Project description
Rising temperatures in Greenland increasing frequency of ice melt
The ice is melting in Greenland. Rising temperatures means that surface melting is reaching areas that were previously permanently frozen. Supported by the Marie Skłodowska-Curie Actions programme, the PROXYMELT project explores how this is affecting the climate information stored in snow and ice cores, particularly the stable water isotope records used to reconstruct past climate. It combines field data from Greenland snow and ice cores with laboratory melt experiments to understand how meltwater and refreezing alter these isotope signals. Additionally, the project will test whether these altered signals can be used to identify and reconstruct past melt events. Overall, PROXYMELT sheds light on whether melt-affected ice cores can provide new types of climate information.
Objective
Ongoing global warming is driving surface melt into previously unaffected regions of the Greenland Ice Sheet, threatening this invaluable paleoclimate archive. On high alpine glaciers, meltwater percolating through snow layers has already degraded climate proxy records archived in the snow’s water isotopic composition. In Greenland, where ice cores for climate research have been preferentially drilled and where melt has historically been rare, the effects of melt-percolation and freezing processes on the stable water isotope climate proxy record have not been quantified. However, as the frequency and spatial extent of melt increase, future climate studies will depend on climate proxy records from melt-affected regions in Greenland. Consequently, a comprehensive understanding of how melt and refrozen meltwater influence the water isotope signal in snow is essential. PROXYMELT will use a comprehensive dataset of snow microstructure and stable water isotope information derived from a network of Greenland snow, firn, and ice cores, along with cold-laboratory melt experiments, to enhance the understanding of how snowmelt impacts climate records. Further, it will assess whether the melt fingerprint left in the stable water isotope record can, in turn, be used to reconstruct past melt events. It is the ambition of PROXYMELT not only to facilitate continued climate research on melt-affected water isotope ice core records but to extract supplementary and otherwise inaccessible climate information from water isotope records by establishing them as a novel melt proxy.
In summary, PROXYMELT will extend the use of stable water isotopes in melt-affected ice cores while simultaneously broadening the research scope and skills of a promising and ambitious scientist, from surface snow to deeper ice. The project will position her at the nexus between the snow and ice core communities at the onset of times when melting is expected to impact both fields in polar regions increasingly.
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 earth and related environmental sciences hydrology isotope hydrology
- natural sciences earth and related environmental sciences atmospheric sciences climatology
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Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
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.
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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-2025-PF
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27570 Bremerhaven
Germany
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