降雨径流因素及地面坡度对片蚀的影响模型

降雨径流因素及地面坡度对片蚀的影响模型

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contributed at 2018-12-04

Authorship

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

Earth System SubjectEarth Surface SystemHydrosphere
Geography SubjectPhysical GeographyHydrology

Detailed Description

降雨径流因素及地面坡度对片蚀的影响模型

     1)坡面径流总势能Ep模型:

                  

式中,为水的密度;g为重力加速度;B为坡面宽度;h为水平面上径流深;H为坡面高度;为地表坡度。

(2)单次降雨片蚀量A模型:

           

式中,k为反映土壤易蚀性效应因子;E为降雨动能;Epu为单位面积径流势能;m和n为待定系数。

(3)年均片蚀量G0模型:

           

式中,K0K1K2为方程系数;为地表坡度。

刘志,江忠善:降雨因素和坡度对片蚀影响的研究。水土保持通报,1994,14(6)

 

How to cite

《资源环境数学模型手册》 (2018). 降雨径流因素及地面坡度对片蚀的影响模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/7aa2da97-2b00-4999-b786-57c4abacfb6a
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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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