广西沿海的风况特征

作者：邓朝亮1  孔宁谦2

单位：1. 广西海洋研究所 北海; 2. 广西海洋气象台 北海

关键词：沿海风场 主导风向 大风类型 广西

分类号：

出版年·卷·期（页码）：1999·16·第一期（71-78）

摘要：

本文描述了广西沿海风速风向的基本特征,用主导风向的演变讨论了季风环流的交替和转换,指出:风场对环流的调整响应敏感;海陆间平均风速的差值主要由热带天气系统和冷空气活动两因素影响,且两因素的作用因地而异;海陆风速日变幅存在明显差异,沿海大风主要有四种类型,以热带风暴大风和局地强对流大风危害为重。

In this paper, some characterist ics of wind speed and direction in the coastal region of Guangxi were described. By means of the frequency diagrams of prevailing wind direction, the evolution of win-ter-summer monsoon were discussed. The results showed that the response of wind field to monsoon ci-r culation is more sensitive than that of temperature, and there exist differences of mean wind speed and hourly velocity range between offshore and coast, the former was attributed to tropical low systems, cold air activity, and the act sites for both factors; the latter was affected by the surface feature. There are four types of gale, among which tropic storms and local intensive convection in coastal region of Guangxi, often cause serious damage.

参考文献：

[1] 张家诚等, 1985: 中国气候·上海, 上海科学技术出版社。 [2] 广西海管委, 1996: 广西海岛资源综合调查报告, 南宁, 广西科学技术出版社。 [3] 蒙远文等, 1989: 广西天气及其预报, 北京, 气象出版社。 [4] 宋德众等, 1986: 福建海岛气候, 北京, 气象出版社。 [5] 鹿世瑾, 1990: 华南气候, 北京, 气象出版社。

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