Chronology of palaeoclimatic change at the end of the last glaciation

ABSTRACT Analysis of sediments recorded in a piston core, located east of southern North Island, New Zealand, gives a detailed record of climate change at the end of the last glacial.

Accumulation rates1 of both detrital (quartz) and biological (carbonate and biogenic silica) components of the sediment are much higher during glacial than post-glacial time and they all

show a synchronous, rapid decline at 14,700 yr BP. We attribute this to a decline in intensity of the strong glacial westerly winds in the New Zealand region as the polar winds contracted to

their present latitudes2–6. The greatest rate of quartz accumulation occurs between 16,200 and 14,700 yr BP and is not matched by any change in carbonate or silica accumulation. We believe

this reflects accelerated fluvial transport of detritus out of the mountain ranges and consequently increased aeolian dust transport before the decline of the polar westerlies. Access

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SIMILAR CONTENT BEING VIEWED BY OTHERS TERRESTRIAL RECORDS OF DEGLACIATION EVENTS DURING TERMINATIONS V AND IV IN THE CENTRAL APENNINES (ITALY) AND INSIGHTS ON DEGLACIAL MECHANISMS Article

Open access 05 November 2022 LACUSTRINE SEDIMENTATION PATTERNS AT THE NORTHERN ANTARCTIC PENINSULA AND SURROUNDINGS AS A RESPONSE TO LATE HOLOCENE AND MODERN CLIMATE CHANGES Article Open

access 30 December 2024 GLOBAL CLIMATE FORCING ON LATE MIOCENE ESTABLISHMENT OF THE PAMPEAN AEOLIAN SYSTEM IN SOUTH AMERICA Article Open access 30 October 2023 REFERENCES * Van Andel Tj.,

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  * Nairn, I. A. thesis, Victoria Univ. Wellington (1981). Download references AUTHOR INFORMATION AUTHORS AND AFFILIATIONS * Department of Soil Science, Massey University, Palmerston North,

New Zealand R. B. Stewart & V. E. Neall Authors * R. B. Stewart View author publications You can also search for this author inPubMed Google Scholar * V. E. Neall View author

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Chronology of palaeoclimatic change at the end of the last glaciation. _Nature_ 311, 47–48 (1984). https://doi.org/10.1038/311047a0 Download citation * Received: 13 December 1983 * Accepted:

28 June 1984 * Issue Date: 06 September 1984 * DOI: https://doi.org/10.1038/311047a0 SHARE THIS ARTICLE Anyone you share the following link with will be able to read this content: Get

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