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Global trends in carbon sinks and their relationships with CO2 and temperature
Fernandez-Martinez, M (Fernandez-Martinez, M.)1; Sardans, J (Sardans, J.)2,3; Chevallier, F (Chevallier, F.)4; Ciais, P (Ciais, P.)4; Obersteiner, M (Obersteiner, M.)5; Vicca, S (Vicca, S.)1; Canadell, JG (Canadell, J. G.)6; Bastos, A (Bastos, A.)4; Friedlingstein, P (Friedlingstein, P.)7; Sitch, S (Sitch, S.)7; Piao, SL (Piao, S. L.)8,9; Janssens, IA (Janssens, I. A.)1; Penuelas, J (Penuelas, J.)2,3

Elevated CO2 concentrations increase photosynthesis and, potentially, net ecosystem production (NEP), meaning a greater CO2 uptake. Climate, nutrients and ecosystem structure, however, influence the effect of increasing CO2. Here we analysed global NEP from MACC-II and Jena CarboScope atmospheric inversions and ten dynamic global vegetation models ( TRENDY), using statistical models to attribute the trends in NEP to its potential drivers: CO2, climatic variables and land-use change. We found that an increased CO2 was consistently associated with an increased NEP (1995-2014). Conversely, increased temperatures were negatively associated with NEP. Using the two atmospheric inversions and TRENDY, the estimated global sensitivities for CO2 were 6.0 +/- 0.1, 8.1 +/- 0.3 and 3.1 +/- 0.1 PgC per 100 ppm (similar to 1 degrees C increase), and -0.5 +/- 0.2, -0.9 +/- 0.4 and -1.1 +/- 0.1 PgC degrees C-1 for temperature. These results indicate a positive CO2 effect on terrestrial C sinks that is constrained by climate warming.

Subject AreaEnvironmental Sciences & Ecology
WOS IDWOS:000453600200021
Indexed BySCI
KeywordNitrogen Deposition Atmospheric Co2 Elevated Co2 Forest Boreal Sequestration Ecosystems Efficiency Responses Balance
WOS Research AreaEnvironmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS SubjectEnvironmental Sciences ; Environmental Studies ; Meteorology & Atmospheric Sciences
Cooperation Status国际
Citation statistics
Cited Times:161[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorFernandez-Martinez, M (Fernandez-Martinez, M.)
Affiliation1.[Fernandez-Martinez, M.; Vicca, S.; Janssens, I. A.] Univ Antwerp, Dept Biol, Ctr Excellence PLECO, Antwerp, Belgium;
2.[Sardans, J.; Penuelas, J.] UAB, CSIC, CREAF, Global Ecol Unit, Bellaterra, Spain;
3.[Sardans, J.; Penuelas, J.] CREAF, Bellaterra, Spain;
4.[Chevallier, F.; Ciais, P.; Bastos, A.] UVSQ, CNRS, CEA, Lab Sci Climat & Environm, Gif Sur Yvette, France;
5.[Obersteiner, M.] Int Inst Appl Syst Anal, Laxenburg, Austria;
6.[Canadell, J. G.] CSIRO Oceans & Atmosphere, Global Carbon Project, Canberra, ACT, Australia;
7.[Friedlingstein, P.; Sitch, S.] Univ Exeter, Coll Engn Comp & Math, Exeter, Devon, England;
8.[Piao, S. L.] Peking Univ, Coll Urban & Environm Sci, Sinofrench Inst Earth Syst Sci, Beijing, Peoples R China;
9.[Piao, S. L.] Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing, Peoples R China.
Recommended Citation
GB/T 7714
Fernandez-Martinez, M ,Sardans, J ,Chevallier, F ,et al. Global trends in carbon sinks and their relationships with CO2 and temperature[J]. NATURE CLIMATE CHANGE,2019,9(1):73-79.
APA Fernandez-Martinez, M .,Sardans, J .,Chevallier, F .,Ciais, P .,Obersteiner, M .,...&Penuelas, J .(2019).Global trends in carbon sinks and their relationships with CO2 and temperature.NATURE CLIMATE CHANGE,9(1),73-79.
MLA Fernandez-Martinez, M ,et al."Global trends in carbon sinks and their relationships with CO2 and temperature".NATURE CLIMATE CHANGE 9.1(2019):73-79.
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