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Climate control of terrestrial carbon exchange across biomes and continents

Environmental research letters, 2010-07, Vol.5 (3), p.034007-034007 [Peer Reviewed Journal]

Copyright IOP Publishing Jul 2010 ;Attribution ;Wageningen University & Research ;ISSN: 1748-9326 ;EISSN: 1748-9326 ;DOI: 10.1088/1748-9326/5/3/034007

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Title:
Climate control of terrestrial carbon exchange across biomes and continents
Author: Yi, Chuixiang ; Xu, Xiyan ; Aires, Luis ; Albertson, John D ; Ammann, Christof ; de Araujo, Alessandro C ; Aurela, Mika ; Barcza, Zoltan ; Barr, Alan ; Berbigier, Paul ; Beringer, Jason ; Bernhofer, Christian ; Black, Andrew T ; Broadmeadow, Mark S J ; Burns, Sean P ; Cellier, Pierre ; Chen, Jiquan ; Ciais, Philippe ; Clement, Robert ; Cook, Bruce D ; Dail, D Bryan ; Dellwik, Ebba ; Delpierre, Nicolas ; Desai, Ankur R ; Dore, Sabina ; Dragoni, Danilo ; Dufrene, Eric ; Dunn, Allison ; Elbers, Jan ; Flanagan, Lawrence B ; Frank, John ; Fuhrer, Juerg ; Gianelle, Damiano ; Goldstein, Allen ; Goulden, Mike ; Guo, Haiqiang ; Han, Shijie ; Haszpra, Laszlo ; Heinesch, Bernard ; Helfter, Carole ; Hendriks, Dimmie ; Hutley, Lindsay B ; Ibrom, Andreas ; Jacobs, Corinne ; Knohl, Alexander ; Kolb, Thomas ; Kutsch, Werner L ; Lafleur, Peter ; Laurila, Tuomas ; Leuning, Ray ; Lindroth, Anders ; Liu, Heping ; Loubet, Benjamin ; Marek, Michal ; Margolis, Hank A ; Martin, Timothy A ; Massman, William J ; Matamala, Roser ; Matteucci, Giorgio ; Meyers, Tilden ; Miglietta, Franco ; Moncrieff, John ; Monson, Russell K ; Montagnani, Leonardo ; Montes-Helu, Mario ; Myklebust, May ; Nagy, Zoltan ; Oechel, Walter ; Oren, Ram ; Pallardy, Stephen G ; Kyaw, Tha Paw U ; Pereira, Joao S ; Pilegaard, Kim ; Pinter, Krisztina ; Pio, Casimiro ; Pita, Gabriel ; Rambal, Serge ; Randerson, James T ; von Randow, Celso ; Rebmann, Corinna ; Roulet, Nigel ; Ryel, Ronald J ; Sagerfors, Jorgen ; Saigusa, Nobuko ; Mugnozza, Giuseppe-Scarascia ; Seufert, Guenther ; Siqueira, Mario ; Soussana, Jean-Francois ; Sutton, Mark A ; Tenhunen, John ; Tuba, Zoltan ; Vogel, Christoph S ; Wang, Jingxin ; Wang, Shaoqiang ; Wang, Weiguo ; Wen, Xuefa ; Wilkinson, Matthew ; Williams, Christopher A ; Wohlfahrt, Georg ; Yu, Guirui
Subjects: Agriculture ; Agriculture & agronomie ; Agriculture & agronomy ; agronomy ; biomes ; CARBON ; CARBON CYCLE ; CARBON DIOXIDE ; Climate ; climate control ; Climate effects ; Climate Research ; CLIMATES ; Continents ; Covariance ; cycle ; deciduous forest ; dioxide ; dryness ; Earth and Related Environmental Sciences ; ecology ; ECOSYSTEMS ; eddy flux ; eddy-covariance measurements ; ENVIRONMENTAL SCIENCES ; Environmental sciences & ecology ; Exchanging ; fluxes ; Geovetenskap och miljövetenskap ; global carbon ; interannual variability ; Klimatforskning ; Life Sciences ; long-term ; Miljövetenskap ; Natural Sciences ; Naturgeografi ; Naturvetenskap ; NEE ; photosynthesis ; Physical Geography ; respiration ; Sciences de l’environnement & écologie ; Sciences du vivant ; SENSITIVITY ; soil respiration ; spatial variability ; temperature ; terrestrial carbon sequestration ; TERRESTRIAL ECOSYSTEMS ; Terrestrial environments ; uncertainty ; Vortices ; water-vapor
Is Part Of: Environmental research letters, 2010-07, Vol.5 (3), p.034007-034007
Description: Understanding the relationships between climate and carbon exchange by terrestrial ecosystems is critical to predict future levels of atmospheric carbon dioxide because of the potential accelerating effects of positive climate–carbon cycle feedbacks. However, directly observed relationships between climate and terrestrial CO2 exchange with the atmosphere across biomes and continents are lacking. Here we present data describing the relationships between net ecosystem exchange of carbon (NEE) and climate factors as measured using the eddy covariance method at 125 unique sites in various ecosystems over six continents with a total of 559 site-years. We find that NEE observed at eddy covariance sites is (1)a strong function of mean annual temperature at mid-and high-latitudes, (2)a strong function of dryness at mid-and low-latitudes, and (3)a function of both temperature and dryness around the mid-latitudinal belt (45°N). The sensitivity of NEE to mean annual temperature breaks down at ∼ 16 °C (a threshold value of mean annual temperature), above which no further increase of CO2 uptake with temperature was observed and dryness influence overrules temperature influence.
Publisher: Bristol: Iop Publishing Ltd
Language: English
Identifier: ISSN: 1748-9326
EISSN: 1748-9326
DOI: 10.1088/1748-9326/5/3/034007
Source: IOP Publishing Free Content

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Climate control of terrestrial carbon exchange across biomes and continents

Copyright IOP Publishing Jul 2010 ;Attribution ;Wageningen University & Research ;ISSN: 1748-9326 ;EISSN: 1748-9326 ;DOI: 10.1088/1748-9326/5/3/034007

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