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汕尾浮标站的风况特征分析
引用本文:孙喜艳,程正泉,李楚燕.汕尾浮标站的风况特征分析[J].广东气象,2014,36(6):6-10.
作者姓名:孙喜艳  程正泉  李楚燕
作者单位:1. 汕尾市气象局,广东汕尾,516600
2. 广东省气象台,广东广州,510080
3. 空军航空大学航空理论系,吉林长春,130022
基金项目:广东省气象局科技创新团队基金
摘    要:利用广东省汕尾红海湾大型浮标站的近4年观测资料,统计分析汕尾红海湾近海海面风的日变化特征、季节变化特征和大风特点.分析表明:红海湾近海海面秋、冬风速大,夏季风速小,风向以东北风为主;平均情况下中午前后风速较小,早晚较大,风向以东北风为主;冷空气和热带气旋是造成红海湾近海大风的主要天气系统;大风平均阵风系数较小,最大阵风系数在热带气旋影响下出现.

关 键 词:气候学  海面风场  大风特征  汕尾红海湾

Analysis of the Characteristics of Wind Records from a Buoy Station at Shanwei
SUN Chun-yan,CHENG Zheng-quan,LI Chu-yan.Analysis of the Characteristics of Wind Records from a Buoy Station at Shanwei[J].Journal of Guangdong Meteorology,2014,36(6):6-10.
Authors:SUN Chun-yan  CHENG Zheng-quan  LI Chu-yan
Affiliation:SUN Chun-yan , CHENG Zheng-quan , LI Chu-yan(1. Meteorological Bureau of Shanwei City, Shanwei 516600; 2. Meteorological Observatory of Guangdong, Guangzhou 510080; 3. Aviation Theory Department of Air Force Aviation University, Changchun, Jilin 130022)
Abstract:Based on four-year observations from a large-sized buoy station in the Honghai Bay, Shan- wei, Guangdong province, the characteristics of the diurnal and seasonal variation of sea surface winds as well as gale offshore the bay are statistically studied. The result is shown as follows. The area of interest is featured by larger wind speed in autumn and winter than in summer, with NE being the main wind direction. On average, the wind speed is smaller around midday than in the morning and evening with NE being the main wind direction. Cold air activity and tropical cyclones are two main weather systems causing offshore gale. The coefficient is small of mean gust and the maximum gust coefficient occurs due to the effect of tropical cyclones.
Keywords:climatology  sea surface wind field  characteristics of gale  Honghai Bay  Shangwei
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