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WeThaw SIGNED

Mineral Weathering in Thawing Permafrost: Causes and Consequences

Total Cost €

EC-Contrib. €

Partnership

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WeThaw project word cloud

Explore the words cloud of the WeThaw project. It provides you a very rough idea of what is the project "WeThaw" about.

subject silicon predicting susceptible capacity positive stable generation release accompanied crosses sources microbial unlock isotopes insights carbon ecosystems significantly terrestrial characterisations reservoir storage climate chemical gap geochemical wethaw permafrost atmosphere surfaces aquatic posit mineral warming modulating thawing reactive arguably physico influence enhanced stabilisation estimate magnesium hitherto biotic previously soc regions abiotic groundbreaking weathering earth soil mandatory latitude nutrient assessing reactions dangerous lithium accurately augment degradation correctly frontier boundaries liberating techniques predict disciplinary exposes feedback first unraveled models frozen robustly cascade organic combining unprecedented dynamics decomposition plant

Project "WeThaw" data sheet

The following table provides information about the project.

Coordinator	UNIVERSITE CATHOLIQUE DE LOUVAIN Organization address address: PLACE DE L UNIVERSITE 1 city: LOUVAIN LA NEUVE postcode: 1348 website: www.uclouvain.be contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	Belgium [BE]
Total cost	1˙999˙985 €
EC max contribution	1˙999˙985 € (100%)
Programme	1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
Code Call	ERC-2016-STG
Funding Scheme	ERC-STG
Starting year	2017
Duration (year-month-day)	from 2017-09-01 to 2022-08-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	UNIVERSITE CATHOLIQUE DE LOUVAIN UNIVERSITE CATHOLIQUE DE LOUVAIN Organization address address: PLACE DE L UNIVERSITE 1 city: LOUVAIN LA NEUVE postcode: 1348 website: www.uclouvain.be contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	BE (LOUVAIN LA NEUVE)	coordinator	1˙999˙985.00

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Project objective

Enhanced thawing of the permafrost in response to warming of the Earth’s high latitude regions exposes previously frozen soil organic carbon (SOC) to microbial decomposition, liberating carbon to the atmosphere and creating a dangerous positive feedback on climate warming. Thawing the permafrost may also unlock a cascade of mineral weathering reactions. These will be accompanied by mineral nutrient release and generation of reactive surfaces which will influence plant growth, microbial SOC degradation and SOC stabilisation. Arguably, weathering is an important but hitherto neglected component for correctly assessing and predicting the permafrost carbon feedback. The goal of WeThaw is to provide the first comprehensive assessment of the mineral weathering response in permafrost regions subject to thawing. By addressing this crucial knowledge gap, WeThaw will significantly augment our capacity to develop models that can accurately predict the permafrost carbon feedback.

Specifically, I will provide the first estimate of the permafrost’s mineral element reservoir which is susceptible to rapidly respond to enhanced thawing, and I will assess the impact of thawing on the soil nutrient storage capacity. To determine the impact of increased mineral weathering on mineral nutrient availability in terrestrial and aquatic ecosystems in permafrost regions, the abiotic and biotic sources and processes controlling their uptake and release will be unraveled by combining novel geochemical techniques, involving the non-traditional silicon, magnesium and lithium stable isotopes, with soil mineral and physico-chemical characterisations. I posit that this groundbreaking approach has the potential to deliver unprecedented insights into mineral weathering dynamics in warming permafrost regions. This frontier research which crosses disciplinary boundaries is a mandatory step for being able to robustly explain the role of mineral weathering in modulating the permafrost carbon feedback.

Publications

List of publications.
year	authors and title	journal	last update
2018	Opfergelt S., Mauclet E., Lefebvre B., Monhonval A., Bertouille N., Vandeuren A., Pereira B., Hirst C., Kuhry P., Strauss J., Grosse G., Conley D.J. The permafrost mineral reserve: identify potential mineral nutrient hotspots upon thawing published pages: , ISSN: , DOI:	5th European Conference on Permafrost 23/06/18-01/07/18	2019-06-11
2018	Mauclet E., Opfergelt S., Monhonval A., Strauss J., Grosse G., Fuchs M., Schirrmeister L. Distribution of mineral constituents in Yedoma permafrost: implications for Yedoma formation published pages: , ISSN: , DOI:	5th European Conference on Permafrost 23/06/18-01/07/18	2019-06-11
2018	Hirst C., Opfergelt S., Lefebvre B., Bertouille N., Kuhry P., Palmtag J. Local variability of mineral element distribution in permafrost terrain: implications upon thawing published pages: , ISSN: , DOI:	5th European Conference on Permafrost 23/06/18-01/07/18	2019-06-11

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