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长江重庆主城段河流长度分维数与洪水的关系

DOI: 10.3969/j.issn.1674-0696.2012.05.29, PP. 1042-1045

Keywords: 分形维数,变维分形,洪水,fractaldimension,variabledimensionfractal,flood

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Abstract:

:?应用分形理论对长江重庆主城段进行了分形标定。研究表明:长江重庆主城段河流长度具有二阶分维特性;河流长度分维数可以反映河道的弯曲程度,分维数越大,河道越弯曲;在同一河段,河流长度分维值越大,河流的泄洪能力越差,洪水发生的可能性和洪水的强度越大。

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