Author:
Dansgaard W.,Johnsen S.J.,Clausen H.B.,Langway C.C.
Abstract
A spectacular 10‰ drop in the 18O16O ratio (δ) in precipitation indicative of rapid cooling occurred at Camp Century, Greenland, 89,500 y.a. The timing is based upon an assumption of δ periodicity being constant in time. Onset of the Wisconsin pleniglacial is reflected by 6‰ δ drop at 73,000 BP. Similar event might have occurred 109,000 y.a., but the core at corresponding depth is missing. Could it also happen today?
Publisher
Cambridge University Press (CUP)
Subject
General Earth and Planetary Sciences,Earth-Surface Processes,Arts and Humanities (miscellaneous)
Reference4 articles.
1. Climatic record revealed by the Camp Century ice core;Dansgaard;The Cenozoic Glacial Ages,1971
2. Pleistocene deposits of the Erie Lobe;Goldthwaith;The Quaternary of the United States,1965
3. Oxygen Isotope Profiles through the Antarctic and Greenland Ice Sheets
4. In defense of the astronomical theory of glaciation;Broecker;Meteorological Monographs,1968
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