Abstract
With the development of urbanization in developing countries, some large cities have experienced rapid population growth and industrial expansion in a short period of time. In order to reasonably expand the scale of the city and guide the orderly outward movement of population and industries, it is urgent to improve the human settlement environment (THSE) in the surrounding areas of large cities. In the case of limited financial funds, different areas around the city need to be improved one by one according to the order of improvement grades. Since THSE is a comprehensive system involving multiple levels and indexes, it is difficult to assess it in a simple way. The previous assessment of THSE mainly focused on qualitative and semi-quantitative aspects, with poor accuracy. In this paper, the author takes JianYang County under the jurisdiction of Chengdu City in Southwest China as an example and uses the Fuzzy Analytic Hierarchy Process (FAHP) to quantitatively calculate the improvement grade of THSE in 55 townships of JianYang County. The author carried out an investigation for more than one year. According to the actual situation of JianYang County, five primary indexes and 22 secondary indexes were selected to establish a comprehensive evaluation index system. This index system contains 1210 statistical data points, and more than 30,000 data points were calculated and derived in this article. Finally, the author calculated the improvement grade of 55 townships by FAHP quantitatively and carried out a horizontal comparison of townships within the same grade to further determine the order of improvement of THSE.
Highlights
The concept of the human settlement environment (THSE) began with the theory of “human settlement” proposed by Doxiadis C A in 1975 [1]
The urgency of the human settlement environment (THSE) improvement is affected by many factors
According to the characteristics of THSE in JianYang County, the author divides the urgency of THSE improvement into five grades: grade A represents a need to be improved extremely, grade B represents a need to be improved urgently, grade C represents a need to be improved intensively, grade D represents a need to be improved obviously, and grade E represents a need to be improved slightly
Summary
The concept of the human settlement environment (THSE) began with the theory of “human settlement” proposed by Doxiadis C A in 1975 [1]. The Chinese scholar Liangyong Wu first advocated the establishment of THSE science in 1990 [2] He believes that THSE is a place where human beings live together, which is composed of the natural system, human system, social system, living system, and environmental system. Regarding solving the problem of THSE, Western developed countries are at the forefront of the world, but the developing countries with large populations and poor areas still facing huge problems regarding THSE. To solve the “Big City Diseases”, local governments need to improve the living conditions of residents in the main urban areas and, more importantly, the need to expand the city scale reasonably, making great efforts to improve THSE of the surrounding areas and guiding the orderly outward movement of population and industries. The development of mega-cities in major, Western, developed countries has basically gone through this process [5,6,7]
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