Journal
GEOPHYSICAL RESEARCH LETTERS
Volume 28, Issue 23, Pages 4507-4510Publisher
AMER GEOPHYSICAL UNION
DOI: 10.1029/2000GL012728
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A detailed climate proxy record based on delta O-18, delta C-13, and grey index of a well-dated stalagmite from Cold Air Cave in the Makapansgat Valley of north-eastern South Africa suggests that regional precipitation, temperatures and vegetation oscillated markedly and rapidly over the last similar to 6500 years on centennial and multi-decadal scales. The mid-Holocene prior to 5200 years ago was humid and warm. A fundamental transition occurred 3200 years ago, leading to drier and cooler conditions that culminated at 1750 AD, Comparisons with ice core records suggest synchronous changes implicating rapid global teleconnections.
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