滞后效应及其对SPAC中水流运动影响模型

滞后效应及其对SPAC中水流运动影响模型

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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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Method-focused categoriesData-perspectiveGeoinformation analysis
Method-focused categoriesProcess-perspectivePhysical process calculation

Model Description

Chinese {{currentDetailLanguage}} Chinese

滞后效应及其对SPAC中水流运动影响模型

   

(1)滞后效应的数学模型:

1)ψ-θ的数学模型:

                

 

式中,θ1为转折点的含水量;i为扫描图的序数;θi,hi分别为扫描线中的最小含水量的相应的水势;θwh)为主吸湿线上相应于h的含水量;θdh)为主脱湿线上相应于h的含水量;θs为饱和含水量。

2)ψ1-E的滞后模型:

 

            

式中,θt)为水流通量;ψBψ1为有效土壤水势和叶水势;R,C为SP系统中水流阻力和水容;t为时间。

(2)滞后效应对SPAC内水流运动的影响:

 土壤水分的一维运动方程:

 

              

式中,C(h)为比水容量。

黄明斌:滞后效应及其对SPAC中水流运动影响研究评述。水土保持通报,1995,15(4)

 

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How to Cite

《资源环境数学模型手册》 (2018). 滞后效应及其对SPAC中水流运动影响模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/92a3cdb1-093a-4978-bae8-82d1f3abedca
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Last modifier : 
Zhiyi Zhu
Last modify time : 
2020-11-14
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Contributor(s)

Initial contribute: 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 : 
Zhiyi Zhu
Last modify time : 
2020-11-14
Modify times : 
View History

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