淤地坝减洪减沙效益计算模型

淤地坝减洪减沙效益计算模型

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contributed at 2018-12-04

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Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Classification(s)

Geography SubjectPhysical GeographyPedology
Earth System SubjectEarth Surface SystemLithosphere

Detailed Description

淤地坝减洪减沙效益计算模型

(1) 淤地坝减沙量计算:

淤地坝总减沙量模型:

式中,为某计算年内淤地坝的总拦沙量;为某年淤地坝的减蚀量;K为控制参数;为上一年淤地坝累积面积;为尚未淤满的淤地坝淤成后的累积坝地面积;为计算流域侵蚀模数;为人工填垫坝地在坝地面积中所占的比例;为推移质在坝地拦泥总量中所占的比例;F为某年所有淤地坝的总面积。

(2)淤地坝减洪量计算:

淤地坝减洪量模型:

式中,为淤地坝的拦洪量;为已淤平地坝的减洪量;R为流域淤地坝拦洪时的洪沙比;为计算流域天然状况下的产洪模数η为减洪系数。

参考文献

刘勇,冉大川,罗全华等:晋西北地区淤地坝减洪减沙效益计算方法研究。水土保持通报,199717(5)

How to cite

《资源环境数学模型手册》 (2018). 淤地坝减洪减沙效益计算模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/c17152f5-f9fe-4dd3-90b4-48f6ed610493
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Contributor

contributed at 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
View
Is authorship not correct? Feed back

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