杀虫剂在不饱和地区的转移和降解模拟方程

杀虫剂在不饱和地区的转移和降解模拟方程

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Contributor(s)

Initial contribute: 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Application-focused categoriesNatural-perspectiveLand regions
Application-focused categoriesHuman-perspectiveEconomic activities

Model Description

Chinese {{currentDetailLanguage}} Chinese

杀虫剂在不饱和地区的转移和降解模拟方程

(1)饱和-不饱和土壤中溶质转移的对流-扩散一维方程:

 

式中,C是溶解浓度;C*是源水中的溶解浓度;θw是水容量;ρw是水密度;T是温度;ρ*是多孔介质的容积密度;k是第一降解率;Kd是吸附分配系数;Dc是水动力扩散系数;w是水流的Darcy速度。

(2)温度对降解和吸收参数的影响——温度对反应率影响的arrhenius方程:

 

式中,k是速度常数;A是常数;R是气体常数;T是绝对温度;Ea是活化能量常数。

(3)反应平衡常数的Van’tHoff方程

 

式中,K是平衡常数;△H是反应热。

 

参考文献

Padilla F,Lafrance P,Robert C et al:模拟考虑温度影响时杀虫剂在不饱和地区的转移和降解。Ecological Modelling,1988,44

How to Cite

《资源环境数学模型手册》 (2018). 杀虫剂在不饱和地区的转移和降解模拟方程, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/8d2b188d-93b5-44b0-a237-599c851b75fc
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History

Last modifier : 
XiaoYu He
Last modify time : 
2020-12-29
Modify times : 
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Contributor

Initial contribute: 2018-12-04

Co-contributor(s)

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
View
Is authorship not correct? Feedback

History

Last modifier : 
XiaoYu He
Last modify time : 
2020-12-29
Modify times : 
View History

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