| 青藏高原低涡活动特征统计分析 |
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| 引用本文： | 唐信英,周长艳,王鸽.青藏高原低涡活动特征统计分析[J].高原山地气象研究,2014,34(3):41-44. |
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| 作者姓名： | 唐信英 周长艳 王鸽 |
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| 作者单位： | 中国气象局成都高原气象研究所, 成都 610072 |
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| 基金项目： | 国家自然科学基金项目，中国气象局成都高原气象研究所科研费专项经费项目 |
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| 摘 要： | 利用1998~2011年《青藏高原低涡切变线年鉴》的资料,统计分析了高原低涡的活动特征。结果表明:14年共出现高原低涡561次,其中高原东部低涡466次,高原西部低涡95次;2000~2009年,高原低涡出现次数逐年升高;高原低涡主要出现在夏季,月变化明显,其中7月出现次数最多,2月出现最少;高原低涡移出高原的影响系统包括低槽类和切变类,分别占28.8%,71.2%。
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| 关 键 词： | 青藏高原低涡 移出低涡 影响系统 |
| 收稿时间： | 2014-08-03 |
Statistical Analysis on the Plateau Low Vortex Activity Characteristics |
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| TANG Xinying,ZHOU Changyan,WANG Ge.Statistical Analysis on the Plateau Low Vortex Activity Characteristics[J].Plateau and Mountain Meteorology Research,2014,34(3):41-44. |
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| Authors: | TANG Xinying ZHOU Changyan WANG Ge |
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| Affiliation: | Institute of Plateau Meteorology, CMA, Chengdu 610072, China |
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| Abstract: | The activity characteristics of the Plateau Low Vortex are investigated by using the yearbook Qinghai-Xizang Plateau vortex from 1998 to 2011. The results showed that:of 14 years, the plateau vortex appeared five hundred and sixty-one times, including four hundred and sixty-six times in eastern plateau vortex, ninety-five timesin western plateau vortex;the plateau vortex occurrences increased year by year from 2000 to 2009;the plateau vortex occurred mainly in the summer and the monthly changes significantly, up to July, the number of occurrences which, in February there is at least;there are two system including low slot and shear which influence the plateau vortex moving out of the plateau, respectively, 28.8%, 71.2%. |
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