空间模式模型

空间模式模型

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Contributor(s)

Initial contribute: 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Method-focused categoriesData-perspectiveGeostatistical analysis

Model Description

Chinese {{currentDetailLanguage}} Chinese

空间模式模型

 

(1)表现短程自相关的属性可用由短距离分开的各点间的较低的方差来证明,但是方差渐近地随着各抽样点间的距离的增加而增加。这个模型表明了同类缀块的存在,尽管他们自身在景观内是随机分布的。

常用于这样模式的方程就是所谓的球形模型:

式中,𝛾(h)是指随距离h的相似变化;𝐶𝛾(h)的渐近线;𝑎是指在𝐶h的值;𝜀(有些地方也称为贵金属)是指𝑦轴的截距或在间距离小于抽样点间的最短距离时与空间变化无关的系数。

(2)当缀块均匀分布时,高级的空间分布模式就会出现,其等式为:

式中,𝐴的变化幅度;𝑘是指幅度随距离h变化的速度;𝜔是频率;𝛽是相位。

 

参考文献

Pastor J,Dewey B,Moen Ret al:美国密歇安州罗埃尔岛上驼鹿-森林-土壤生态系统的空间模式。Ecological Applications1998,8(2)

 

How to Cite

《资源环境数学模型手册》 (2018). 空间模式模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/c62a7256-19bc-4385-b96c-c0e7e0bd4af3
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Contributor

Initial contribute: 2018-12-04

Co-contributor(s)

Authorship

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

History

Last modifier : 
YY
Last modify time : 
2020-12-20
Modify times : 
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