Objective
The Last Glacial climate of the Northern Hemisphere was punctuated by abrupt millennial scale changes called Dansgaard-Oeschger (DO) events, clearly recorded by Greenland ice core temperature proxies. The underlying mechanism responsible for the recurring cycles of ~10°C rapid increase, followed by gradual cooling, remains uncertain. Many studies suggest that large changes in sea ice extent played a major role in their causation. Sea ice is closely linked to climate; changes in sea ice extent feedback positively on Arctic temperature—a phenomenon of great relevance to the future of Arctic sea ice in our changing climate. This project combines Greenland ice core chemistry records with atmospheric chemistry transport modeling in order to constrain Arctic sea ice variability across DO events. Records of sea salt (Na+), and methane sulphonic acid (MSA), from four ice cores will be analysed for spatial and temporal variability across DO events. The controls on marine aerosol deposition over the Greenland Ice Sheet will be investigated using a atmospheric chemistry transport model, Cambridge p-TOMCAT, which has been successfully deployed for the Antarctic. The relative influence of sea ice and other factors e.g. meteorology, on ice core chemistry variability will be assessed using sensitivity tests that will also provide an indication of the gross sea ice changes in required to reproduce the significant sea salt changes recorded in ice cores. Furthermore, an atmospheric chemistry transport model, that can be interfaced with fully coupled ocean-atmosphere climate model output, will be optimised according to our findings. This model will be run with palaeoclimatic boundary conditions to obtain scenarios of sea ice change consistent with the ice core chemistry data. Separate tests will constrain the magnitude of sea ice retreat at the onset of DO events and the temporal evolution of sea ice conditions as climate cools from warm interstadial to cool stadial conditions.
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: https://op.europa.eu/en/web/eu-vocabularies/euroscivoc.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: https://op.europa.eu/en/web/eu-vocabularies/euroscivoc.
- natural sciences earth and related environmental sciences atmospheric sciences meteorology
- natural sciences earth and related environmental sciences palaeontology paleoclimatology
- natural sciences chemical sciences inorganic chemistry alkali metals
- natural sciences chemical sciences organic chemistry aliphatic compounds
- natural sciences earth and related environmental sciences atmospheric sciences climatology climatic changes
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Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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H2020-EU.1.3. - EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions
MAIN PROGRAMME
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H2020-EU.1.3.2. - Nurturing excellence by means of cross-border and cross-sector mobility
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Topic(s)
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.
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
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.
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.
MSCA-IF-EF-RI - RI – Reintegration panel
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Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) H2020-MSCA-IF-2014
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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.
CB2 1TN Cambridge
United Kingdom
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.