Terrestrial Gross Carbon Dioxide Uptake: Global Distribution and Covariation with Climate

被引：2341

作者：

Beer, Christian ^{[1
]}

Reichstein, Markus ^{[1
]}

Tomelleri, Enrico ^{[1
]}

Ciais, Philippe ^{[2
]}

Jung, Martin ^{[1
]}

Carvalhais, Nuno ^{[1
,3
]}

Roedenbeck, Christian

Arain, M. Altaf ^{[4
]}

Baldocchi, Dennis ^{[5
,6
]}

Bonan, Gordon B. ^{[7
]}

Bondeau, Alberte ^{[8
]}

Cescatti, Alessandro ^{[9
]}

Lasslop, Gitta ^{[1
]}

Lindroth, Anders ^{[10
]}

Lomas, Mark ^{[11
]}

Luyssaert, Sebastiaan ^{[12
]}

Margolis, Hank ^{[13
]}

Oleson, Keith W. ^{[7
]}

Roupsard, Olivier ^{[14
,15
]}

Veenendaal, Elmar ^{[16
]}

Viovy, Nicolas ^{[2
]}

Williams, Christopher ^{[17
]}

Woodward, F. Ian

Papale, Dario ^{[18
]}

机构：

[1] Max Planck Inst Biogeochem, Biogeochem Model Data Integrat Grp, D-07745 Jena, Germany

[2] CEA CNRS UVSQ, Inst Pierre Simon Laplace, Lab Sci Climat & Environm, Gif Sur Yvette, France

[3] Univ Nova Lisboa, FCT, Caparica, Portugal

[4] McMaster Univ, McMaster Ctr Climate Change, Hamilton, ON, Canada

[5] Univ Calif Berkeley, Dept Environm Sci Policy & Management, Berkeley, CA 94720 USA

[6] Univ Calif Berkeley, Berkeley Atmospher Sci Ctr, Berkeley, CA 94720 USA

[7] Natl Ctr Atmospher Res, Boulder, CO 80305 USA

[8] Potsdam Inst Climate Impact Res PIK, D-14473 Potsdam, Germany

[9] Commiss European Communities, DG Joint Res Ctr, Inst Environm & Sustainabil, Climate Change Unit, Ispra, Italy

[10] Lund Univ, Dept Earth & Ecosyst Sci, S-22100 Lund, Sweden

[11] Univ Sheffield, Dept Anim & Plant Sci, Sheffield S10 2TN, S Yorkshire, England

[12] Univ Antwerp, Dept Biol, Antwerp, Belgium

[13] Univ Laval, Ctr Etud Foret, Fac Foresterie Geogr & Geomat, Quebec City, PQ, Canada

[14] Cirad Persyst, UPR80, Fonct & Pilotage Ecosyst Plantat, Montpellier, France

[15] CATIE, Turrialba, Costa Rica

[16] Wageningen Univ, Nat Conservat & Plant Ecol Grp, Wageningen, Netherlands

[17] Clark Univ, Grad Sch Geog, Worcester, MA 01610 USA

[18] Univ Tuscia, Dept Forest Enviromm & Resources, Viterbo, Italy

来源：

SCIENCE | 2010年 / 329卷 / 5993期

基金：

加拿大自然科学与工程研究理事会; 美国国家科学基金会;

关键词：

VEGETATION; BIOSPHERE; CO2; RADIATION; PRODUCTS; FRACTION; SULFIDE; NETWORK; IMPACT; MODEL;

D O I：

10.1126/science.1184984

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

070301 [无机化学]; 070403 [天体物理学]; 070507 [自然资源与国土空间规划学]; 090105 [作物生产系统与生态工程];

摘要：

Terrestrial gross primary production (GPP) is the largest global CO2 flux driving several ecosystem functions. We provide an observation-based estimate of this flux at 123 +/- 8 petagrams of carbon per year (Pg C year(-1)) using eddy covariance flux data and various diagnostic models. Tropical forests and savannahs account for 60%. GPP over 40% of the vegetated land is associated with precipitation. State-of-the-art process-oriented biosphere models used for climate predictions exhibit a large between-model variation of GPP's latitudinal patterns and show higher spatial correlations between GPP and precipitation, suggesting the existence of missing processes or feedback mechanisms which attenuate the vegetation response to climate. Our estimates of spatially distributed GPP and its covariation with climate can help improve coupled climate-carbon cycle process models.

引用

页码：834 / 838

页数：5

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