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Field-experiment constraints on the enhancement of the terrestrial carbon sink by CO(2 )fertilization
Liu, YW (Liu, Yongwen)1,2; Piao, SL (Piao, Shilong)1,2,3; Gasser, T (Gasser, Thomas)4; Ciais, P (Ciais, Philippe)5; Yang, H (Yang, Hui)3; Wang, H (Wang, Han)6; Keenan, TF (Keenan, Trevor F.)7,8; Huang, MT (Huang, Mengtian)3; Wan, SQ (Wan, Shiqiang)9; Song, J (Song, Jian)9; Wang, K (Wang, Kai)3; Janssens, IA (Janssens, Ivan A.)10; Penuelas, J (Penuelas, Josep)11,12; Huntingford, C (Huntingford, Chris)13; Wang, XH (Wang, Xuhui)3; Arain, MA (Arain, Muhammad Altaf)14,15; Fang, YY (Fang, Yuanyuan)16; Fisher, JB (Fisher, Joshua B.)17; Huang, MY (Huang, Maoyi)18; Huntzinger, DN (Huntzinger, Deborah N.)19; Ito, A (Ito, Akihiko)20; Jain, AK (Jain, Atul K.)21; Mao, JF (Mao, Jiafu)22,23; Michalak, AM (Michalak, Anna M.)16; Peng, CH (Peng, Changhui)24,25; Poulter, B (Poulter, Benjamin)26; Schwalm, C (Schwalm, Christopher)27,28; Shi, XY (Shi, Xiaoying)22,23; Tian, HQ (Tian, Hanqin)29,30; Wei, YX (Wei, Yaxing)22,23; Zeng, N (Zeng, Ning)31; Zhu, QA (Zhu, Qiuan)32; Wang, T (Wang, Tao)1,2
Source PublicationNATURE GEOSCIENCE
2019
Volume12Issue:10Pages:809-814
DOI10.1038/s41561-019-0436-1
Abstract

Clarifying how increased atmospheric CO2 concentration (eCO(2)) contributes to accelerated land carbon sequestration remains important since this process is the largest negative feedback in the coupled carbon-climate system. Here, we constrain the sensitivity of the terrestrial carbon sink to eCO(2) over the temperate Northern Hemisphere for the past five decades, using 12 terrestrial ecosystem models and data from seven CO2 enrichment experiments. This constraint uses the heuristic finding that the northern temperate carbon sink sensitivity to eCO(2) is linearly related to the site-scale sensitivity across the models. The emerging data-constrained eCO(2) sensitivity is 0.64 +/- 0.28 PgC yr(-1) per hundred ppm of eCO(2). Extrapolating worldwide, this northern temperate sensitivity projects the global terrestrial carbon sink to increase by 3.5 +/- 1.9 PgC yr(-1) for an increase in CO2 of 100 ppm. This value suggests that CO2 fertilization alone explains most of the observed increase in global land carbon sink since the 1960s. More CO2 enrichment experiments, particularly in boreal, arctic and tropical ecosystems, are required to explain further the responsible processes.

Subject AreaGeosciences
WOS IDWOS:000488223800008
Language英语
Indexed BySCI
KeywordModel Intercomparison Project Program Multiscale Synthesis Forest Productivity Co2 Fertilization Atmospheric Co2 Nitrogen Uptake Enrichment Cycle Increases Sensitivity
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
Cooperation Status国际
ISSN1752-0894
Department高寒生态重点实验室
URL查看原文
PublisherNATURE PUBLISHING GROUP
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/9145
Collection图书馆
Corresponding AuthorPiao, SL (Piao, Shilong)
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol, Beijing, Peoples R China;
2.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China;
3.Peking Univ, Coll Urban & Environm Sci, Sino French Inst Earth Syst Sci, Beijing, Peoples R China;
4.Int Inst Appl Syst Anal, Laxenburg, Austria;
5.CEA CNRS UVSQ, Lab Sci Climat & Environm, Gif Sur Yvette, France;
6.Tsinghua Univ, Dept Earth Syst Sci, Beijing, Peoples R China;
7.Lawrence Berkeley Natl Lab, Climate & Ecosyst Sci Div, Berkeley, CA USA;
8.Univ Calif Berkeley, Dept Environm Sci Policy & Management, Berkeley, CA USA;
9.Hebei Univ, Coll Life Sci, Baoding, Hebei, Peoples R China;
10.Univ Antwerp, Dept Biol, Antwerp, Belgium;
11.CREAF, Barcelona, Catalonia, Spain;
12.CREAF CSIC UAB, Global Ecol Unit, CSIC, Barcelona, Catalonia, Spain;
13.Ctr Ecol & Hydrol, Wallingford, Oxon, England;
14.McMaster Univ, Sch Geog & Earth Sci, Hamilton, ON, Canada;
15.McMaster Univ, McMaster Ctr Climate Change, Hamilton, ON, Canada;
16.Carnegie Inst Sci, Dept Global Ecol, Stanford, CA USA;
17.CALTECH, Jet Prop Lab, Pasadena, CA USA;
18.Pacific Northwest Natl Lab, Atmospher Sci & Global Change Div, Richland, WA 99352 USA;
19.No Arizona Univ, Sch Earth Sci & Environm Sustainabil, Flagstaff, AZ 86011 USA;
20.Natl Inst Environm Studies, Tsukuba, Ibaraki, Japan;
21.Univ Illinois, Dept Atmospher Sci, Urbana, IL USA;
22.Oak Ridge Natl Lab, Environm Sci Div, Oak Ridge, TN USA;
23.Oak Ridge Natl Lab, Climate Change Sci Inst, Oak Ridge, TN USA;
24.Univ Quebec Montreal, Inst Environm Sci, Dept Biol Sci, Montreal, PQ, Canada;
25.Northwest A&F Univ, Coll Forestry, Lab Ecol Forecasting & Global Change, Yangling, Shaanxi, Peoples R China;
26.NASA, GSFC, Biospher Sci Lab, Greenbelt, MD USA;
27.Woods Hole Res Ctr, Falmouth, MA USA;
28.No Arizona Univ, Ctr Ecosyst Sci & Soc, Flagstaff, AZ 86011 USA;
29.Auburn Univ, Int Ctr Climate & Global Change Res, Auburn, AL 36849 USA;
30.Auburn Univ, Sch Forestry & Wildlife Sci, Auburn, AL 36849 USA;
31.Univ Maryland, Dept Atmospher & Ocean Sci, College Pk, MD 20742 USA;
32.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling, Shaanxi, Peoples R China.
Recommended Citation
GB/T 7714
Liu, YW ,Piao, SL ,Gasser, T ,et al. Field-experiment constraints on the enhancement of the terrestrial carbon sink by CO(2 )fertilization[J]. NATURE GEOSCIENCE,2019,12(10):809-814.
APA Liu, YW .,Piao, SL .,Gasser, T .,Ciais, P .,Yang, H .,...&Wang, T .(2019).Field-experiment constraints on the enhancement of the terrestrial carbon sink by CO(2 )fertilization.NATURE GEOSCIENCE,12(10),809-814.
MLA Liu, YW ,et al."Field-experiment constraints on the enhancement of the terrestrial carbon sink by CO(2 )fertilization".NATURE GEOSCIENCE 12.10(2019):809-814.
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