Similar glacial and Holocene Southern Ocean hydrography

K. Matsumoto, J. Lynch-Stieglitz, R. F. Anderson

Research output: Contribution to journalArticle

42 Scopus citations

Abstract

We present new Holocene and glacial δ18O data measured on planktonic foraminifera Neogloboquadrina pachyderma and benthic foraminifera Cibicidoides species from the Atlantic and Pacific sectors of the Southern Ocean in order to better understand its glacial hydrography. Combined with previously published data, the latitudinal δ18O distributions of these foraminifera show no appreciable difference during the Holocene and the Last Glacial Maximum. This suggests that the basic Southern Ocean hydrography, including stratification and the mean position of the Antarctic Circumpolar Current frontal system, remained largely unchanged, although the small number of Pacific data render any conclusion in that sector preliminary.

Original languageEnglish (US)
Pages (from-to)445-454
Number of pages10
JournalPaleoceanography
Volume16
Issue number5
DOIs
StatePublished - Oct 1 2001

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