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分形理论在三峡水库汛期洪水分期中的应用
引用本文:董前进,王先甲,王建平,傅春.分形理论在三峡水库汛期洪水分期中的应用[J].长江流域资源与环境,2007,16(3):400-404.
作者姓名:董前进  王先甲  王建平  傅春
作者单位:1. 武汉大学水资源与水电工程科学国家重点实验室,湖北,武汉,430072
2. 三峡大学经济与管理学院,湖北,宜昌,443002
3. 南昌大学中国中部经济发展研究中心,江西,南昌,330047
基金项目:湖北省水电工程施工与管理重点实验室(三峡大学)资助项目,南昌大学校科研和教改项目
摘    要:水库分期汛限水位控制能在不增加新的防洪风险条件下提高水库的兴利效益,汛期洪水的划分则是分期汛限水位控制的前提.介绍了分形理论及容量维数的计算方法,以三峡水库宜昌站为例,利用传统统计学法和动态分维数法,确定了洪水分期数目,并计算了各分期的容量维数,从而最终确定三峡水库的洪水分期.结果显示,用分形方法划分的三峡水库的汛期洪水和传统研究分期基本一致,但分形理论计算较为客观,进一步表明分形理论在洪水分期中是可行的,值得深入探讨和应用.

关 键 词:分形  容量维数  动态分维数  洪水分期  洪水资源化  三峡水库
文章编号:1004-8227(2007)03-0400-05
收稿时间:2006-08-07
修稿时间:2006-08-21

APPLICATION OF FRACTAL THEORY IN THE STAGE ANALYSIS OF FLOOD SEASONS IN THREE GORGES RESERVOIR
DONG Qian-jin,WANG Xian-jia,WANG Jian-ping,FU Chun.APPLICATION OF FRACTAL THEORY IN THE STAGE ANALYSIS OF FLOOD SEASONS IN THREE GORGES RESERVOIR[J].Resources and Environment in the Yangtza Basin,2007,16(3):400-404.
Authors:DONG Qian-jin  WANG Xian-jia  WANG Jian-ping  FU Chun
Institution:1. State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan 430072, China; 2. School of Economics and Management of China Three Gorges University, Yichang 443002, China; 3. Center of China Central Economy Development, Nanchang University, Nanchang 330047, China
Abstract:Controlling the limited water level of reservoir by stage can have more economical benefits with no addition of risk in flood control, and the partition of stages in flood season is the precondition of controlling the limited water level by stage. The fractal theory and the computation of capacity dimension are introduced in this paper, taking the Yichang gauging station of Three Gorges Reservoir as an example, and by using the traditional statistics method and the dynamic fractal dimension method. It is revealed that the periods of Three Georges Reservoir determined by using fractal theory are consistent with that from traditional method, but the method using fractal theory is much more objective, and is feasible and needs to be further discussed and applied.
Keywords:fractal  capacity dimension  dynamic dimension  flood season staged  floodwater utilization  Three Gorges Reservoir
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