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The Greenhouse-Icehouse transition: generating middle to late Eocene (50 -35 Ma) records of global extreme climatic change by means of dinoflagel lates and stable isotope analyses

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Dutch title: De Greenhouse-Icehouse transitie: het registreren van midden tot laat Eo cene (50-35 Ma) globale extreme klimaatsveranderingen aan de hand van dinoflagellaten en stabiele isotopen analyses
Period: October 2004 till September 2005
Status: Completed

Thesaurus terms: Geochemistry; Geochronology; Marine biology; Palynology; Stratigraphy

Institute  Top 
  • Katholieke Universiteit Leuven; Departement Aard- en Omgevingswetenschappen; Afdeling Historische Geologie, more, partner

Abstract:
Recently, a first, truly detailed record of Eocene deep-water temperature was established (Bohaty & Zachos, 20003). The results are surprising: upon the gradual climatic cooling trend, a series of warmer and colder extreme climate changes were recognized. However, only few speculations on possible underlying mechanisms have been put forward, underscoring the fact that more research is urgently needed in order to understand, for example, the present day global warming. Considering the usefulness of dinocyst studies for paleoclimatic analysis, we propose to analyse several middle Eocene sections from around the world using high-resolution, quatitative dinocysts analysis paired with stable iotope analysis.

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