土壤侵蚀、运移和沉积的模拟

土壤侵蚀、运移和沉积的模拟

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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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Geography SubjectPhysical GeographyPedology
Earth System SubjectEarth Surface SystemLithosphere

Detailed Description

土壤侵蚀、运移和沉积的模拟

(1)土壤的分离

式中,V是计算的溪流速度;τ是水流的剪切压力,是土砂运移所必须的临界剪切压力;d是平均土壤颗粒直径,分别指土壤和流体的密度。

(2)溪流运移能力()

式中,gh分别是重力加速度,水力半径和水道的斜率;

式中,T是升力,是临界升力。

参考文献

Vardi R MK,Rogowski A S:模拟土壤侵蚀、运移和沉积。Ecological Modelling,1986,33

 

How to cite

《资源环境数学模型手册》 (2018). 土壤侵蚀、运移和沉积的模拟, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/ce45e3bd-31ff-43f4-9539-01e7841b8562
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Contributor

contributed at 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
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