[1]李锦育,余新晓.降雨特性的模糊理论分析[J].水土保持研究,2010,17(02):20-23.
　LEE Chin-yu,YU Xin-xiao.Analysis on Characteristics of Rainfall by Fuzzy Theory[J].Research of Soil and Water Conservation,2010,17(02):20-23.
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降雨特性的模糊理论分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 17 期数: 2010年02期 页码: 20-23 栏目: 出版日期: 2010-04-20
Title:
Analysis on Characteristics of Rainfall by Fuzzy Theory
作者:
李锦育1, 余新晓2
1. 屏东科技大学 水土保持系, 台湾 屏东 91201;
2. 北京林业大学 水土保持学院, 北京 100083
Author(s):
LEE Chin-yu1, YU Xin-xiao2
1. National Pingtung University of Science and Technology, Department of Soil and Water Conservation, Pingtung, Taiwan 91201, China;
2. College of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China
关键词:
模糊理论; 降雨量; 雨量站
Keywords:
fuzzy theory; rainfall; rainfall station
分类号:
P426.6
摘要:
台湾雨量站的密度高居全世界前3名，然而雨量站往往由于设站时间不一致，或因天灾人祸而导致数据遗失；因此各水文观测站之降雨数据具模糊特性。降雨事件的特性，大致可区分为3个重要因子；降雨量、降雨时间及形状因子。常用之统计值为总降雨量、平均降雨量、最大降雨量、最小降雨量、中值降雨量、降雨延时、尖峰达到时间、偏态指标及峰态指标等9个物理量。研究以统计量及模糊理论为基础，分析屏东县气象局1992-2007年31个雨量站之总降雨量大于100 mm，降雨延时3 h以上之降雨事件（1 177场）。研究结果显示：屏东县大于100 mm之降雨，具长延时、高狭峰之特性；就气象站而言，气象站C0R38之暴雨事件，最接近整体降雨特性。
Abstract:
The density of rainfall observation stations in Taiwan are more than the other countries on the world. But the rainfall data had missed due to the different years of commencement, natural disaster and/or human activities. So, rainfall data in all observation stations have fuzzy characteristics. The characteristic of rainfall event has three factors, including rainfall, rainfall duration and rainfall pattern. The statistical values about total rainfall, average rainfall, maximum rainfall, minimum rainfall, median rainfall, rainfall duration, time to peak, index of Skewness and Kurtosis were used to analyze. Therefore, this study had discussed the variance using statistical and Fuzzy theory through 31 stations about the rainfall events of over 100 mm rainfall and 3 rainfall duration (1 177 events) from 1992 to 2004 at Pingtung area. The study showed that the rainfall events had the characteristics of long duration and high kurtosis. The rainfall observation station C0R38 is near the thorough rainfall characteristics in Pingtung.

参考文献/References:

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备注/Memo

收稿日期:2009-10-19。
基金项目:国家自然科学基金项目（40871136）
作者简介:李锦育（1959- ），男，台湾宜兰人，教授，博士生导师，研究方向为流域管理与生态工程。E-mail：cylee@mail.npust.edu.tw
通讯作者:余新晓（1961- ），男，甘肃平凉人，博士生导师，教授，主要研究方向：生态水文、水土保持。E-mail：yuxinxiao111@126.com

更新日期/Last Update: 1900-01-01