| Analysis of Turbulence Characteristics over the Northern Tibetan Plateau Area |
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| 作者姓名： | 李茂善 马耀明 马伟强 胡泽勇 字方林 |
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| 作者单位： | Cold and Arid Region Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, Key Laboratory of Regional Climate-Environment Research for Temperate East Asia (RCE-TEA), Chinese Academy of Sciences, Beijing 100029,Cold and Arid Region Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100085,Cold and Arid Region Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, Key Laboratory of Regional Climate-Environment Research for Temperate East Asia (RCE-TEA), Chinese Academy of Sciences, Beijing 100029,Cold and Arid Region Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000,Disaster Prevention Research Institute, Kyoto University, 611–0011 Japan,International Institutes for Geo-Information Science and Earth Observation (ITC), Hengelosestraat 99, P. O. Box 6, 7500 AA Enschede, The Netherlands,Cold and Arid Region Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000 |
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| 基金项目： | 中国科学院基金，国家自然科学基金 |
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| 摘 要： | Based on CAMP/Tibet Coordinated Enhanced Observing Period (CEOP) Asia-Australia Monsoon Project (CAMP) on the Tibetan Plateau] turbulent data collected at the Bujiao (BJ) site of the Nagqu area, the turbulent structure and transportation characteristics in the near surface layer during summer are analyzed. The main results show that the relationship between the normalized standard deviation of 3D wind speed and stability satisfies the similarity law under both unstable and stable stratifications. The relations of normalized standard deviation of temperature and specific humidity to stability only obey the “?1/3 power law” under unstable conditions. In the case of stable stratifications, their relations to stability are dispersing. The sensible heat dominates in the dry period, while in the wet period, the latent heat is larger than the sensible heat.
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| 关 键 词： | 暴雨 青藏高原 湍流 大气运动 大气环流 |
| 收稿时间： | 2005-03-10 |
| 修稿时间： | 2005-12-19 |
Analysis of turbulence characteristics over the northern Tibetan Plateau area |
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| Maoshan Li,Yaoming Ma,Weiqiang Ma,Zeyong Hu,Hirohiko Ishikawa,Zhongbo Su,Fanglin Sun.Analysis of Turbulence Characteristics over the Northern Tibetan Plateau Area[J].Advances in Atmospheric Sciences,2006,23(4):579-585. |
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| Authors: | Maoshan Li Yaoming Ma Weiqiang Ma Zeyong Hu Hirohiko Ishikawa Zhongbo Su Fanglin Sun |
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| Institution: | (1) Cold and Arid Region Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, 730000, China;(2) Key Laboratory of Regional Climate-Environment Research for Temperate East Asia. (RCE-TEA), Chinese Academy of Sciences, Beijing, 100029, China;(3) Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, 100085, China;(4) Disaster Prevention Research Institute, Kyoto University, 611-0011, Japan;(5) International Institutes for Geo-Information Science and Earth Observation (ITC), Hengelosestraat 99, P. O. Box 6, 7500 AA Enschede, The Netherlands |
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| Abstract: | Based on CAMP/Tibet Coordinated Enhanced Observing Period (CEOP) Asia-Australia Monsoon Project (CAMP) on the Tibetan Plateau] turbulent data collected at the Bujiao (BJ) site of the Nagqu area, the turbulent structure and transportation characteristics in the near surface layer during summer are analyzed. The main results show that the relationship between the normalized standard deviation of 3D wind speed and stability satisfies the similarity law under both unstable and stable stratifications.The relations of normalized standard deviation of temperature and specific humidity to stability only obey the "-1/3 power law" under unstable conditions. In the case of stable stratifications, their relations to stability are dispersing. The sensible heat dominates in the dry period, while in the wet period, the latent heat is larger than the sensible heat. |
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| Keywords: | normalized standard deviation eddy correlation method turbulent flux |
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