Abstract
The activity of the urban night-time economy is one of the most important indicators reflecting the prosperity of an urban economy. The business circle is an important carrier of urban commercial activities and the core area of urban nightlife. This paper takes the main urban area of Yiwu city as the research object. Based on POI data and night-time light remote sensing data, two-factor mapping, kernel density analysis, DBSCAN clustering, and local contour tree methods are adopted to identify the business circle structure of the main urban area of Yiwu city and analyse the relationship between business circle characteristics and the night-time economy. The following conclusions can be drawn. (1) The spatial superimposition relationship between the night-time remote sensing data and points of interest (POI) data in the main urban area of Yiwu city is good, and the overall coupling results show obvious circle structure characteristics. (2) The spatial distribution of different business combinations has obvious regularity: comprehensive shopping business shows a multicentre distribution pattern and has a hierarchical feature. In contrast, professional food and beverage and leisure and entertainment businesses are close to urban residential areas, and different groups of people live in different places with their own characteristics. (3) From 2015 to 2019, the brightness value of each business circle showed a continuously increasing trend. In 2020, due to the impact of COVID-19, most of them declined. (4) Overall, the difference in business circle tiers reflects the difference in the level of night-time economic activities.
Highlights
The term night-time economy emerged in the United Kingdom in the 1970s and was initially a concept aimed at improving the empty nest phenomenon in urban areas and achieving an urban renaissance [1,2,3]
Data gridding refers to the process of transforming point data into surface data through topological analysis
Our method identifies other secondary business circles, such as Meihu, Beicun Tongdian Community, Beixiazhu Community, Longhui community, and Jiulian community business circles
Summary
The term night-time economy emerged in the United Kingdom in the 1970s and was initially a concept aimed at improving the empty nest phenomenon in urban areas and achieving an urban renaissance [1,2,3]. There is no unified definition of the nighttime economy in the academic community. It refers to the economic, social, and cultural activities conducted from 6 p.m. of the current day to 6 a.m. of the day. Its business forms include night-time shopping, dining, tourism, learning, watching films and television, leisure and entertainment, etc. With the continuous development of the urban economy, the connotation of the night-time economy has expanded, revealing both economic and social attributes as a whole [8,9]. Vibrant night-time consumption can reflect the prosperity of a city’s economy. Since the 1990s, the night-time economy has received increasing attention from
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