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Into the Icehouse -<br/>Ocean temperatures from CLumped Isotopes in Benthic and planktic foraminifera across the Eocene-­Oligocene climate transition

Obiettivo

Analysis of the geologic record shows that Earth’s temperature raised suddenly, and plunged precipitously, many times in its history. These abrupt climate transitions presumably occurred because tipping points in the climate system were exceeded. What is the nature of these tipping points? About 34 million years ago one of these abrupt changes occurred, when Earth's climate shifted from a relatively ice-free world to one with glacial conditions and substantial ice sheets on Antarctica. How global climate and the ocean’s temperatures at surface and in the deep changed during this climate transition remains poorly understood, and evidence for the development of Northern Hemisphere polar ice sheets is controversial. The goal of CLImBP is to investigate this climate transition through the application of the new and powerful paleo-thermometer: clumped isotopes in carbonates. CLImBP will apply this method on benthic and planktonic foraminifera from samples across Eocene-Oligocene climate transition and accurately reconstruct changes in sea-surface and deep-sea temperatures. These reconstructions will be used to test climate model simulations of this transition and improve our understanding of tipping points in the climate system, which is important for the comprehension of modern global climate change.

Invito a presentare proposte

FP7-PEOPLE-2011-IEF
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Coordinatore

EIDGENOESSISCHE TECHNISCHE HOCHSCHULE ZUERICH
Contributo UE
€ 192 622,20
Indirizzo
Raemistrasse 101
8092 Zuerich
Svizzera

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Regione
Schweiz/Suisse/Svizzera Zürich Zürich
Tipo di attività
Higher or Secondary Education Establishments
Contatto amministrativo
Stefano Bernasconi (Prof.)
Collegamenti
Costo totale
Nessun dato