Study on spatial accessibility of road network in Shandong Peninsula Blue Economic Zone

doi:10.3969/j.issn.1004-9479.2021.03.2019698

World Regional Studies ›› 2021, Vol. 30 ›› Issue (3): 567-576.DOI: 10.3969/j.issn.1004-9479.2021.03.2019698

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Study on spatial accessibility of road network in Shandong Peninsula Blue Economic Zone

Yan XIAO¹(), Zaichao ZOU², Qingchun LIU³()

^1.College of Environment and Planning, Liaocheng University, Liaocheng 252000, China
^2.The Finance Bureau of Linyi City, Linyi 252000, China
^3.School of Economics, Shandong University of Finance and Economics, Jinan 250014, China

Received:2019-12-25 Revised:2020-03-04 Online:2021-05-20 Published:2021-06-08
Contact: Qingchun LIU

山东半岛蓝色经济区路网空间通达性研究

肖燕¹(), 邹再超², 刘清春³()

^1.山东聊城大学环境与规划学院，山东聊城 252000
^2.临沂市财政局，山东临沂 276000
^3.山东财经大学经济学院，济南 250014

通讯作者: 刘清春
作者简介:肖燕（1979-），女，副教授，硕士生导师，主要研究方向为地学空间分析，E-mail：Xy790511@163.com。
基金资助:
国家自然科学基金项目“异质性视角下城市土地利用对居民出行碳排放的影响研究-以济南市为例”(41401163);山东省自然科学基金项目“基于‘图谱单元’的黄河三角洲高效生态经济区划及优化开发(ZR2011DQ015);教育部人文社科青年基金项目“低碳通勤导向的大城市建城环境优化调控研究：以济南市为例”(19YJCZH107)

Abstract

Abstract:

Accessibility is a comprehensive and intuitive evaluation index in traffic network, and it had been widely applied to urban planning, spatial structure, regional economic development and many other fields. Taking Shandong Peninsula Blue Economic Zone as an example, we obtain a series of traffic integrations and the same time circle data based on geometry and network analysis algorithm. The proposed models are then applied to examine the spatial structural properties of the road network of Shandong Peninsula Blue Economic Zone. The results are shown as follows: (1) the system of road network is better and the concentration of road network is obvious. The spatial pattern of segment type stretches along the "point-axis" style while the spatial pattern of axis type stretches along the "trunk-branch "shape. This formed the interconnection between the core ring and the outer ring within the region. (2) Urban accessibility, to a great extent, depends on the regional geometric Centre and the development level of the surrounding road network. Because the core position of Qingdao and Weifang city in the whole area, their accessibility and the control effect on the regional road network is more prominent.Key words: spatial accessibility; road network; space syntax; Shandong peninsula Blue Economic Zone

摘要：

通达性被认为是评价交通网络的方法中一项综合的、直观的评价指标，并越来越多地被应用到城市规划、区域空间结构与区域经济发展等多种领域。以山东半岛蓝色经济区陆域范围为研究区，通过运用空间句法模型和网络分析算法，获取路网集成度和等时圈数据并进行GIS可视化表达，定量分析研究区路网发育的空间结构性规律。研究结果表明：①蓝色经济区内路网体系发育较为成熟，路网线段集聚明显；线段式空间分布格局呈“点-轴”状发散，轴线式空间分布格局呈“干-枝”状发散，形成了区域内部的核心圈与外围圈的互连互通；②城镇区域可达性在较大程度上取决于区域中心性和周边路网发达程度，而青岛市和潍坊市位于区域的核心位置，通达性好且对整个区域路网的控制作用较为突出。

关键词: 通达性, 路网, 空间句法, 山东半岛蓝色经济区

Yan XIAO, Zaichao ZOU, Qingchun LIU. Study on spatial accessibility of road network in Shandong Peninsula Blue Economic Zone[J]. World Regional Studies, 2021, 30(3): 567-576.

肖燕, 邹再超, 刘清春. 山东半岛蓝色经济区路网空间通达性研究[J]. 世界地理研究, 2021, 30(3): 567-576.

Figures/Tables 7

Fig.1 Traffic network in Shandong Penisula Blue Economic Zone

Fig.2 Spatial distribution of integration level about space syntax (a: segment type; b: axis type)

Tab.2 The variable of average value about space syntax for traffic network in land

变量	连接度	控制值	三步深度值	深度值	集成度
线段式	3.44	1.00	10.38	9069.55	1.97
轴线式	5.56	1.00	3.66	1104.92	2.94

Tab.3 The results of space syntax of segment type

变量	连接度	控制值	三步深度值	集成度
范围	C_i>3	Ctrl_i> 1	D_i>20	RA_i>3
线段数	318	417	368	396
比例	36%	47.7%	45.2%	42%

Fig.3 The space distribution characteristics of Axis type integration

Fig.4 The spatial distribution of isochronous ring for daily accessibility in node cities

Fig.5 The spatial distribution of city (left) and county (right) accessibility

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Study on spatial accessibility of road network in Shandong Peninsula Blue Economic Zone

山东半岛蓝色经济区路网空间通达性研究

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