ZHAO Fei-fei,LIU Dong,LIU Meng.Driving Force Analysis of Land Use Structure in Jiansanjiang Branch Bureau Based on Information Entropy and Gray Correlative Degree[J].Research of Soil and Water Conservation,2012,19(03):250-253,258.
基于信息熵和灰关联的建三江分局土地利用结构驱动力分析
- Title:
- Driving Force Analysis of Land Use Structure in Jiansanjiang Branch Bureau Based on Information Entropy and Gray Correlative Degree
- 分类号:
- F301.2
- 摘要:
- 在GIS技术支持下，基于建三江分局1999-2009年土地利用变更调查数据及相关经济社会统计数据，利用Shannon熵函数分析土地利用结构的熵值特征和土地利用类型的演变规律，同时运用灰色关联度分析法对1999-2009年信息熵变化的驱动力进行分析与探讨。结果表明：1999-2004年建三江分局土地利用结构信息熵持续增长，土地利用结构均衡度持续增加；2005-2009年土地利用结构信息熵持续下降，土地利用结构均衡度下降，优势度上升；2009年各农场土地利用结构信息熵低值区扩大；说明建三江分局土地利用结构较单一，土地利用结构的有序性高。灰色关联分析结果表明：人口因素对信息熵变化驱动更为明显。
- Abstract:
- Under the support of GIS, based on the data of land use change survey from 1999 to 2009 in Jiansanjiang Branch Bureau and the associated economic and social statistics, Shannon entropy function was employed to analyze the entropy features of land use structure and evolution laws of land use types, and the gray correlative degree analysis method was used to study the driving forces of information entropy changes. The results showed that the information entropy was in a state of sustaining growth during 1999 to 2004, and the equilibrium degree of land use structure was in a state of sustaining growth as well. But information entropy was in a state of sustaining descend during 2005 to 2009, the equilibrium degree of land-use structure was in a state of sustaining decline, and advantage degree was rising. The area of low information entropy value of land use structure expanded in 2009. The resultsd indicated that land use structure was single; the orderliness of land use type was high. The results of gray correlative degree analysis method indicated that the factor of population mobility was the most obvious driving forces of the information entropy change.
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备注/Memo
收稿日期:2011-9-30;改回日期:2012-3-25。
基金项目:国家自然科学基金（41071053）；中国博士后科学基金（20080440832）；黑龙江省教育厅科学技术研究项目（11541024）；东北农业大学博士启动基金（2009RC37）
作者简介:赵菲菲（1984- ），女，山东海阳人，硕士生，主要研究方向为农业水土资源系统分析与优化利用。Email：Zffa13050040@163.com
通讯作者:刘东（1972- ），男，黑龙江安达人，教授，博士，主要研究方向为农业水土资源系统分析与优化利用。E-mail：liu72dong@126.com