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Science 20 June 1975:
Vol. 188. no. 4194, pp. 1208 - 1209
DOI: 10.1126/science.188.4194.1208
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Articles

Weyl's Theory of Glaciation Supported by Isotopic Study of Norwegian Core K 11

Jean Claude Duplessy 1, Lydie Chenouard 1, and Francoise Vila 1

1 Centre des Faibles Radioactivités, Laboratoire mixte CNRS-CEA, 91190 Gifsur Yvette, France

Oxygen-18 analyses of pelagic and benthic foraminifera from core K 11 indicate that during the last glaciation Norwegian Sea bottom waters were warmer than in modern times and had the same physical parameters (temperature, oxygen isotope ratio, and salinity) as the North Atlantic deep water. This result indicates that the glacial Norwegian Sea was not a sink for dense surface water, as it is now, and that during glacial times North Atlantic deep water invaded the deep Norwegian basin.


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