Pleistocene Collapse of the West Antarctic Ice Sheet-Reference-Cited by-同舟云学术

Pleistocene Collapse of the West Antarctic Ice Sheet

Published:1998-07-03 Issue:5373 Volume:281 Page:82-85
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Scherer Reed P.¹,Aldahan Ala¹,Tulaczyk Slawek¹,Possnert Göran¹,Engelhardt Hermann¹,Kamb Barclay¹

Affiliation:

1. R. P. Scherer and A. Aldahan, Department of Earth Sciences, Uppsala University, Villavägen 16, S-752 36 Uppsala, Sweden. S. Tulaczyk, H. Engelhardt, B. Kamb, Department of Geological and Planetary Sciences, California Institute of Technology, Mail Code 170-25, Pasadena, CA 91125, USA. G. Possnert, Tandem Laboratory, Ångström Laboratory, Box , Uppsala University, Uppsala, Sweden.

Abstract

Some glacial sediment samples recovered from beneath the West Antarctic ice sheet at ice stream B contain Quaternary diatoms and up to 10 8 atoms of beryllium-10 per gram. Other samples contain no Quaternary diatoms and only background levels of beryllium-10 (less than 10 6 atoms per gram). The occurrence of young diatoms and high concentrations of beryllium-10 beneath grounded ice indicates that the Ross Embayment was an open marine environment after a late Pleistocene collapse of the marine ice sheet.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference47 articles.

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