本文已被：浏览 945次 下载 1119次
中文摘要: 根据天津气象铁塔1990—1992年冬季8个月的风速、风向、温度等资料的分析，得到了天津250m以下边界层中风切变的若干特征，如风垂直分布幂次律中指数p的时空变化及频数分布，各层各时段风切变的频数分布，风切变与温度梯度、稳定度的关系。这些特征有助于对城市下垫面塔层中风垂直分布的了解。还分析了冷锋过境前后风切变及温度状况的分布情况。
中文关键词: 塔层，风切变，冷锋
Abstract:Based on the data analysis of the wind speed,wind direction and temperature observedon Tianjin tower during 8 months in the winter season of 1990-1992,the characteristics ofwind shear in the boundary layer below 250m in Tianjin are given,such as the temporal andspatial variations of the index pin the power law of the wind profile,the frequency distribution of the wind shear in different layers and different time intervals,the relation between thewind shear and stability. The vertical distribution of wind in the tower layer over the city ispresented. The variations of the wind shear and temperature during the passage of cold frontare also analysed.
keywords: tower layer,wind shear,cold front
文章编号： 中图分类号： 文献标志码：
基金项目:
| Author Name | Affiliation |
引用文本：
赵鸣,唐有华,刘学军,1996.天津塔层风切变的研究[J].气象,22(1):7-12.
,1996.A Study of Wind Shear in Tower Layer over Tianjin[J].Meteor Mon,22(1):7-12.
赵鸣,唐有华,刘学军,1996.天津塔层风切变的研究[J].气象,22(1):7-12.
,1996.A Study of Wind Shear in Tower Layer over Tianjin[J].Meteor Mon,22(1):7-12.