北部生态系统生产力模拟模型

北部生态系统生产力模拟模型

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Initial contribute: 2018-12-04

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:  
岳天祥编著
:  
yue@lreis.ac.cn
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北部生态系统生产力模拟模型

 

(1)    叶水分势能():

式中,是土壤水分含量;是土壤水分容量。

 

(2)    日总光合作用(PSN):

式中,是树冠气孔和叶肉的传导率();是叶面积指数;白天时间长度(s);是叶面和空气间的浓度梯度。

 

(3)    树冠吸收的有效光合作用辐射的比例(:

式中,分别是树冠上部和下部的有效光合作用辐射的反射率;表征了随着太阳天顶角的变化而导致的太阳光照的变化;是树冠间隙函数,有

 

参考文献:

LiuJChen JMCihlar J et al:利用遥感数据所进行的基于过程的北部生态系统生产力模拟。Remote Sensing of Environment1997,62

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《资源环境数学模型手册》 (2018). 北部生态系统生产力模拟模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/fcb6725e-9aa6-4e27-8c11-2e1a91f4c5d1
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tingxin
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Initial contribute : 2018-12-04

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Authorship

:  
岳天祥编著
:  
yue@lreis.ac.cn
:  
View
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Last modifier
tingxin
Last modify time
2020-10-31
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