| 北京泥石流暴雨基本特征 |
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| 引用本文： | 吴正华,储锁龙. 北京泥石流暴雨基本特征[J]. 大气科学, 1992, 16(4): 476-481. DOI: 10.3878/j.issn.1006-9895.1992.04.10 |
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| 作者姓名： | 吴正华 储锁龙 |
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| 作者单位： | 北京市气象科学研究所，北京市气象科学研究所 北京 100081，北京 100081 |
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| 摘 要： | 本文分析了北京地区泥石流暴雨的时空分布特征,并指出,泥石流暴雨主要是盛夏经向环流背景下的华北暴雨过程;局地大气有明显潜在不稳定,降水强度达60mm/h以上;泥石流暴雨落区是位于地面中尺度能量锋区、能量锋锋生和强水汽辐合的重叠区域.
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| 关 键 词： | 泥石流 暴雨 诊断分析 北京 |
Basic characteristics of the rainstorm-producting mud-rock flow in Beijing area |
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| Wu Zhenghua and Chu Suolong. Basic characteristics of the rainstorm-producting mud-rock flow in Beijing area[J]. Chinese Journal of Atmospheric Sciences, 1992, 16(4): 476-481. DOI: 10.3878/j.issn.1006-9895.1992.04.10 |
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| Authors: | Wu Zhenghua and Chu Suolong |
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| Abstract: | In this paper, temporal- spatial distribution of the rainstorm- producting mud- rock flow is analysed.It is pointed out that mud-rock flow rainstorm happens mainly in the situation of longitudinal circulation in North China. In the mud-rock flow area, local atmosphere is evidently latent instable, and the rainfall intensity is greater than mm/hour. The rainstorm area is located in the overlapping area of the mesoscale moist statical energe front zone, frontgenesis and strong moisture covergence on the surface. |
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| Keywords: | Mud-rock flow Rainstorm Diagnostic analysis Beijing. |
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