Objective
Adsorption to hydro thermally derived iron (oxyhydr)oxide particles is an important oceanic sink for dissolved phosphorus, which is an essential nutrient for marine productivity. This project will investigate the cycling of phosphorus in hydro thermally derived iron (oxyhydr)oxide sediments. Phosphorus mobility will be investigated with chemical and mineralogical analyses of a wide range of hydrothermal sediments. The diagenetic remobilisation and secondary mineralisation of phosphorus adsorbed to iron (oxyhydr)oxides will also be examined experimentally during dissolution by dissimilatory iron reducing bacteria. These results will form the basis of the first detailed study of phosphorus mobility in hydrothermal sediments and will allow the quantification of the major fluxes, phase associations and pathways for phosphorus retention in hydrothermal sediments on a global scale. The nature of phosphorus cycling in modern hydrothermal sediments will be considered relative to the phosphorus and iron contents of late Archean and early Proterozoic Banded Iron Formations. Detailed chemical and mineralogical analyses of well-preserved Banded Iron Formation sediments will be combined with adsorption experiments to constrain ancient oceanic phosphorus concentrations. These estimates will be utilised in the form of a biogeochemical ocean model to explore the interaction between phosphorus, organic matter synthesis, and the rise of atmospheric oxygen during the Archean and Proterozoic.
Fields of science (EuroSciVoc)
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.
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.
- natural sciences biological sciences microbiology bacteriology
- social sciences economics and business economics production economics productivity
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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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.
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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.
Coordinator
5230 ODENSE
Denmark
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.