辐射量及植物量的光谱估计模型

辐射量及植物量的光谱估计模型

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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-perspectiveRemote sensing analysis

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Chinese {{currentDetailLanguage}} Chinese

辐射量及植物量的光谱估计模型

   1)表示为吸收的PAR函数的植物量的产出(M)的简单模型为:

式中,ε是辐射利用效率;表示为每单位吸收的PAR的干物质的产出(gMJ-1);f是入射的光合作用有效辐射的吸收比例;I0是入射的光合作用有效的辐射能量(MJd-1)。

2)冠层吸收的PARAPAR)可通过下面的公式计算:

        

式中,RS是土壤反射PAR的通量密度;Tc透射过冠层PAR通量密度;Rc是从冠层逃离的PAR通量密度(包括被土壤反射回来但在到达冠层顶部时仍未被吸收的PAR)。

参考文献

    DaughtryC S T,Gallo K P,Goward S Net al:玉米和大豆冠层的吸收的辐射量及植物量的光谱估计。Remote Sensing of Environment

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How to Cite

《资源环境数学模型手册》 (2018). 辐射量及植物量的光谱估计模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/53c941d5-8ecd-400c-9a3c-bcc19c5b846d
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Last modifier : 
Kai Wu
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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 : 
Kai Wu
Last modify time : 
2020-11-09
Modify times : 
View History

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