生产潜力模型

生产潜力模型

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Contributor(s)

Initial contribute: 2018-12-04

Authorship

:  
岳天祥编著
:  
yue@lreis.ac.cn
:  
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Chinese {{currentDetailLanguage}} Chinese

生产潜力模型

 

式中,为到达地面的太阳年总辐射值,J,分别表示散射辐射和直接辐射对总辐射的影响,它随季节变化;为日照百分率(%)

 

式中,为年光合潜力();0.0146为由总辐射值(J)转换成光合潜力()干物质的系数。

 

式中,为温度有效系数;为无霜期。

 

式中,为光温潜力年()

 

式中,为水分有效系数;P为月降水量(mm);为月蒸发力(mm)

 

式中,为气候-生物潜力年值()

 

式中,为农业生产潜力年值()为土壤有效系数。

 

 

参考文献

冷疏影:地理信息系统支持下的中国农业生产潜力研究。自然资源学报,19927(1)

 

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《资源环境数学模型手册》 (2018). 生产潜力模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/38023b43-4e60-43ba-8e0d-570abd7c6418
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Last modifier
tingxin
Last modify time
2020-11-03
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Contributor(s)

Initial contribute : 2018-12-04

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Authorship

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

History

Last modifier
tingxin
Last modify time
2020-11-03
Modify times

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