Urban form and transitional zones in hillside cities: morphological analysis of Yuzhong District, Chongqing

This research, framed within the discipline of urban morphology, addresses the issue of identifying and understanding transitional urban areas in rapidly urbanizing hillside cities. It specifically focuses on the area between the Central Business District (CBD) and residential zones in Yuzhong District, Chongqing, China. In hillside cities such as Chongqing, the complex terrain complicates urban development, often leading to incomplete or fragmented urban data, which challenges traditional planning methods. To overcome these challenges, we integrate map data, official planning documents and field survey outcomes to elucidate the complex urban form between the CBD and the inner residential areas of this hillside city. Our analysis employs an integrated approach using Geographic Information Systems (ArcGIS)-based spatial analysis, field surveys and document analysis. Leveraging data overlay and spatial positioning techniques ensures the accuracy and effectiveness of the research. The results disclose the persistence of traditional concentric circular structures in transitional areas between residential zones and the CBD, underscoring their role in accommodating a variety of commercial and social activities. This research contributes to a deeper understanding of the spatial and social dynamics in Chongqing’s urban transitional areas. It establishes a foundational framework for further exploring their role in urban planning.