植物病扩散模型

植物病扩散模型

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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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Geography SubjectPhysical GeographyEcosystem

Detailed Description

植物病扩散模型

 

式中,y(s,t)是在时间t半径s内生病组织的密度(例如每棵植物生病叶片的数量),K(s)是扩散系数,r是表面感染率。

Richardson的剧烈大气扩散理论预测K(s)∝ s4/3,可导致:

 

式中,p2是参数。

 

参考文献

Scherm H:模拟植物病传播中的传染速度。Ecological Modelling,1996,87

How to cite

《资源环境数学模型手册》 (2018). 植物病扩散模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/4ff835b4-01f0-4e67-93de-3f5ac5685ba9
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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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