土壤水分的光学测量模型

土壤水分的光学测量模型

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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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Classification(s)

Application-focused categoriesNatural-perspectiveLand regions

Model Description

Chinese {{currentDetailLanguage}} Chinese

土壤水分的光学测量模型

1.  理论基础

(1) 反射波和透射波模型:

式中,分别为入射波的垂直和平行分量;分别为透射波的垂直和平行分量;分别为反射波的垂直和平行分量。

(2) 垂直入射时的反射率R模型:

(3) 垂直入射时的透射率T模型:

2.  土壤和土壤颗粒的电特性、折射率公式的确定

(1) 土壤电特性模型:

(2) 折射率模型:

式中,分别为土壤、水、土壤颗粒和空气的电特性;n为对应的折射率;ρGθ分别为土壤的干容重、比重和含水量。

(3) 土壤颗粒的电特性公式:

式中,分别为的介电常数;为对应的密度;为对应的重量百分含量;a为反映其结构组成的参数。

参考文献

马孝义,熊运章,孙明勤:土壤水分光学测量方法的田间应用潜力分析。水土保持通报,199515(3)

How to Cite

《资源环境数学模型手册》 (2018). 土壤水分的光学测量模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/8822dcf6-f3f6-4da3-901f-b3b97aef8b8b
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Last modifier : 
zhengzhong
Last modify time : 
2020-10-31
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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 : 
zhengzhong
Last modify time : 
2020-10-31
Modify times : 
View History

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