Past Interglacial Climates at Key Sites: Sea Surface Temperature and Salinity Reconstructions from the Northern North Atlantic during MIS 5e and MIS 11

Informations projet

PICKS

N° de convention de subvention: 302442

Projet clôturé

Date de début 11 Février 2013

Date de fin 10 Février 2015

Financé au titre de

• Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)

Coût total € 255 069,40

Contribution de l’UE € 255 069,40

Coordonné par

STICHTING KONINKLIJK NEDERLANDS INSTITUUT VOOR ZEEONDERZOEK (NIOZ)
Pays-Bas

Objectif

"The northern North Atlantic ocean represents a key region in the Quaternary climate system because changes in the intensity of the Atlantic Meridional Overturning Circulation (AMOC) occurring here, finally determine glacial-interglacial global changes. The AMOC intensity is mainly conditioned by a combination of sea surface temperatures and salinities of the warm water inflow (the North Atlantic Current and the Norwegian Current) as well as its geographical pattern. Previous sea surface temperature reconstructions based on foraminiferal abundances and alkenones have revealed strong dissimilarities in temporal and geographical patterns of the northward warm water transfer in the Holocene compared to its two potential analogues MIS 5e and MIS 11c. The aim of this project is to reconstruct sea surface salinities and temperatures in the northern North Atlantic during these two past interglacials using novel methods based on the hydrogen isotopic composition of alkenones and the lipid membrane composition of the marine prokaryote Thaumarchaea, respectively. The main question which we would like to address is if deglaciation effects in the Nordic seas could result in restrictions of the warm water inflow and changes in the configuration of warm water advection in this region. Our results will have implications for the modelling of AMOC functioning and, therefore, on climate prediction."

Champ scientifique (EuroSciVoc)

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• sciences naturelles › sciences biologiques › biochimie › biomolécule › lipides

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Programme(s)

• FP7-PEOPLE - Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)

Thème(s)

• FP7-PEOPLE-2011-IEF - Marie-Curie Action: "Intra-European fellowships for career development"

Appel à propositions

FP7-PEOPLE-2011-IEF
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Régime de financement

MC-IEF -

Coordinateur

STICHTING KONINKLIJK NEDERLANDS INSTITUUT VOOR ZEEONDERZOEK (NIOZ)

• Contribution de l’UE: € 255 069,40
• Adresse: Landsdiep 4 ; 1797 SZ DEN HOORN TEXEL ; Pays-Bas
• Type d’activité: Organismes de recherche
• Coût total: Aucune donnée