均匀区域上植被覆盖的叶面积指数

均匀区域上植被覆盖的叶面积指数

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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 SubjectGIScience & Remote SensingCartography

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均匀区域上植被覆盖的叶面积指数

   

式中,是当时的反射率;下标12分别代表可见光和近红外辐射;是土壤和冠层在可见光和红外波段的反射率,ab是参数。

(1)    叶植被指数定义为:

(2)    对混合像素情况,可简单假设反射率的测量值相当于两个表面的反射率的和,即致密植被覆盖表面,其比例为f,以及裸地表面,其比例为1-f

(3)    当植被密度非常低时:

参考文献

    Price J C:从可见光及近红外反射率估计植物量。Remote Sensing of Environment,199241

 

How to cite

《资源环境数学模型手册》 (2018). 均匀区域上植被覆盖的叶面积指数, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/fb3cdf25-c969-41d6-a527-d5bd1731857a
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contributed at 2018-12-04

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Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
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