Project description
Understanding groundwater discharge of carbon in permafrost peatlands
High-latitude terrestrial ecosystems play an important role in the carbon budget. However, how global warming affects their carbon cycle is difficult to gauge due to the combined forces of hydrology, soil temperature and biogeochemical processes. Fluxes in groundwater discharge of carbon (GDC) play a key yet uncertain role as they are hard to measure, non-uniform and impacted by permafrost thaw. With the support of the Marie Skłodowska-Curie Actions programme, the DisC-PP project aims to provide insights on GDC fluxes in permafrost peatlands. Through field measurements and ecosystem modelling, it will attempt to uncover the leading causes for GDC fluctuations, the consequences of climate-induced changes to hydrology and carbon cycling on GDC, as well as GDC’s contribution to carbon balance.
Objective
A better understanding of high-latitude terrestrial carbon (C) cycling is essential for predicting global climate futures. This urgency arises from the large C stocks present in permafrost soils and the rapid regional warming observed during the past decades. Complexity introduced by strong coupling between hydrology, soil temperature, and biogeochemical processes in these systems impedes efforts to close the C budget and understand the fate of newly thawed soil organic C. Notably, groundwater discharge of C (GDC) stands out as a significant source of uncertainty in the high-latitude C budget because these fluxes are difficult to measure, highly heterogeneous, and strongly impacted by permafrost thaw.
The main objective of the DisC-PP project is to improve understanding of GDC fluxes within permafrost peatlands. Groundwater plays a key but uncertain role in the functioning of these distinctive, C-rich wetland ecosystems. By combining field measurements with ecosystem modeling, DisC-PP will address three knowledge gaps: (1) what are dominant drivers responsible for spatial and seasonal fluctuations in GDC from permafrost peatlands?, (2) how will climate-induced changes to hydrology and C cycling impact GDC?, and (3) what is the contribution of GDC to the overall C balance of permafrost peatlands?
The project will be conducted at Stordalen Mire, an intensively characterized permafrost peatland in subarctic Sweden. The modeling component will employ ecosys, a validated process-rich mechanistic ecosystem model that has demonstrated applicability in high-latitude ecosystems.
DisC-PP would significantly advance my career via relevant skill development, exposure to different high-latitude ecosystems, and establishment of new relationships with leading experts in ecohydrology. Additionally, the project will enhance comprehension of how lateral C fluxes via groundwater discharge impact high-latitude C cycle and climate feedbacks – a current gap in global climate models.
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 ecohydrology
- natural sciences biological sciences ecology ecosystems
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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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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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(opens in new window) HORIZON-MSCA-2023-PF-01
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08007 Barcelona
Spain
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