华北地区中尺度对流复合体的三维结构
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摘要
中尺度对流复合体(MCC)常常造成暴雨和洪涝灾害。在对华北地区MCC普查的基础上,选取5个典型个例,通过合成与诊断分析的方法考察了成熟期MCC的内部环流特征及其中-α尺度特征,并使用五维大型可视化软件PC-Vis5D展示了合成MCC的三维环流、散度、涡度和热力结构。结果表明,华北地区成熟期MCC的结构与北美地区有所不同。
The Mesoscale Convective Complex( MCC) often generates the torrential rainfall and the flood disaster in China in summer. The composite circulation situation when MCC in mature period was obtained through five typical MCCs selected from general investigation of MCC in north China plain. We used the diagnostic analysis to investigate the internal circulation structures and meso-α-scale structures of MCC in mature period. And we used the PC-VIS5D system to display the three-dimension structures and thermodynamic structures of MCC in mature period. The result we got is helpful to further research and forecast weather about MCC.
The Mesoscale Convective Complex( MCC) often generates the torrential rainfall and the flood disaster in China in summer. The composite circulation situation when MCC in mature period was obtained through five typical MCCs selected from general investigation of MCC in north China plain. We used the diagnostic analysis to investigate the internal circulation structures and meso-α-scale structures of MCC in mature period. And we used the PC-VIS5D system to display the three-dimension structures and thermodynamic structures of MCC in mature period. The result we got is helpful to further research and forecast weather about MCC.
引文
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[8]Zheng Y G.,Tao Z Y,Wang H.Q,et.al.,Environment of meso-a-scale convective system development in Yellow Sea region[J].Progress Natur.Sci.,1999,9(11):842-848.
[9]郑永光,朱佩君,陈敏,等,1993~1996黄海及其周边地区MaCS的普查分析[J].北京大学学报(自然科学版),2004,40(1),66-72.
[10]吕艳彬,郑永光,李亚萍,等.华北平原中尺度对流复合体发生的环境和条件[J].应用气象学报,2002,13(4):406-412.
[2]Maddox,R A.Large-scale meteorological conditions associated with midlatitude mesoscale convective complexes[J].Mon.wea.rev,1983(111):1475-1493.
[3]W R Cotton,Lin M.-S,Mc Anelly R.L,C J Tremback.A composite model of mesoscale convective complexes.Mon.Wea.Rev.,1989,117:765-783
[4]Fang Zongyi.The preliminary study of medium-scale cloud clusters over the Changjiang basin in summer[J].Adv.Atmos.Sci.,1985,2(3):334-340.
[5]李玉兰,王倩熔,郑新江,等.中国西南-华南地区中尺度对流复合体(MCC)的研究[J].大气科学,1989,13:417-422.
[6]项续康,江吉喜.中国南方地区的中尺度对流复合体[J].应用气象学报,1995,6(1):1-17.
[7]陶祖钰,黄伟,顾雷.常规资料揭示的中尺度对流复合体的环流结构[J].热带气象学报,1996,12(4):372-379.
[8]Zheng Y G.,Tao Z Y,Wang H.Q,et.al.,Environment of meso-a-scale convective system development in Yellow Sea region[J].Progress Natur.Sci.,1999,9(11):842-848.
[9]郑永光,朱佩君,陈敏,等,1993~1996黄海及其周边地区MaCS的普查分析[J].北京大学学报(自然科学版),2004,40(1),66-72.
[10]吕艳彬,郑永光,李亚萍,等.华北平原中尺度对流复合体发生的环境和条件[J].应用气象学报,2002,13(4):406-412.