Articles | Volume 15, issue 2
https://doi.org/10.5194/tc-15-1097-2021
https://doi.org/10.5194/tc-15-1097-2021
Research article
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02 Mar 2021
Research article | Highlight paper |  | 02 Mar 2021

Diverging responses of high-latitude CO2 and CH4 emissions in idealized climate change scenarios

Philipp de Vrese, Tobias Stacke, Thomas Kleinen, and Victor Brovkin

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Cited articles

Ahn, H., Sauer, T., Richard, T., and Glanville, T.: Determination of thermal properties of composting bulking materials, Bioresource Technol., 100, 3974–3981, https://doi.org/10.1016/j.biortech.2008.11.056, 2009. a, b
Andresen, C. G., Lawrence, D. M., Wilson, C. J., McGuire, A. D., Koven, C., Schaefer, K., Jafarov, E., Peng, S., Chen, X., Gouttevin, I., Burke, E., Chadburn, S., Ji, D., Chen, G., Hayes, D., and Zhang, W.: Soil moisture and hydrology projections of the permafrost region – a model intercomparison, The Cryosphere, 14, 445–459, https://doi.org/10.5194/tc-14-445-2020, 2020. a, b, c, d
Batjes, N.: Harmonized soil property values for broad-scale modelling (WISE30sec) with estimates of global soil carbon stocks, Geoderma, 269, 61–68, https://doi.org/10.1016/j.geoderma.2016.01.034, 2016. a, b, c
Batjes, N. H.: Harmonized soil profile data for applications at global and continental scales: updates to the WISE database, Soil Use Manage., 25, 124–127, https://doi.org/10.1111/j.1475-2743.2009.00202.x, 2009. a, b
Berg, A., Sheffield, J., and Milly, P. C. D.: Divergent surface and total soil moisture projections under global warming, Geophys. Res. Lett., 44, 236–244, https://doi.org/10.1002/2016gl071921, 2017. a
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With large amounts of carbon stored in frozen soils and a highly energy-limited vegetation the Arctic is very sensitive to changes in climate. Here our simulations with the land surface model JSBACH reveal a number of offsetting factors moderating the Arctic's net response to global warming. More importantly we find that the effects of climate change may not be fully reversible on decadal timescales, leading to substantially different CH4 emissions depending on whether the Arctic warms or cools.