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NOBLE GAS TRACING OF SOURCES AND SINKS OF VOLATILE ELEMENTS IN THE ATMOSPHERE

Ziel

This proposal has the objective to greatly enhance our understanding of sources, sinks and processes fixing the composition of the atmosphere at different time periods of time, from 3.8 Gyr ago to Present. For achieving this goal, I shall develop the high precision analysis of noble gases, which are key tracers of atmospheric evolution.
The core of the proposal is : (i) the development of multi-collector mass spectrometry analysis of noble gas isotopes coupled with standard bracketing, aimed at reaching the per mil or better precision level, which will constitute a world premiere, (ii) the analysis of unique cometary samples, of ancient sediments already partly available at my laboratory, and of present-day air sampled at different geographical and altitudinal scales, (iii) the quantification of sources and sinks of atmospheric volatiles through the study of the fluxes of noble gas isotopes.
With this proposal, I develop a new and extremely competitive area of geochemistry, aimed at better understanding the early evolution of our planet habitability, as well as at improving our knowledge of fluxes of volatile elements triggering anthropogenic climate change. This proposal will establish the leadership of Europe in high precision geochemistry of exceptional tracers, the noble gases.

Aufforderung zur Vorschlagseinreichung

ERC-2010-AdG_20100224
Andere Projekte für diesen Aufruf anzeigen

Gastgebende Einrichtung

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS
EU-Beitrag
€ 2 281 806,00
Adresse
RUE MICHEL ANGE 3
75794 Paris
Frankreich

Auf der Karte ansehen

Region
Ile-de-France Ile-de-France Paris
Aktivitätstyp
Research Organisations
Hauptforscher
Bernard Marty (Prof.)
Kontakt Verwaltung
Nathalie Appel (Ms.)
Links
Gesamtkosten
Keine Daten

Begünstigte (1)