摘要
流域汇流受到河网形态的影响,考虑到水系的分形自相似特性,利用在文献[1]基础上改进的方法构造了理想的自相似网络(SSNs),并推导出相应的宽度函数(WF)表达式。以WF为基础,得到流域地貌瞬时单位线。利用生成的单位线对沿渡河流域11场洪水进行汇流计算,结果表明,所提出的方法应用于流域汇流计算具有较好的精度。
Considered the fractal self-similar characteristics of fiver system, ideal self-similar networks is constructed and then the corresponding width function is derived. Based on the width function, the basin geomorphological instantaneous unit hydrograph is derived. The results of the test of 11 floods in Yandu River basin is satisfactory.
出处
《水科学进展》
EI
CAS
CSCD
北大核心
2005年第6期799-803,共5页
Advances in Water Science
基金
国家自然科学基金资助项目(50309002)~~
关键词
分形
自相似网络
宽度函数
流域地貌瞬时单位线
fractal
self-similar networks
width function
basin geomorphological instantaneous unit hydrograph
