黄土地区茆坡的坡地特征与土壤侵蚀计算模型

黄土地区茆坡的坡地特征与土壤侵蚀计算模型

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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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Application-focused categoriesNatural-perspectiveLand regions

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黄土地区坡的坡地特征与土壤侵蚀计算模型

(1) 特征坡度――喀尔生公式:

式中,θ为地面坡度;为土的内摩擦角;γ为土的容重;为水的容重。

(2) 土壤侵蚀――坡度函数:

式中,α为坡度。

(3) 最大侵蚀坡角的计算模型:

式中,σ为坡度为θ上的正应力;为坡脚为θ的斜坡上的切应力。

参考文献

曹银真:黄土地区坡的坡地特征与土壤侵蚀。地理研究,1983,2(3)

 

How to Cite

《资源环境数学模型手册》 (2018). 黄土地区茆坡的坡地特征与土壤侵蚀计算模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/ee7b8c08-514b-49d4-91ed-3fccfe85a519
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Last modifier : 
zhengzhong
Last modify time : 
2020-10-27
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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? Feedback

History

Last modifier : 
zhengzhong
Last modify time : 
2020-10-27
Modify times : 
View History

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