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The dominant role o...
The dominant role of semi-arid ecosystems in the trend and variability of the land CO2 sink
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- Ahlström, Anders (author)
- Lund University,Lunds universitet,Institutionen för naturgeografi och ekosystemvetenskap,Naturvetenskapliga fakulteten,Dept of Physical Geography and Ecosystem Science,Faculty of Science
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Raupach, Michael R. (author)
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Schurgers, Guy (author)
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- Smith, Benjamin (author)
- Lund University,Lunds universitet,Institutionen för naturgeografi och ekosystemvetenskap,Naturvetenskapliga fakulteten,Dept of Physical Geography and Ecosystem Science,Faculty of Science
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Arneth, Almut (author)
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Jung, Martin (author)
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Reichstein, Markus (author)
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Canadell, Josep G. (author)
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Friedlingstein, Pierre (author)
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Jain, Atul K. (author)
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Kato, Etsushi (author)
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Poulter, Benjamin (author)
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Sitch, Stephen (author)
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Stocker, Benjamin D. (author)
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Viovy, Nicolas (author)
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Wang, Ying Ping (author)
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Wiltshire, Andy (author)
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Zaehle, Sönke (author)
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Zeng, Ning (author)
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(creator_code:org_t)
- American Association for the Advancement of Science (AAAS), 2015
- 2015
- English.
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In: Science. - : American Association for the Advancement of Science (AAAS). - 1095-9203 .- 0036-8075. ; 348:6237, s. 895-899
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Abstract
Subject headings
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- The growth rate of atmospheric carbon dioxide (CO2) concentrations since industrialization is characterized by large interannual variability, mostly resulting from variability in CO2 uptake by terrestrial ecosystems (typically termed carbon sink). However, the contributions of regional ecosystems to that variability are not well known. Using an ensemble of ecosystem and land-surface models and an empirical observation-based product of global gross primary production, we show that the mean sink, trend, and interannual variability in CO2 uptake by terrestrial ecosystems are dominated by distinct biogeographic regions. Whereas the mean sink is dominated by highly productive lands (mainly tropical forests), the trend and interannual variability of the sink are dominated by semi-arid ecosystems whose carbon balance is strongly associated with circulation-driven variations in both precipitation and temperature.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Naturgeografi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Physical Geography (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Ahlström, Anders
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Raupach, Michael ...
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Schurgers, Guy
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Smith, Benjamin
-
Arneth, Almut
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Jung, Martin
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show more...
-
Reichstein, Mark ...
-
Canadell, Josep ...
-
Friedlingstein, ...
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Jain, Atul K.
-
Kato, Etsushi
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Poulter, Benjami ...
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Sitch, Stephen
-
Stocker, Benjami ...
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Viovy, Nicolas
-
Wang, Ying Ping
-
Wiltshire, Andy
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Zaehle, Sönke
-
Zeng, Ning
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Physical Geograp ...
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Science
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Lund University