Variability of exchanges in the northern seas

Informations projet

VEINS

N° de convention de subvention: MAS3960070

Projet clôturé

Date de début 1 Février 1997

Date de fin 31 Juillet 2000

Financé au titre de

• Specific programme of research and technological development in the field of marine science and technology, 1994-1998

Coût total

Aucune donnée

Contribution de l’UE

Aucune donnée

Coordonné par

UNIVERSITY OF HAMBURG
Germany

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Livrables

The Arctic - North Atlantic water mass exchanges via the Nordic Seas - Synoptic time series measurements, modelling and interpretation in terms of the Atlantic thermohaline circulation variability.

The project was aimed at measuring and modelling the variability of fluxes, between the Arctic Ocean and the Atlantic ocean with a view on implementing a longer term system of critical measurements needed to understand the high-latitude oceans steering role in decadal climate variability. Three years of synoptic time series were successfully obtained for all major inflows of warm, salty waters from the Atlantic to the Arctic and cold, dense outflows. Their low frequency variability could be analysed in terms of signals propagating within the northern loop of the Atlantic thermohaline overturning circulation. Details of the model-based analysis of the flux variability has shown, that with the present knowledge there is no possibility to monitor longer term changes with a reduced measurement effort compared to the one installed during the project.