globalchange  > 影响、适应和脆弱性
DOI: 10.1088/1748-9326/10/9/094001
论文题名:
Uncertainty in the response of transpiration to CO2 and implications for climate change
作者: N Mengis; D P Keller; M Eby; A Oschlies
刊名: Environmental Research Letters
ISSN: 1748-9326
出版年: 2015
发表日期: 2015-08-28
卷: 10, 期:9
语种: 英语
英文摘要:

While terrestrial precipitation is a societally highly relevant climate variable, there is little consensus among climate models about its projected 21st century changes. An important source of precipitable water over land is plant transpiration. Plants control transpiration by opening and closing their stomata. The sensitivity of this process to increasing CO2 concentrations is uncertain. To assess the impact of this uncertainty on future climate, we perform experiments with an intermediate complexity Earth System Climate Model (UVic ESCM) for a range of model-imposed transpiration-sensitivities to CO2. Changing the sensitivity of transpiration to CO2 causes simulated terrestrial precipitation to change by −10% to +27% by 2100 under a high emission scenario. This study emphasises the importance of an improved assessment of the dynamics of environmental impact on vegetation to better predict future changes of the terrestrial hydrological and carbon cycles.

URL: http://iopscience.iop.org/article/10.1088/1748-9326/10/9/094001
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/14281
Appears in Collections:影响、适应和脆弱性
气候减缓与适应

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作者单位: Helmholtz Centre for Ocean Research Kiel (GEOMAR), Düsternbrooker Weg 20, D-24105 Kiel, Germany;Helmholtz Centre for Ocean Research Kiel (GEOMAR), Düsternbrooker Weg 20, D-24105 Kiel, Germany;School of Earth and Ocean Sciences, University of Victoria, Victoria, British Columbia, Canada;Helmholtz Centre for Ocean Research Kiel (GEOMAR), Düsternbrooker Weg 20, D-24105 Kiel, Germany;Kiel University, D-24098 Kiel, Germany

Recommended Citation:
N Mengis,D P Keller,M Eby,et al. Uncertainty in the response of transpiration to CO2 and implications for climate change[J]. Environmental Research Letters,2015-01-01,10(9)
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