Evaluation Method and Application of Ecological Sensitivity of Intercity Railway Network Planning

Bingtong Wan, Xueying Bao and Jianchang Zhao
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Bingtong Wan: School of Civil Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
Xueying Bao: School of Civil Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
Jianchang Zhao: School of Civil Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China

Sustainability, 2022, vol. 14, issue 2, 1-18

Abstract: In the planning stage of the intercity railway network, the ecological sensitivity evaluation of the planning scheme is not only the key content to explore the ecological environmental rationality of the planning scheme but also a scientific means to promote the sustainable development of intercity railway networks. The purpose of this study is to establish an evaluation method that can quantitatively evaluate the ecological sensitivity of intercity railway network planning to put forwards targeted optimization and adjustment suggestions for the planning scheme. Taking the intercity railway network planning of Guizhou Province as an example, its ecological sensitivity is predicted and evaluated. Six types of ecologically sensitive areas were selected as ecological sensitivity evaluation factors, including protected areas, drinking water sources, geological disaster-prone areas, soil erosion areas, cultivated land resource distribution areas and coal resource distribution areas. Based on the GIS overlay method, the quantitative measurement methods of each evaluation factor are established in turn, and the single factor sensitivity evaluation index is obtained. In addition, the weighted superposition model is used to quantitatively calculate the ecological sensitivity of the planned lines of the intercity railway network in Guizhou Province. Finally, the short board factor of each planned line is obtained, and targeted optimization and adjustment suggestions are put forwards. The research content of this paper can provide a theoretical reference for the practical evaluation of the ecological sensitivity of intercity railway network planning.

Keywords: intercity railway network planning; ecological sensitivity; GIS; evaluation; Guizhou Province; China (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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