Abstract
Following economic growth in the past three decades, rapid urbanization has caused many pronounced issues, such as spatial scarcity and cultural discontinuity, in Chinese historical and cultural cities. In order to better deal with the diversification of underground space resources, data and information, this study introduces a random forest algorithm and proposes a multi-layer information superposition method. According to the characteristics of different information, starting from qualitative and quantitative aspects, we explore the effective performance of the rational development of underground space resources. Taking Yangzhou City, China, as an example, this paper evaluates the suitability and calculates the development volume of urban underground space. The development capacity, potential value, and comprehensive quality of underground space resources are explored in an attempt to demonstrate the practicality and scientificity of the evaluation method for achieving the developmental goals of urban space reconstruction and historic preservation. On this basis, an underground space scale forecast is carried out to provide decision support for relevant planners, managers, and construction personnel that is conducive to the orderly development of urban space, alleviation of increasing human–land conflicts, and coordination of the protection and development of underground space resources in historical and cultural cities, ultimately promoting sustainable development of cities.
Highlights
Many famous historical and cultural cities in China embody the Chinese nation’s long history and rich culture
Used perform analysisanalysis on vector data and this was study, geographic information systems (GIS) to was used to statistical perform statistical on vector data raster and raster data, and related distribution maps were obtained to showtothe evaluation results data, and related distribution maps were obtained show the evaluation results
Due to the urban character of national historical and cultural cities, it was necessary to designate some special lands as restricted construction cities, it was necessary to designate some special lands as restricted construction areas for underground space development, such as historical and cultural preservationareas for underground space development, such aspreservation historical andareas, cultural preservation districts, districts, unearth burial areas, historic water system historic mountain unearth burial areas, historic water system preservation areas, historic mountain preservation areas, protective green buffer land, riverfront green land, and farmland. preservation areas, protective green buffer land, riverfront green land, and farmland
Summary
Many famous historical and cultural cities in China embody the Chinese nation’s long history and rich culture. With the rapid development of urbanisation and the rapid expansion of population, these historical and cultural cities face many problems, such as the contradiction between the shortage of land resources and the demand for functional space to varying degrees; the poor quality of residents’ basic living environment, the meagre traffic conditions, and the dilapidated or missing infrastructure; and the scarcity of land resources and unlimited expansion of urban boundaries leading to serious damage to the surrounding ecological environment [1,2] This implies that the long history of urban heritage is being confronted with damage caused by massive construction [3] and by the protection of backward development [4].
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