Planktonic foraminiferal diversity in the interglacial and glacial North Atlantic: a test of diversity gradients as a paleoceanographic technique.

N. G. Balsam, K. W. Flessa, L. G. Dubois

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

Modern diversity patterns, especially those based on the Shannon index, reflect present surface circulation. Mapped 18 000 BP diversity values reveal a southward migration of the polar front, a shrinking of transitional areas, a southward deflection of the Gulf Stream, and a slight expansion of Sargasso Sea waters. These changes agree with the CLIMAP reconstruction. -from Authors

Original languageEnglish (US)
Pages (from-to)582-585
Number of pages4
JournalGeology
Volume8
Issue number12
DOIs
StatePublished - Jan 1 1980

ASJC Scopus subject areas

  • Geology

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