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The roles of plant roots, mycorrhizal fungi and uptake of deep nitrogen in the permafrost carbon feedback to warming climate

Release of carbon frozen in permafrost (frozen ground) has been identified as one of the strongest and most likely positive feedbacks between the biosphere and the warming climate. Permafrost nitrogen release has the potential to stabilize the response of the carbon cycle to climate warming because it is a negative, within-system feedback. It could confer resilience to ecosystem-atmosphere interactions in a warming Arctic. The research under this award will advance understanding of the arctic system by incorporating this feedback into a terrestrial biosphere model used extensively by the community for forecasting arctic environmental change and its links to the Earth system.

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Additional Info

Field Value
Primary Contact Helene Genet (hgenet@alaska.edu)
Other Contacts David McGuire
Primary Organization University of Alaska Fairbanks
Funding Organizations National Science Foundation
Other Organizations National Science Foundation
Organization Types Academic, Federal
Geo-keywords Alaska, Arctic, North Slope
Start Date 2015-06-01
Created March 29, 2018, 05:05 (AKDT)
Last Updated July 1, 2021, 23:48 (AKDT)