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Tracking the North Atlantic water circulation during the Last Glacial period using multi-proxy approaches

Objective

Ocean circulation is a key regulator of climate that driven by both atmospheric and thermohaline processes. The Labrador Sea holds a complex mixture of water masses and plays a crucial role in North Atlantic Deep Water formation and the Atlantic Meridional Overturning Circulation, and thus for global ocean circulation. However, the mechanisms of the Labrador Sea Water formation and its interactions with upper North Atlantic Deep Water remain largely unknown. Understanding the water formation of the Labrador Sea Water and ocean circulation in the North Atlantic region in historical time by using proxy reconstruction data is crucial for benchmarking and understanding the present and future variations using model simulations. The purpose of this proposal is to provide information on the evolution of the North Atlantic intermediate water formation and the impact of changes on ocean circulation in the Labrador Sea during several cold periods including the Last Glacial Maximum, understanding of North Atlantic water inflow, the Labrador Sea deep water ventilation conditions and formation respond to the fundamentally different glacial cold events. By combining benthic foraminiferal morphology and geochemistry data, and other existing proxies, this project will discover the link between shell morphology and multiple stresses, and quantitatively evaluate the impact of changes in the ocean circulation on marine ecosystems. The project aims to apply a multiproxy approach including the application of foraminiferal morphology and geochemistry to reconstruct the seawater conditions. I will generate new high-resolution records of changes in subsurface to deep-water formation in the Labrador Sea region to evaluate the impact of changes in ocean circulation and to significantly improve the application of this multiproxy approach. Results from this project will also increase the data window of oceanic circulation for climate model validation.

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Keywords

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Programme(s)

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Topic(s)

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Funding Scheme

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HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

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(opens in new window) HORIZON-MSCA-2022-PF-01

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Coordinator

AARHUS UNIVERSITET
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 214 934,40
Address
NORDRE RINGGADE 1
8000 Aarhus C
Denmark

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Region
Danmark Midtjylland Østjylland
Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

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