农田表面能量平衡的分析模型

农田表面能量平衡的分析模型

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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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Geography SubjectGIScience & Remote SensingCartography

Detailed Description

农田表面能量平衡的分析模型

(1)    Gash(1987)将表面温度的水平变化与其他表面及气象条件的变化联系起来:

式中,LE是蒸发通量;是入射太阳辐射;是表面漫反射系数;Stefan-Boltzmann常数;是表面反射率;c是植被指数的函数;是表面温度;是空气密度;是定压热容量;是热传导的体积阻力;下标r表示参照值。

(2)    日蒸发通量()与日中瞬时通量之间的关系模型:

式中,下标i表示瞬时日中值;是净辐射;G是土壤热量通量密度;H是显热通量密度。

参考文献

    Kustas WP,Moran M S,Jackson R D etal:干旱环境中利用遥感及参照点方法对农田表面能量平衡的瞬时值及每日值的研究。Remote Sensing of Environment,1990,32

 

How to cite

《资源环境数学模型手册》 (2018). 农田表面能量平衡的分析模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/23a2097c-814e-45cb-a4c5-b71e2ef27ea1
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Contributor

contributed at 2018-12-04

Authorship

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

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