摘要
使用1970～2009年吉安、永新、万安、遂川和泰和五站气象资料,对核电站区域年最大风速及产生最大风速的天气系统,采用统计学方法和个例分析方法进行研究,结果表明:90年代前,万安核电站区域年最大风速在15m/s左右,90年代后,降至12m/s左右;各站自有记录以来,年最大风速表现呈缓慢降低的趋势,且从90年代后这种趋势更加明显。40a的208次最大风速样本统计表明,区域内影响天气可分为强对流天气大风(48.1%)、冷空气大风(21.2%)、热带气旋及台前环流大风(16.8)和其他大风(13.9)4种类型。年最大风速主要出现在春季和夏季,依次由强对流天气、冷空气、热带气旋及台前和其他天气系统影响所致。
Based on meteorological data of five stations in Jiran, Yongxin, Wanr an, Suichuan and Taihe from 1970 to 2009, the weather systemthat produced the annual maximum wind speed of the nuclear power station areas is analyzed by using statistical methods. The results show that： before 90s, the annual maximum wind speed of Wanan nuclear power plant area is in 15 m/s or so, after that, it downs to 12 m/s. Since each station has its own records, the annual maximum wind speed shows a decreasing tendency and this trend is more apparent after the 90s. According to sample statistics of 208 times annual maximum wind speed in 40 years, the weather in regional area can be divided into four types： strong convective wind （48. 1%）, cold winds （21. 2%）, tropical cyclone and seat circulation winds （16.8） and other wind （13.9）. The annual maximum wind speed appears in spring and summer, which is caused by strong convective weather, cold air, tropical cyclone and the typhoon heads and the other weather systems.
出处
《气象水文海洋仪器》
2012年第3期36-40,共5页
Meteorological,Hydrological and Marine Instruments
基金
公益性行业(气象)科研专项"强对流天气短期概率预报技术研究"(GYHY201206004)
中国气象局气象关键技术集成与应用项目(CMAGJ2011Z05)
中国气象科学研究院灾害天气国家重点实验室2010年开放课题(2010LASW-A03)共同资助
关键词
年最大风速
核电站区域
天气系统
annual maximum wind speed nuclear power plant area weather system
