BIAN Jing,HE Duo-xing,TIAN Yong-zhong,et al.Analysis on Spatial Structure of Land Use on the Basis of Information Entropy and Lorenz Curves——A Case Study of Hechuan District, Chongqing City[J].Research of Soil and Water Conservation,2011,18(05):201-204,211.
基于信息熵与空间洛伦兹曲线的土地利用空间结构分析——以重庆市合川区为例
- Title:
- Analysis on Spatial Structure of Land Use on the Basis of Information Entropy and Lorenz Curves——A Case Study of Hechuan District, Chongqing City
- Keywords:
- spatial structure of land use; information entropy; Lorenz curve; Hechuan District of Chongqing City
- 分类号:
- F301.24
- 摘要:
- 结合重庆市合川区2009年土地利用数据，运用信息熵、均匀度、优势度及空间洛伦茨兹曲线等方法，对其土地利用现状、存在问题及土地利用结构进行了分析，研究了合川区30个街镇土地利用空间布局，这对于引导合川区土地利用结构的合理化与土地利用的可持续发展具有重要的意义。结果表明：（1）合川区土地利用结构信息熵在空间上差异性明显，总体上可以分为信息熵高值区、信息熵中值区和信息熵低值区，三者的土地利用结构均衡程度逐步降低；（2）合川耕地与其他用地的分布较为均衡，园地、林地和牧草地的分布则相对集中；（3）合川区30个街镇具有各自的土地利用特色，充分利用区域资源优势，发展特色产业，进而优化土地利用结构。
- Abstract:
- With the combination of the land use data of Hechuan District in 2009, applying the methods of information entropy, equilibrium degree, advantage degree and Lorenz curve, the land use current situation, issue of existence, and structure were analyzed. And, the land use spatial allocation of 30 towns was studied, which has great significance to guide land use reasonably and sustainably. The conclusions of this study are drawn as follows: (1)The information entropy of land utilization in Hechuan differs distinctly that it can be divided into three regions, including high information entropy district, middle information entropy district and low information entropy district； equilibrium level of land use structure reduced gradually in pace with the three parts; (2)The cultivated land and other land distributed proportionally, and garden plot, forest land and grassland concentrated relatively; (3)Thirty towns in Hechuan own their land use characteristics, making use of regional resources open featured industry to optimize land use structure.
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备注/Memo
收稿日期:2011-3-9;修回日期:2011-4-20
基金项目:教育部人文社科青年基金（10YJCZH147）；中央高校基本科研业务费专项资金（XDJK2009C190）
作者简介:边静（1986- ），女，山东兖州人，硕士研究生，研究方向：土地利用与国土规划。E-mail：bianjing860902@126.com
通讯作者:何多兴（1968- ）,男,副教授,博士,研究方向：国土规划与房地产经营。E-mail：hedx@swu.edu.cn