LINKWEATHERINGCO2

How does weathering link to atmospheric carbon dioxide – evidence from past extreme climate events

Coordinatore	LEIBNIZ-INSTITUT FUER MEERESWISSENSCHAFTEN AN DER UNIVERSITAET KIEL    more  Organization address address: WISCHHOFSTRASSE 1-3 city: KIEL postcode: 24148 contact info Titolo: Mr. Nome: Jens-Uwe Cognome: Mölck Email: send email Telefono: +49(0)4316002521 Fax: +49(0)4316002954
Nazionalità Coordinatore	Germany [DE]
Totale costo	162˙242 €
EC contributo	162˙242 €
Programma	FP7-PEOPLE Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
Code Call	FP7-PEOPLE-2010-IEF
Funding Scheme	MC-IEF
Anno di inizio	2011
Periodo (anno-mese-giorno)	2011-10-01   -   2013-09-30

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	LEIBNIZ-INSTITUT FUER MEERESWISSENSCHAFTEN AN DER UNIVERSITAET KIEL  Organization address address: WISCHHOFSTRASSE 1-3 city: KIEL postcode: 24148 contact info Titolo: Mr. Nome: Jens-Uwe Cognome: Mölck Email: send email Telefono: +49(0)4316002521 Fax: +49(0)4316002954	DE (KIEL)	coordinator	162˙242.40

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 Obiettivo del progetto (Objective)

'How does the Earth’s climate recover from events of rapid and extreme global warming or cooling? Why have the huge fluctuations in atmospheric CO2 in the geological past not caused runaway climate effects, making the Earth become Venus- or Mars-like? Silicate weathering of the continents is the main CO2 removal process, and therefore a dominant long-term climate control mechanism. However the debate on what controls silicate weathering, and therefore atmospheric CO2, is still contentious and ongoing. Two of the largest climate fluctuations and mass extinctions in Earth’s history (the end-Ordovician glaciation, and the Permo-Triassic rapid warming event) will be examined using lithium isotopes, which are a novel tracer of silicate weathering. These data will determine the Earth’s weathering response to periods of rapid global warming and cooling. The knowledge gained from this will then be combined with other tracers of marine conditions in a dynamic model that will determine the links between weathering, climate and oceanic conditions. In turn this will yield critical information on Earth’s climate feedbacks, and on processes that led to the extinction of >85% of marine species. This therefore contributes directly to the Work Programme and its goals in understanding the functioning of the Earth and marine systems, and in understanding changes in atmospheric composition and the water cycle.'