稳态迁移因子模型

稳态迁移因子模型

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contributed at 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Classification(s)

Geography SubjectGIScience & Remote SensingCartography

Detailed Description

稳态迁移因子模型

   1)放射性铯从土壤向食物产品的迁移可用下式计算:

 

 

 

式中,是食物产品的入射性铯污染量  是集

中迁移因子  是土壤中放射性铯的污染量 

2)集中迁移因子随时间衰减可用半衰期来预测:

 

 

式中,是在时刻0 时集中迁移因子;  是经验参数;

 是快衰变部分的一阶衰变常数的经验值; 是慢衰变部分的

一阶衰变常数的经验值。

参考文献

Perk M V D,Burema J R,Burrough P A etal:基于GIS估计切诺尔

事故污染地区长寿命放射性铯随食物链迁移的环境决策支持系统。

IntJ Geographical Information Science,2001,15

How to cite

《资源环境数学模型手册》 (2018). 稳态迁移因子模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/84aad097-9805-4426-8347-ef87074a7395
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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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