Enhancing Urban Landscapes through Underground Space Utilization: Public Perceptions

Xingxing Zhao, Yulu Chen (), Yanhua Wu (), Dongjun Guo and Zhilong Chen
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Xingxing Zhao: Research Center for Underground Space, Army Engineering University of PLA, Nanjing 210007, China
Yulu Chen: College of Civil Engineering and Architecture, Huanghuai University, Zhumadian 463000, China
Yanhua Wu: Research Center for Underground Space, Army Engineering University of PLA, Nanjing 210007, China
Dongjun Guo: Research Center for Underground Space, Army Engineering University of PLA, Nanjing 210007, China
Zhilong Chen: Research Center for Underground Space, Army Engineering University of PLA, Nanjing 210007, China

Sustainability, 2024, vol. 16, issue 11, 1-22

Abstract: Landscape occupation and green space reduction have decreased livability and hindered the sustainable development of cities. The urban landscape affects the quality of life and physical and mental state of the public, and urban underground space utilization is important for improving the urban landscape. Therefore, underground space utilization must be explored from a public perspective. Referring to typical underground municipal, transportation, and public space projects, an online questionnaire survey of 377 Nanjing residents was performed to construct a structural equation model investigating their perceptions and preferences regarding underground space usage to improve the landscape, focusing on the links between their preferences and opinions. Underground works that provide diverse open spaces were considered to have the most positive impact on the landscape (82.8%). The aesthetic value of the surface landscape (83.5%) and the vitality of historical sites (82.1%) were the most significantly affected, whereas stock underground space had no significant effect on landscape protection. In terms of age, profession, and place of work, the respondents demonstrated heterogeneous preferences. These findings indicate that targeted publicity and public participation are important to strengthen the cooperative utilization of space and realize the potential of the underground space, helping address actual requirements and develop sustainable cities.

Keywords: underground space; urban landscape; public view; structural equation model (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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