资源可用性指数计算模型

资源可用性指数计算模型

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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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Earth System SubjectEarth Surface SystemAnthroposphere
Geography SubjectHuman GeographyAgricultural Geography

Detailed Description

资源可用性指数计算模型

(1) 土壤水可用性指数():

 Rickman函数(1975)可定义为:

  

(2) 光合有效辐射(PAR)可用性指数可定义如下:

式中,IPAR的资源可用性指数,在01之间取值;是叶面积指数;是每天PAR收入总量的五天(本天加上前4天)连续平均值。

参考文献:

    Wilhelm W WMcMaster G SRickman R W et al:氮和水分可用性对冬小麦地上植物发育和生长的影响。Ecological Modelling1993,68

How to cite

《资源环境数学模型手册》 (2018). 资源可用性指数计算模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/a359695d-093a-42b8-a703-7fe88a5ebf4c
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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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