沟谷侵蚀-堆积模式

沟谷侵蚀-堆积模式

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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

沟谷侵蚀-堆积模式

(1) 第一侵蚀期()和第二侵蚀期()沟谷的横截面积可用下式计算:

同理,第一堆积期()和第二堆积期()沉积物的横截面积可用下式计算:

得出各个侵蚀期或堆积期剖面的横截面积:

(2) 不同时期的侵蚀模数或堆积速率计算:

一定时期内的侵蚀模数()或堆积速率()可用下式计算:

             (9)

式中:的单位为为一定侵蚀期或堆积期内被侵蚀或堆积的沉积物的体积()为一定侵蚀期的流域面积()为一定堆积期的沉积物在水平面上的投影面积()为一定侵蚀期或堆积期的持续时间(ka)ρ为黄土密度,

参考文献

邓成龙等:末次间冰期以来黄河中游黄土高原地区的沟谷侵蚀-堆积模式。地理学报,2001,56(1)

 

How to cite

《资源环境数学模型手册》 (2018). 沟谷侵蚀-堆积模式, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/76bacf99-cd07-4f51-9939-aebb6057c6ed
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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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