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华南前汛期暴雨气候特征的研究
引用本文:彭丽英,王谦谦,马慧.华南前汛期暴雨气候特征的研究[J].南京气象学院学报,2006,29(2):249-253.
作者姓名:彭丽英  王谦谦  马慧
作者单位:1. 南京信息工程大学,江苏省气象灾害重点实验室,江苏,南京,210044
2. 中山市气象局,广东,中山,528401
基金项目:科技部科研项目;中国科学院资助项目
摘    要:利用华南地区26站1958-2000年逐日降水资料,对华南前汛期暴雨降水的气候特征进行了统计研究。结果表明,华南前汛期暴雨降水量和频次的变化趋势都呈略减少的特征,都有明显的年际、年代际变化的长期演变特征;华南的暴雨近50%集中发生在前汛期,其中又以福建与广东的西北部为甚,华南的西南部较小;华南前汛期的降水有近40%为暴雨,多年平均暴雨百分率的大值中心在广东沿海地区,最大可达44%,有两个小值中心,它们分别位于广西广东西部和福建,最小只有26%。

关 键 词:华南前汛期  暴雨  气候特征
文章编号:1000-2022(2006)02-0249-05
收稿时间:06 25 2004 12:00AM
修稿时间:2004-06-252004-11-11

A Study on the Climatic Features of the Rainfall of Rain Storms in the Preflood Season in South China
PENG Li-ying,WANG Qian-qian,MA hui.A Study on the Climatic Features of the Rainfall of Rain Storms in the Preflood Season in South China[J].Journal of Nanjing Institute of Meteorology,2006,29(2):249-253.
Authors:PENG Li-ying  WANG Qian-qian  MA hui
Institution:1. Jiangsu Key Laboratory of Meteorological Disaster,NUIST,Nanjing 210044 ,China; 2. Meteorological Bureau of Zhongshan ,Zhongshan 528401, China
Abstract:By using the daily mean rainfall data of 26 stations in South China from 1958 to 2000,the climatic features of the rainfall of rain storms during the preflood season in South China have been studied.The results show that :(1)the rainfall of rain storms and its frequency exhibited obvious interannual and interdecadal decreasing tendencies;(2)about one half of the rainfall of rain storms precipitated in the preflood season with the maximum center in Fujian and the north-west of Guangdong and the minimum in the southwest of South China;(3)the rainfall of rain storms accounted for about 40% of the total rainfall of the preflood season,and the maximum percentage(nearly 44%) of rain storm rainfall laid in the coastal area of Guangdong,and two minimum centers(about 26%) in Fujian and the east and west of Guangxi.
Keywords:the preflood season in South China  rain storm  climatic feature
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