| 两个同源地不同路径热带气旋的大尺度场对比分析 |
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| 引用本文： | 舒锋敏,林良勋. 两个同源地不同路径热带气旋的大尺度场对比分析[J]. 海洋预报, 2007, 24(4): 102-108 |
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| 作者姓名： | 舒锋敏 林良勋 |
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| 作者单位： | 广州中心气象台,广州,510080;广州中心气象台,广州,510080 |
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| 摘 要： | 本文利用NCEP/NCAR再分析格点资料,着重对8903号"BRENDA"和0601号"珍珠"两个同源地进入南海后不同路径的典型热带气旋的大尺度环境场进行对比分析。结果表明:西风槽的强弱和东移的快慢、西太平洋副高的形状变化和东退西进、冷空气的强弱和南下路径及热带气旋内部的不对称结构是造成二者移动路经差异的主要原因。另,印缅槽的变化也对其路径差异有一定的作用。
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| 关 键 词： | 热带气旋路径 副热带高压 西风槽 印缅槽 冷空气 |
| 文章编号： | 1003-0239（2007）4-0102-07 |
| 修稿时间： | 2006-10-19 |
A Comparison Analysis of the Large Scale Circulations of the Two Tropical Cyclones occurred the same source field with Different Moving Track |
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| SHU Feng-min,LIN Liang-xun. A Comparison Analysis of the Large Scale Circulations of the Two Tropical Cyclones occurred the same source field with Different Moving Track[J]. Marine Forecasts, 2007, 24(4): 102-108 |
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| Authors: | SHU Feng-min LIN Liang-xun |
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| Affiliation: | Guangzhou central observatory, Guangzhou, 510080 China |
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| Abstract: | Based on the NCEP/NCAR reanalysis data, a comparison analysis of the large scale circulations of"BRENDA"and"CHANCHU"is discussed in this article, which are developed in the same source field with different moving track. The results are as follows: the strength and speed of westerly trough, the form changes and movement of the West Pacific subtropical high, the strength and southward path of cold air, and the internal asymmetry structure of the tropical cyclones are the main reasons for their different tracks. Also, the change of India-Burma trough has a certain effect. |
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| Keywords: | the track of tropical cyclone subtropical high westerly trough India-Burma trough cold air |
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