乡镇综合通达性时空格局及其与SERE系统的耦合机理——以湖北省荆州市为例

发布时间：2018-03-12 19:46

  本文选题：乡镇综合通达性　切入点：时空演化机理　出处：《世界地理研究》2017年06期 　论文类型：期刊论文

【摘要】：通达性发育及其演化的根本动力是城乡社会经济—资源环境系统(SERE)要素非线性关联作用的结果。针对传统最短路径通达性模型的缺陷及研究视角的狭隘,本文基于2000年~2014年荆州市道路网空间数据库,重构最短通行时间通达性模型,定量刻画荆州市乡镇综合通达性的时空演化格局,并从区域交通与社会经济资源环境要素耦合的视角,引入耦合协调度模型,揭示乡镇综合通达性演化的非线性机理,研究表明:(1)荆州市乡镇综合通达性发育良好,基本呈正态分布,表现出一定的随机性;(2)中心区位偏好、荆江"天堑"作用、快速干道建设,共同引致荆州市乡镇综合通达性围绕市域中心呈不规则的圈层分布;(3)乡镇综合通达性与其SERE系统耦合协调度全局呈弱空间正相关,但局域空间相关作用复杂,四种基本类型呈"抱团"分布;(4)乡镇综合通达性与其SERE系统耦合协调度虽持续优化,但存在明显的交通滞后性发展,同时空间分异明显,整体呈高耦合度——低协调度的异配性特征。
[Abstract]:The fundamental motive force for the development and evolution of accessibility is the result of nonlinear correlation between urban and rural socio-economic and resource environment system (SERE) elements. In view of the defects of the traditional shortest path accessibility model and the narrow research perspective, Based on the spatial database of Jingzhou road network from 2000 to 2014, this paper reconstructs the shortest time accessibility model and quantitatively describes the space-time evolution pattern of comprehensive accessibility in Jingzhou. From the perspective of coupling of regional traffic and social economic resources and environmental factors, the coupling coordination degree model is introduced to reveal the nonlinear mechanism of the evolution of township comprehensive accessibility. The study shows that the comprehensive accessibility of Jingzhou is well developed. Basically showing a normal distribution, showing a certain randomness in the central area preference, Jingjiang "natural cutting" role, rapid construction of the main road, The result is that the comprehensive accessibility of the towns in Jingzhou City is irregularly distributed around the center of the city. The comprehensive accessibility of the villages and towns is positively correlated with the overall degree of coupling and coordination of the SERE system, but the role of the local spatial correlation is complex. Although the coupling and coordination degree between the integrated accessibility and the SERE system of the villages and towns is optimized continuously, there is obvious development of the traffic lag, and the spatial differentiation is obvious at the same time. The whole is characterized by high coupling degree and low coordination degree.
【作者单位】： 华东师范大学科技创新与发展战略研究中心;华东师范大学城市与区域科学学院;
【基金】：国家自然科学基金面上项目(41571123) 中央高校基本科研业务费专项资金共同资助
【分类号】：F327;F512.7
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本文编号：1603042