| 陕西省干旱及其环流特征 |
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| 引用本文： | 李平,候明全,董长林.陕西省干旱及其环流特征[J].气象,1997,23(4):39-42. |
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| 作者姓名： | 李平 候明全 董长林 |
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| 作者单位： | 陕西省气象台 |
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| 摘 要： | 从大气环流特征、干旱指数Ｓ及信噪比等三个方面对陕西省近几年干旱月份进行了分析，发现陕西干旱的大气环流可分为东亚大槽稳定型，西太平洋副热带高压控制型，青藏高压持续影响型，东亚大槽稳定型的干旱最为严重。
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| 关 键 词： | 干旱 环流特征 大气环流 |
Drought and its Circulation Features in Shaanxi Province |
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| Li Ping,Hou Mingquan,Dong Changling.Drought and its Circulation Features in Shaanxi Province[J].Meteorological Monthly,1997,23(4):39-42. |
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| Authors: | Li Ping Hou Mingquan Dong Changling |
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| Abstract: | Shaanxi province drought months in recent years were analysed by examining the atmosphere general circulation features,drought index S and the signal to noise ratio.The results show that the general circulation of Shaanxi drought can be divided into three patterns:the stabilization of East Asian long wave trough,the dominance of west pacific subtropical high and the persistence of Tibetan high.The drought associated with the East Asian long wave trough is the most serious. |
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| Keywords: | general circulation pattern drought index signal to noise ratio |
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