|
|||||
|
|
| 我国三峡库区近49年暴雨气候特征分析 | |
| 引用本文： | 郭渠,龙中亚,程炳岩,孙卫国,李瑞.我国三峡库区近49年暴雨气候特征分析[J].水文,2011,31(6):86-91. |
| 作者姓名： | 郭渠 龙中亚 程炳岩 孙卫国 李瑞 |
| 作者单位： | 1. 重庆市气候中心,重庆,401147 2. 丰都县气象局,重庆,408200 3. 江苏省南京信息工程大学应用气象学院,江苏南京,210044 4. 济南市气象局,山东济南,250002 |
| 基金项目： | 中国气象局2010年气候变化专项，南京信息工程大学科研基金课题 |
| 摘 要： | 根据三峡库区及其周围35个气象站1961～2009年的逐日降雨资料,采用常规统计方法、小波变换等方法,分析了49年来三峡库区暴雨日数的气候变化特征;使用偏态系数与峰度系数方法,对暴雨日数分布的正态性进行了分析。结果表明:49年来,三峡库区的暴雨事件具有显著的年代际变化和区域差异,年平均暴雨日数及其均方差空间分布型态比较一致。历年暴雨日数的偏态系数以正偏为主,峰度系数则以负值为主。 |
| 关 键 词： | 三峡库区 暴雨气候 偏态系数 峰度系数 |
Analysis of Rainstorm Climate Characteristics in Three Gorges Area in Recent 49 Years |
|
| GUO Qu,Long Zhongya,CHENG Bingyan,SUN Weiguo,LI Rui.Analysis of Rainstorm Climate Characteristics in Three Gorges Area in Recent 49 Years[J].Hydrology,2011,31(6):86-91. | |
| Authors: | GUO Qu Long Zhongya CHENG Bingyan SUN Weiguo LI Rui |
| Institution: | GUO Qu1,Long Zhongya2,CHENG Bingyan1,SUN Weiguo3,LI Rui4 (1.Chongqing Climate Center,Chongqing 401147 China,2.Fengdu Meteorology Office,Chongqing 408200,China,3.Department of Applied Meteorology,Nanjing University of Information Science and Technology,Nanjing 210044,4.Jinan Meteorology Bureau,Jinan 250002,China) |
| Abstract: | Based on daily precipitation data of the 35 stations in the Three Gorges area from 1961 to 2009,the climatic characteristics of rainstorm days were analyzed with the methods of mathematical statistics and wavelet transform.The rainstorm days in the Three Gorges area were analyzed by using normal distribution of skewness and kurtosis methods.The results show that the rainstorm days have obvious chronological and regional distinctions in recent 49 years,the spatial distribution pattern is consisted between me... |
| Keywords: | Three Gorges area rainstorm skewness coefficient kurtosis coefficient |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |