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在EBEX-2000实验资料中的湍流宏观量特征 预览 被引量:10

Characteristics of Macroturbulence Variables in EBEX-2000
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摘要 采用2000年8月在美国加州棉花地两个高度上应用超声三分量仪、快速响应温度和湿度仪进行的EBEX-2000 (International Energy Balance Experiment, 2000) 风速三分量、温度和湿度湍流实验观测数据, 计算分析了湍流宏观量(即 u*, T*, σu/u*, σv/u*, σw/u*和σT/T*等), 湍流动能和感热通量等的特征, 并与其他湍流实验得到的结果进行了比较. Three velocity components, temperature and humidity are measured using three-dimensional sonic anemometers, krypton hygrometer and fast thermometers at two levels, above a cotton field in California, U.S.A in August 2000 (International Energy Balance Experiment, EBEX-2000). Macroturbulence variables (i.e. u *, T *, σu/u*, σv/u*, σw/u*, and σT/T* etc.), turbulence kinetic energy and sensible heat flux are calculated and their characters are analyzed under different stability and compared with the results of other experiments.
作者 刘树华 李洁 刘和平 梁福明 王建华 Johnny C. L. CHAN Andrew Y. S. CHENG 胡非 刘辉志 LIU Shu-Hua 1, 3, LI Jie 1, LIU He-Ping 1, LIANG Fu-Ming 1, WANG Jian-Hua 1, Johnny C. L. CHAN 2, Andrew Y. S. CHENG 2, HU Fei 3, and LIU Hui-Zhi 31 Group of Atmosphere Boundary Layer and Turbulence, Ministry Laboratory of Storm and Drought / Flood Damages, Department of Atmospheric Sciences, School of Physics, Peking University, Beijing 100871 2 Department of Physics and Materials Science, City University of Hong Kong, Tat Chee Avenue Kowloon, Hong Kong 3 State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029
出处 《大气科学》 CSCD 北大核心 2005年第4期 503-509,共7页 Chinese Journal of Atmospheric Sciences
基金 国家自然科学基金,香港城市大学校科研和教改项目,国家重点实验室基金
关键词 EBEX-2000(International ENERGY BALANCE Experiment 2000) 湍流宏观量 湍流动能 感热通量 EBEX-2000 (International Energy Balance Experiment, 2000) macroturbulence variables, turbulence kinetic energy, sensible heat flux
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参考文献11

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