生态农业区域划分模型

生态农业区域划分模型

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contributed at 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Classification(s)

Earth System SubjectEarth Surface SystemAnthroposphere
Geography SubjectHuman GeographyAgricultural Geography

Detailed Description

生态农业区域划分模型

(1)       极差变换模型:

  

式中,为第i样点第j个指标变换后的数值,用角度表示;为第i样点第j个指标的原始数据;为第j指标的最小值;为第j指标的最大值。

(2)       直角坐标计算模型:

式中,i=1,2,…,N为样点号;j=1,2,…,P为指标号;xi为第i个样点的横坐标;yi为第i个样点的纵坐标;Wj为第j个指标的权重。

参考文献:

    王学萌,聂宏声等:山西省生态农业区域划分的研究。生态学报,1994,141

How to cite

《资源环境数学模型手册》 (2018). 生态农业区域划分模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/82214812-07bf-483a-b65c-b171370f3dd0
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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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