Alkenones and multiproxy strategies in paleoceanographic studies

A. C. Mix, E. Bard, G. Eglinton, L. D. Keigwin, A. C. Ravelo, Yair Rosenthal

Research output: Contribution to journalArticle

24 Scopus citations

Abstract

We assess multiproxy strategies involving alkenone-based and other paleoceanographic indicators in an effort to define uncertainties and to advance understanding of past oceanic and climatic changes. Looking to the future, we recommend a parallel strategy of applying proxies to the geologic record while continuously seeking refinements in methods and understanding of mechanisms that control each proxy. A multiproxy strategy increases confidence in results and provides oceanographic context for more effective interpretation of processes. A combination of proxies allows derivation of additional properties, such as upper ocean paleosalinity or paleo-pCO2, for a more complete view of the oceanographic and climate mechanisms involved in changing Earth's environment.

Original languageEnglish (US)
JournalGeochemistry, Geophysics, Geosystems
Volume1
Issue number11
DOIs
StatePublished - Nov 1 2000

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Geochemistry and Petrology

Keywords

  • Alkenone
  • carbon dioxide
  • foraminifera
  • isotope
  • paleosalinity
  • paleotemperature

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