| 青藏高原中部地区不稳定大气边界层高度的确定与分析 |
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| 引用本文： | 宋星灼,张宏升,刘新建,范邵华,刘辉志,胡非,李诗明,周明煜,卞林根,徐祥德.青藏高原中部地区不稳定大气边界层高度的确定与分析[J].北京大学学报(自然科学版),2006,42(3):328-333. |
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| 作者姓名： | 宋星灼 张宏升 刘新建 范邵华 刘辉志 胡非 李诗明 周明煜 卞林根 徐祥德 |
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| 作者单位： | 北京大学物理学院大气科学系,北京,100871;北京大学物理学院大气科学系,北京,100871;中国科学院大气物理研究所大气边界层物理和大气化学国家重点实验室,北京,100029;中国科学院大气物理研究所大气边界层物理和大气化学国家重点实验室,北京,100029;国家海洋环境预报中心,北京,100081;中国气象科学研究院,北京,100081 |
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| 基金项目： | 国家高技术研究发展计划(863计划)，北京市自然科学基金 |
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| 摘 要： | 利用1998年第2次青藏高原大气科学实验（Tibet Plateau Experiment, TIPEX）当雄大气边界层加强观测站的湍流观测资料，计算了青藏高原中部地区不稳定大气边界层的高度；结合低空探空获取的温度随高度的探测资料，对比分析了高原边界层演变规律，以及实验站干季、雨季不同时期的高原边界层发展规律异同；讨论了高原边界层厚度受高原地形的影响。得到高原边界层演变规律及高原边界层发展迅速，持续时间长等特点。
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| 关 键 词： | 青藏高原 大气边界层高度 峰值频率 湍流谱 |
| 收稿时间： | 2005-04-26 |
| 修稿时间： | 2005-04-262005-06-07 |
Determination of Atmospheric Boundary Layer Height in Unstable Conditions over the Middle Tibetan Plateau |
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| SONG Xingzhuo,ZHANG Hongsheng,LIU Xinjian,FAN Shaohua,LIU Huizhi,HU Fei,LI Shiming,ZHOU Mingyu,BIAN Lingen,XU Xiangde.Determination of Atmospheric Boundary Layer Height in Unstable Conditions over the Middle Tibetan Plateau[J].Acta Scientiarum Naturalium Universitatis Pekinensis,2006,42(3):328-333. |
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| Authors: | SONG Xingzhuo ZHANG Hongsheng LIU Xinjian FAN Shaohua LIU Huizhi HU Fei LI Shiming ZHOU Mingyu BIAN Lingen XU Xiangde |
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| Institution: | 1. Department of Atmospheric Sciences, School of Physics, Peking University, Beijing, 100871 ; 2. Chinese Academy of Sciences, Institute of Atmospheric Physics, Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Beijing , 100029; 3. The National Center of Marine Environmental Forecast , Belting, 100081; 4. Chinese Academy of Meteorological Sciences, Beijing, 100081 |
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| Abstract: | The atmospheric boundary layer (ABL) height z-i in unstable condition was analyzed using turbulence data from Damxung observational station, which was one of the ABL observational stations in the second Tibet Plateau Experiment (TIPEX) in 1998. Together with the observational vertical profiles of temperatures, the authors studied the diurnal and seasonal evolution characteristics of the ABL over the Tibet Plateau, analyzed both differences and similarities of the ABL between dry and wet seasons, and explored the terrain influence on the ABL height. The results show that the ABL over Tibet Plateau has the characteristics of development and lasting over a longer time. |
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| Keywords: | Tibetan Plateau atmospherie boundary layer height peak spectral frequency turbulent spectral |
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