Practice and Exploration of Defining Urban Built-up Area of Chongqing
To accurately identify the urban area of Chongqing and support the physical examination and evalu-ation work in Chongqing,this article took the central urban area of Chongqing as the research area,based on national land survey data,satellite remote sensing images,thematic materials and other data,and referring to the"Regulations for Determining the Scope of Urban Areas"standard,reasonably delineated the physical area and urban area of the urban area.The research conclusion was as follows:firstly,the physical area and urban area defined in the article were in line with the actual situation of Chongqing,and the technical standards of the"Regula-tions for Determining Urban Area"were practical and feasible.Secondly,after delineating the urban area,it had been determined that the physical area of the central urban area of Chongqing was 1 049.20 km2 and the urban area was 2 029.56 km2.Finally,the achievements of the urban area in the central urban area of Chongqing could serve the evaluation of urban physical examination,providing reference for improving the capacity of urbanization spatial governance and the construction of governance capacity.
physical urban built-up areaurban area scopeurban physical examination evaluation