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糙率改变对城市河道水位及堤防防洪能力的影响

Release Time:2019-03-11  Hits:

Indexed by: Journal Article

Date of Publication: 2012-10-25

Journal: 水电能源科学

Included Journals: ISTIC、PKU

Issue: 10

Page Number: 47-50

ISSN: 1000-7709

Key Words: 河道规划;糙率变化;最高洪水位;海城河;MIKE11

Abstract: 以海城河为例,针对现代城市发展过程中城市河道由自然渠化生态的过程导致河槽糙率变化问题,分析其对河道行洪能力的影响,并利用一维河网模型MIKE11建立了海城河城区段水动力模型,分析生态河道规划前后不同糙率情况下海城河现状堤防的防洪能力,为海城河防洪规划提供理论依据。

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