A glacial test of timing

Meticulous reconstruction of the former extent of a glacier high in the mountains of New Zealand will help in interpreting global-scale climatic adjustments that occurred at the end of the last glaciation. Younger Dryas blows hot and cold The Younger Dryas — a period of sudden cooling in the Norther...

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Bibliographic Details
Published in:Nature (London) 2010-09, Vol.467 (7312), p.160-161
Main Author: Kirkbride, Martin P.
Format: Article
Language:English
Subjects:
631/158/2446
704/106/694
704/2151/213
Climate change
Cold
Glaciers
Humanities and Social Sciences
multidisciplinary
news-and-views
Ocean circulation
Science
Science (multidisciplinary)
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Summary:Meticulous reconstruction of the former extent of a glacier high in the mountains of New Zealand will help in interpreting global-scale climatic adjustments that occurred at the end of the last glaciation. Younger Dryas blows hot and cold The Younger Dryas — a period of sudden cooling in the Northern Hemisphere about 12,900 years ago — is perhaps the best-known example of abrupt climate change. But the global extent of the Younger Dryas is a topic of intense debate, particularly in the record of glacial behaviour in New Zealand. A new reconstruction of the growth and retreat patterns of glaciers in the Southern Alps in New Zealand at the time of the Younger Dryas supports the suggestion that temperature reductions in the north caused warming and glacial retreat in the Southern Hemisphere through a series of climate feedbacks.
ISSN:0028-0836
1476-4687
DOI:10.1038/467160a