An Estimation Model of Urban Land Accessibility

被引：2
|
作者：
Wang, Wei [1 ]
Chen, Jian [1 ]
Wang, Zhiyuan [1 ]
Chen, Jun [1 ]
Cheng, Wen [2 ]
Zhou, Zihao [1 ]
机构：
[1] Southeast Univ, Sch Transportat, Nanjing 211189, Peoples R China
[2] Harbin Inst Technol, Sch Architecture, Key Lab Cold Reg Urban & Rural Human Settlement E, Harbin 150001, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH | 2021年 / 18卷 / 03期
关键词：
grid measurement; comprehensive accessibility; urban planning; geographic information system;
D O I：
10.3390/ijerph18031258
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Given that there are no practical quantitative indicators of traffic conditions for facility location selection in the process of urbanization, this article proposes a comprehensive accessibility index of location and its measurement method. Urban land is rasterized using GIS to obtain the grids, and the road network data are used to calculate the external accessibility and internal accessibility of the grids. The external accessibility and the internal accessibility of a grid are combined to obtain the comprehensive accessibility of the location. The comprehensive accessibilities of grids are measured for Zhicheng, an urban area in China. The results show that the pattern of gradual spatial changes in the comprehensive accessibility of the grids in Zhicheng is highly consistent with the urban land's spatial development trend, which verifies the feasibility and accuracy of the comprehensive accessibility measurement method. On one hand, the comprehensive accessibility of the grid is more portable than the accessibility of a single point and can be calculated in batches. On the other hand, it is more specific than the regional accessibility and better guides the location selection of urban facilities.
引用
收藏
页码：1 / 15
页数：15
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