植被光谱的光学-生物物理关系模型

植被光谱的光学-生物物理关系模型

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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

植被光谱的光学-生物物理关系模型

   1Huete1987)利用一个一阶相互作用模型将在不完全植被冠层测量到的光谱分解为土壤有关成分和与土壤无关的纯粹植被成分,模型可表示为:

     

式中,dm是土壤-冠层混合光谱;是土壤有关成分,其表达为冠层顶部总的辐射E0,土壤反射系数r,及下行与上行总的冠层透射率的乘积;rc是植被反射系数。

   2)有效叶面积指数(Le)在森林冠层模型中得到应用:

式中,Dfav是叶片面积的体积密度;Vcrown是树冠的体积;r是水平面上的树冠半径;b是垂直方向上树冠半径;λ是树的密度;y为树冠覆盖比率。

参考文献

    Gao XHuete A R, Ni W G,Miur T:没有背景污染的植被光谱的光学-生物物理关系。Remote Sensing of Environment200074

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How to Cite

《资源环境数学模型手册》 (2018). 植被光谱的光学-生物物理关系模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/1e80c8c2-21d4-408d-9efd-af467474aca3
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Last modifier : 
wu kai
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2020-11-13
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Contributor(s)

Initial contribute: 2018-12-04

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Authorship

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

History

Last modifier : 
wu kai
Last modify time : 
2020-11-13
Modify times : 
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