Permafrost degradation and mineral weathring implications for new sources of nutrients for vegetation

Why do we care? CARBON in global warming context: • Permafrost degradation • Frozen organic carbon exposure -> greenhouse gases (GHG) release • Positive feedback called Permafrost Carbon Feedback What about the MINERAL constituents? • New exposure of buried minerals to weathering agents (...

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Bibliographic Details
Main Authors: Mauclet, Elisabeth, Opfergelt, Sophie, Hirst, Catherine, Monhonval, Arthur, Midi de rencontre étudiants-chercheurs UCLouvain
Other Authors: UCL - SST/ELI/ELIE - Environmental Sciences
Format: Conference Object
Language:English
Published: 2018
Subjects:
Permafrost
global warming
Artic soils
mineral weathring
element cycling
vegetation
Mg isotopes
permafrost
Online Access:http://hdl.handle.net/2078.1/207467
Description
Summary:Why do we care? CARBON in global warming context: • Permafrost degradation • Frozen organic carbon exposure -> greenhouse gases (GHG) release • Positive feedback called Permafrost Carbon Feedback What about the MINERAL constituents? • New exposure of buried minerals to weathering agents (water, air, freeze-thaw action) • Potential impact on the fate of organic carbon upon permafrost degradation • Crucial to quantify the mineral element content in the permafrost

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