Permafrost Carbon (Science Slam)


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loeka.jongejans [ at ] awi.de

Abstract

With ongoing climate change, the Arctic will continue to warm approximately twice as fast as the lower latitudes. As large parts of the Arctic are affected by permafrost, large-scale degradation processes such as thermokarst and thermal erosion are expected. Ice-rich permafrost, such as yedoma permafrost, covers large areas in Alaska and Siberia. These deposits reach thickness up to 50 m and include large ice-wedges. Therefore, warming can trigger especially rapid and deep thaw processes, which can mobilize organic carbon even well below 1 m soil depth. Undisturbed yedoma deposits are characterized by relatively high quality organic carbon stored and are presumably highly susceptible for future degradation. To improve the estimates of the rate and amount of organic carbon that can be released from permafrost thaw with warming, the quantity and quality of the organic carbon needs to be identified.



Item Type
Conference (Talk)
Authors
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Primary Division
Programs
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Publication Status
Published
Event Details
NextGen@Helmholtz Conference, 25 Jul 2018 - 27 Jul 2018, Potsdam, Germany.
Eprint ID
48670
Cite as
Jongejans, L. L. (2018): Permafrost Carbon (Science Slam) , NextGen@Helmholtz Conference, Potsdam, Germany, 25 July 2018 - 27 July 2018 .


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