土地利用的时空变化分析模型

土地利用的时空变化分析模型

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Initial contribute: 2018-12-04

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

Model Description

Chinese {{currentDetailLanguage}} Chinese

土地利用的时空变化分析模型。

(1) 土地利用动态度:

土地利用类型的数量变化公式:

                   

式中,UaUb分别为研究初期及研究期末某一种土地利用类型的数量;T为研究时长。当T设定为年时,K为研究时段内某一土地利用类型的年变化率。

       综合土地利用动态度的计算。区域综合土地利用动态可描述区域土地利用变化的速度,公式表达为:

                           2

式中,为监测起始时间第i类土地利用类型面积;为监测时段第i类土地利用类型转为非i类土地利用类型面积的绝对值;T为监测时段长度。当T设定为年时,Lc的值该研究区土地利用年变化率。

(2) 单一土地利用类型相对变化率:

             

式中,KaKb分别为区域某一特定土地利用类型研究期初及研究期末的面积;CaCb分别单标全研究区某一研究期初及研究期末的面积。

(3) 土地利用变化类型的多度和重要度:

  多度的计算方法:

                        

式中,D为某种土地利用变化类型的多度;Ni为该种土地利用变化类型的个体数;N为该区全部土地利用类型的个体数。

        重要值为多度与面积比的综合表示,用公式可描述为:

                               

式中,IV为某种土地变化类型的重要值;D为该种土地利用变化类型的多度;B为该种土地利用变化类型的面积比。

参考文献:

    朱会义等:环渤海地区土地利用的时空变化分析。地理学报,2001,563

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How to Cite

《资源环境数学模型手册》 (2018). 土地利用的时空变化分析模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/198f1f75-a105-4c2b-9d52-712bd6fac0a3
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wzh
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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 : 
wzh
Last modify time : 
2020-11-06
Modify times : 
View History

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