A wiggle-match date for Polynesian settlement of New Zealand

Antiquity - Tập 77 Số 295 - Trang 116-125 - 2003
Alan Hogg1, Thomas Higham2, David J. Lowe3, Hans Oerter4, Paula Reimer5, Rewi M. Newnham6
1Waikato Radiocarbon Dating Laboratory, University of Waikato, Private Bag 3105, Hamilton, New Zealand. ([email protected]
2Oxford Radiocarbon Accelerator Unit, Research Laboratory for Archaeology and the History of Art, University of Oxford, Oxford OX1 3QJ, England, U.K.
3Department of Earth Sciences, University of Waikato, Private Bag 3105, Hamilton, New Zealand
4School of Archaeology and Palaeoecology, Queen's University of Belfast, Belfast BT7 1NN, Northern Ireland, U.K.
5School of Geography, Archaeology and Palaeoecology, Environmental Change (EC)
6Department of Geographical Sciences, University of Plymouth, Plymouth PL4 8AA, England, U.K.

Tóm tắt

Dating initial colonisation and environmental impacts by Polynesians in New Zealand is controversial. A key horizon is provided by the Kaharoa Tephra, deposited from an eruption of Mt Tarawera, because just underneath this layer are the first signs of forest clearance which imply human settlement. The authors used a log of celery pine from within Kaharoa deposits to derive a new precise date for the eruption via “wiggle-matching” – matching the radiocarbon dates of a sequence of samples from the log with the Southern Hemisphere calibration curve. The date obtained was 1314 ± 12 AD (2σ error), and the first environmental impacts and human occupation are argued to have occurred in the previous 50 years, i.e. in the late 13th– early 14thcenturies AD. This date is contemporary with earliest settlement dates determined from archaeological sites in the New Zealand archipelago.

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Antiquity

Tập 77 Số 295

116-125

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