreen
dc.subjectauxiliary stratotypesen
dc.titleFormal definition and dating of the GSSP (Global Stratotype Section and Point) for the base of the Holocene using the Greenland NGRIP ice core, and selected auxiliary recordsen
dc.typeJournal Articleen
dc.relation.isPartOfJournal of Quaternary Scienceen_NZ

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