Atmospheric deposition, CO2, and change in the land carbon sink

M. Fernández-Martínez, S. Vicca, I. A. Janssens, P. Ciais, M. Obersteiner, M. Bartrons, J. Sardans, A. Verger, J. G. Canadell, F. Chevallier, X. Wang, C. Bernhofer, P. S. Curtis, D. Gianelle, T. Grünwald, B. Heinesch, A. Ibrom, A. Knohl, T. Laurila, B. E. Law & 12 others J. M. Limousin, B. Longdoz, D. Loustau, I. Mammarella, G. Matteucci, R. K. Monson, L. Montagnani, E. J. Moors, J. W. Munger, D. Papale, S. L. Piao, J. Peñuelas

Research output: Research - peer-reviewArticle

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Abstract

Concentrations of atmospheric carbon dioxide (CO2) have continued to increase whereas atmospheric deposition of sulphur and nitrogen has declined in Europe and the USA during recent decades. Using time series of flux observations from 23 forests distributed throughout Europe and the USA, and generalised mixed models, we found that forest-level net ecosystem production and gross primary production have increased by 1% annually from 1995 to 2011. Statistical models indicated that increasing atmospheric CO2 was the most important factor driving the increasing strength of carbon sinks in these forests. We also found that the reduction of sulphur deposition in Europe and the USA lead to higher recovery in ecosystem respiration than in gross primary production, thus limiting the increase of carbon sequestration. By contrast, trends in climate and nitrogen deposition did not significantly contribute to changing carbon fluxes during the studied period. Our findings support the hypothesis of a general CO2-fertilization effect on vegetation growth and suggest that, so far unknown, sulphur deposition plays a significant role in the carbon balance of forests in industrialized regions. Our results show the need to include the effects of changing atmospheric composition, beyond CO2, to assess future dynamics of carbon-climate feedbacks not currently considered in earth system/climate modelling.

LanguageEnglish (US)
Article number9632
JournalScientific Reports
Volume7
Issue number1
DOIs
StatePublished - Dec 1 2017

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carbon sink
atmospheric deposition
land
sulfur
Europe
primary production
nitrogen
effect
net ecosystem production
climate feedback
carbon balance
carbon flux
carbon sequestration
climate modeling
respiration
carbon dioxide
time series
ecosystem
vegetation
carbon

ASJC Scopus subject areas

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Cite this

Fernández-Martínez, M., Vicca, S., Janssens, I. A., Ciais, P., Obersteiner, M., Bartrons, M., ... Peñuelas, J. (2017). Atmospheric deposition, CO2, and change in the land carbon sink. Scientific Reports, 7(1), [9632]. DOI: 10.1038/s41598-017-08755-8

Atmospheric deposition, CO2, and change in the land carbon sink. / Fernández-Martínez, M.; Vicca, S.; Janssens, I. A.; Ciais, P.; Obersteiner, M.; Bartrons, M.; Sardans, J.; Verger, A.; Canadell, J. G.; Chevallier, F.; Wang, X.; Bernhofer, C.; Curtis, P. S.; Gianelle, D.; Grünwald, T.; Heinesch, B.; Ibrom, A.; Knohl, A.; Laurila, T.; Law, B. E.; Limousin, J. M.; Longdoz, B.; Loustau, D.; Mammarella, I.; Matteucci, G.; Monson, R. K.; Montagnani, L.; Moors, E. J.; Munger, J. W.; Papale, D.; Piao, S. L.; Peñuelas, J.

In: Scientific Reports, Vol. 7, No. 1, 9632, 01.12.2017.

Research output: Research - peer-reviewArticle

Fernández-Martínez, M, Vicca, S, Janssens, IA, Ciais, P, Obersteiner, M, Bartrons, M, Sardans, J, Verger, A, Canadell, JG, Chevallier, F, Wang, X, Bernhofer, C, Curtis, PS, Gianelle, D, Grünwald, T, Heinesch, B, Ibrom, A, Knohl, A, Laurila, T, Law, BE, Limousin, JM, Longdoz, B, Loustau, D, Mammarella, I, Matteucci, G, Monson, RK, Montagnani, L, Moors, EJ, Munger, JW, Papale, D, Piao, SL & Peñuelas, J 2017, 'Atmospheric deposition, CO2, and change in the land carbon sink' Scientific Reports, vol 7, no. 1, 9632. DOI: 10.1038/s41598-017-08755-8
Fernández-Martínez M, Vicca S, Janssens IA, Ciais P, Obersteiner M, Bartrons M et al. Atmospheric deposition, CO2, and change in the land carbon sink. Scientific Reports. 2017 Dec 1;7(1). 9632. Available from, DOI: 10.1038/s41598-017-08755-8
Fernández-Martínez, M. ; Vicca, S. ; Janssens, I. A. ; Ciais, P. ; Obersteiner, M. ; Bartrons, M. ; Sardans, J. ; Verger, A. ; Canadell, J. G. ; Chevallier, F. ; Wang, X. ; Bernhofer, C. ; Curtis, P. S. ; Gianelle, D. ; Grünwald, T. ; Heinesch, B. ; Ibrom, A. ; Knohl, A. ; Laurila, T. ; Law, B. E. ; Limousin, J. M. ; Longdoz, B. ; Loustau, D. ; Mammarella, I. ; Matteucci, G. ; Monson, R. K. ; Montagnani, L. ; Moors, E. J. ; Munger, J. W. ; Papale, D. ; Piao, S. L. ; Peñuelas, J./ Atmospheric deposition, CO2, and change in the land carbon sink. In: Scientific Reports. 2017 ; Vol. 7, No. 1.
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