产量与辐射截取量关系模型

产量与辐射截取量关系模型

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Contributor(s)

Initial contribute: 2018-12-04

Authorship

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

Model Description

Chinese {{currentDetailLanguage}} Chinese

产量与辐射截取量关系模型

 

(1)    MIA地区水稻的叶面积指数轨线模型:

 

 

式中,为积温经归一化后的值。

 

(2)    水稻冠层对PAR日截获率的模拟计算:

到达冠层内水平面上的光合有效直接辐射S和光合有效散射辐射D模型:

 

 

式中,分别为到达冠层上方水平面上的光合有效直接辐射和光合有效散射辐射;为植物冠层对太阳直接辐射的减弱系数;为来自天空各部分的散射光线与垂直方向间的夹角。

 

(3)    从扬花到成熟期内水稻对PAR的截获总量和产量的估算:

估算水稻产量模型:

 

 

式中,为转换效率;为群体对光合有效辐射的截获总量。

 

参考文献:

项月琴,田国良:遥感估算水稻产量――I.产量与辐射截获量间关系的研究。环境遥感,1988,34

 

How to Cite

《资源环境数学模型手册》 (2018). 产量与辐射截取量关系模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/2d40e11a-6fe7-40e9-8e4f-e08d2d3a46a5
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Last modifier : 
NNU_Group
Last modify time : 
2020-12-16
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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 : 
NNU_Group
Last modify time : 
2020-12-16
Modify times : 
View History

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