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Biogeosciences An interactive open-access journal of the European Geosciences Union
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Volume 13, issue 17
Biogeosciences, 13, 5121–5137, 2016
https://doi.org/10.5194/bg-13-5121-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Biogeosciences, 13, 5121–5137, 2016
https://doi.org/10.5194/bg-13-5121-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 14 Sep 2016

Research article | 14 Sep 2016

Role of CO2, climate and land use in regulating the seasonal amplitude increase of carbon fluxes in terrestrial ecosystems: a multimodel analysis

Fang Zhao et al.
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Alexandrov, G. A.: Explaining the seasonal cycle of the globally averaged CO2 with a carbon-cycle model, Earth Syst. Dynam., 5, 345–354, https://doi.org/10.5194/esd-5-345-2014, 2014.
Arora, V. K., Boer, G. J., Friedlingstein, P., Eby, M., Jones, C. D., Christian, J. R., Bonan, G., Bopp, L., Brovkin, V., Cadule, P., Hajima, T., Ilyina, T., Lindsay, K., Tjiputra, J. F., and Wu, T.: Carbon–Concentration and Carbon–Climate Feedbacks in CMIP5 Earth System Models, J. Clim., 26, 5289–5314, https://doi.org/10.1175/JCLI-D-12-00494.1, 2013.
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Beaulieu, C., Sarmiento, J. L., Mikaloff Fletcher, S. E., Chen, J., and Medvigy, D.: Identification and characterization of abrupt changes in the land uptake of carbon, Global Biogeochem. Cy., 26, 1–14, https://doi.org/10.1029/2010GB004024, 2012.
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The increasing seasonality of atmospheric CO2 is strongly linked with enhanced land vegetation activities in the last 5 decades, for which the importance of increasing CO2, climate and land use/cover change was evaluated in single model studies (Zeng et al., 2014; Forkel et al., 2016). Here we examine the relative importance of these factors in multiple models. Our results highlight models can show similar results in some benchmarks with different underlying regional dynamics.
The increasing seasonality of atmospheric CO2 is strongly linked with enhanced land vegetation...
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