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Retreat of the Laurentide ice sheet tracked by the isotopic composition of Pb in western North Atlantic seawater during termination 1

Abstract:

During the Last Glacial Maximum much of North America was covered by the Laurentide ice sheet. Its melting during termination 1 led to systematic changes in proglacial lake formation, continental runoff, and possibly North Atlantic Meridional Overturning Circulation. The accompanying change in chemical weathering rates in the interior of North America throughout the deglaciation resulted in a pronounced change in seawater Pb isotope composition in the western North Atlantic Ocean. Here we pre...

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Publication status:
Published

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Publisher copy:
10.1016/j.epsl.2009.07.020

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Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Role:
Author
Journal:
EARTH AND PLANETARY SCIENCE LETTERS
Volume:
286
Issue:
3-4
Pages:
546-555
Publication date:
2009-09-15
DOI:
ISSN:
0012-821X
URN:
uuid:aa104f03-862a-4af4-b997-a96cc49843ba
Source identifiers:
83040
Local pid:
pubs:83040

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