| Some Phenomena of the Interaction Between Vegetation and a Atmosphere on Multiple Scales |
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| 作者姓名： | 胡隐樵 陈晋北 郑元润 李国庆 左洪超 |
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| 作者单位： | [1]Key Laboratory of Arid Climatic Change and Reducing Disaste of Gansu Province,Cold and Arid Regions Environment and Engineering Institute, CAS, Lanzhou 730000 [2]College of Atmospheric Sciences, Lanzhou University, Lanzhou 730000 [3]Institute of Botany, CAS, Beijing 100081 |
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| 摘 要： | This article studies the response of the distribution pattern and the physiological characteristics of the ecosystem to the spontaneous precipitation and the interaction between vegetation and the atmosphere on multiple scales in arid and semi-arid zones, based on measured data of the ecological physiological parameters in the Ordas Plateau of northern China. The results show that the vegetation biomass and the energy use efficiency of photosynthesis are especially sensitive to the annual precipitation; strong and complex interactions exist between the vegetation and the atmosphere on multiple scales leading to supernormal thermal heterogeneity of the underlying surface, the strong vortex movement and turbulence. This study can facilitate understanding of the land surface processes and the influences of global climate change as well as human activities on the human environment in the arid and semi-arid zones. It also aids in improving the parameterization schemes of turbulent fluxes of a heterogeneous underlying surface for land surface processes in climate models.
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| 关 键 词： | 气候变化 干旱区 生态系统 大气圈 降雨量 |
| 收稿时间： | 2005-06-21 |
| 修稿时间： | 2006-01-21 |
Some phenomena of the interaction between vegetation and a atmosphere on multiple scales |
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| Yinqiao Hu,Jinbei Chen,Yuanrun Zheng,Guoqing Li,Hongchao Zuo.Some Phenomena of the Interaction Between Vegetation and a Atmosphere on Multiple Scales[J].Advances in Atmospheric Sciences,2006,23(4):639-648. |
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| Authors: | Yinqiao Hu Jinbei Chen Yuanrun Zheng Guoqing Li Hongchao Zuo |
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| Affiliation: | Key Laboratory of Arid Climatic Change and Reducing Disaste of Gansu Province, Cold and Arid Regions Environment and Engineering Institute, CAS, Lanzhou 730000,College of Atmospheric Sciences, Lanzhou University, Lanzhou 730000,Institute of Botany, CAS, Beijing 100081,Institute of Botany, CAS, Beijing 100081,College of Atmospheric Sciences, Lanzhou University, Lanzhou 730000 |
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| Abstract: | This article studies the response of the distribution pattern and the physiological characteristics of the ecosystem to the spontaneous precipitation and the interaction between vegetation and the atmosphere on multiple scales in arid and semi-arid zones, based on measured data of the ecological physiological parameters in the Ordas Plateau of northern China. The results show that the vegetation biomass and the energy use efficiency of photosynthesis are especially sensitive to the annual precipitation; strong and complex interactions exist between the vegetation and the atmosphere on multiple scales leading to supernormal thermal heterogeneity of the underlying surface, the strong vortex movement and turbulence.This study can facilitate understanding of the land surface processes and the influences of global climate change as well as human activities on the human environment in the arid and semi-arid zones. It also aids in improving the parameterization schemes of turbulent fluxes of a heterogeneous underlying surface for land surface processes in climate models. |
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| Keywords: | climate arid zone precipitation ecosystem climate change |
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