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

Beer, Christian ; Reichstein, Markus ; Tomelleri, Enrico ; Ciais, Philippe ; Jung, Martin ; Carvalhais, Nuno ; Roedenbeck, Christian ; Arain, M. Altaf ; Baldocchi, Dennis and Bonan, Gordon B. , et al. (2010) In Science 329(5993). p.834-838
Abstract
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... (More)
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. (Less)
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Science
volume
329
issue
5993
pages
834 - 838
publisher
American Association for the Advancement of Science (AAAS)
external identifiers
  • wos:000280809900049
  • scopus:77955623505
  • pmid:20603496
ISSN
1095-9203
DOI
10.1126/science.1184984
language
English
LU publication?
yes
id
0817eab2-7785-46ea-9d9f-48c09a915da5 (old id 1674080)
date added to LUP
2016-04-01 13:16:21
date last changed
2024-07-03 09:54:53
@article{0817eab2-7785-46ea-9d9f-48c09a915da5,
  abstract     = {{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.}},
  author       = {{Beer, Christian and Reichstein, Markus and Tomelleri, Enrico and Ciais, Philippe and Jung, Martin and Carvalhais, Nuno and Roedenbeck, Christian and Arain, M. Altaf and Baldocchi, Dennis and Bonan, Gordon B. and Bondeau, Alberte and Cescatti, Alessandro and Lasslop, Gitta and Lindroth, Anders and Lomas, Mark and Luyssaert, Sebastiaan and Margolis, Hank and Oleson, Keith W. and Roupsard, Olivier and Veenendaal, Elmar and Viovy, Nicolas and Williams, Christopher and Woodward, F. Ian and Papale, Dario}},
  issn         = {{1095-9203}},
  language     = {{eng}},
  number       = {{5993}},
  pages        = {{834--838}},
  publisher    = {{American Association for the Advancement of Science (AAAS)}},
  series       = {{Science}},
  title        = {{Terrestrial Gross Carbon Dioxide Uptake: Global Distribution and Covariation with Climate}},
  url          = {{http://dx.doi.org/10.1126/science.1184984}},
  doi          = {{10.1126/science.1184984}},
  volume       = {{329}},
  year         = {{2010}},
}