Project description
Shedding light on Ba cycling in the Southern Ocean
Barium (Ba) is a tool for organic carbon remineralisation assessment in several areas of the world’s oceans. However, the Ba cycle and its budgets in the oceans are not well constrained. Ba isotopic (138Ba) composition measurements can provide meaningful insights into these sources and processes. Especially understanding the impact of the Southern Ocean on the Ba cycle is critical. With the support of the Marie Skłodowska-Curie Actions programme, the BaSIS project will shed light on Ba cycling in this critical oceanic region. It will study 138Ba in seawater and marine particles from the GEOTRACES cruise SWINGS in the Southern Ocean. The findings will be of interest to researchers investigating the impact of the global carbon cycle.
Objective
Barium (Ba) has been proven to be a particular useful tool to estimate organic carbon remineralization in various areas of the worlds ocean. To date, however, the Ba cycle and its budgets in the ocean are not well constrained. Indeed, in the ocean, sources of Ba from hydrothermal alteration and deep-sea sediments, but also the internal Ba cycle are hard to constrain with Ba concentrations alone. The use of Ba isotopic composition (138Ba) measurements can provide meaningful insights on these sources and processes. Specifically, different inputs and different biological processes influencing the Ba distribution in the ocean have distinct 138Ba. However, surveys of 138Ba, in seawater and particles in the Southern Ocean (SO) has never been made. It is particularly important to understand the impact of the SO on the Ba cycle, as any preformed Ba or other sources of Ba in the SO would have a large impact on its use as a remineralization tracer in the global ocean. BaSIS is thus a unique opportunity to enhance knowledge on the Ba cycling in this key oceanic region by studying 138Ba in seawater and marine particles from the GEOTRACES cruise SWINGS in the SO.
The fellow will spend the first two years at the Laboratoire de lEnvionnement Marin (LEMAR) under the supervision of Dr. Planquette. This fellowship will allow her to come back to Europe with the technical expertise she acquired outside of the EU in the past years. She will implement a new technic and will acquire a unique overview of the Ba cycle in the global Ocean. Research results will be of interest to worldwide researchers working on the study of the impact of the global carbon cycle, promoting European excellence and competitiveness in dedicated European and international carbon export projects.
Fields of science (EuroSciVoc)
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CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
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Keywords
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Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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HORIZON.1.2 - Marie Skłodowska-Curie Actions (MSCA)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
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-2021-PF-01
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75794 PARIS
France
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