摘要
Abstract
The spatio-temporal compression effect of information and communication technology(ICT)accelerates the dynamic coupling between residents' consumption behaviors and urban space.Existing research often focuses on a single perspective and rarely accounts for the interaction between different types of space and behavior.In this study,we integrated the human-land framework with multi-source data to systematically analyze the spatial distribution patterns and correlation of five categories of consumption facilities and behaviors in downtown Nanjing.The results show that:1)the consumption facility space represented by POI data presents a"one-master-many-times"agglomeration mode,and it has the unbalanced characteristics of more in the south of the Yangtze River and less in the north of the Yangtze River,more in the center and less in the periphery,and all five consumption facility types highly concentrated in the Xinjiekou-Confucius Temple-Hunan Road node area,displaying clear local heterogeneity.2)The consumption behavior space represented by check-in data presents a polycentric structure with lower aggregation intensity than facility space.The vitality of the old city and the new city is evidently divided into two levels.The five types of activity spaces are all centered on Xinjiekou,but there are some differences in their agglomeration degree and spatial distribution characteristics.3)The pattern of consumption facilities and behaviors shows"overall co-location,local dislocation",showing the spatial dependence of strong center and weak periphery;On the correlation level,the grade matching of the old city of Nanjing is good,and the peripheral new city has the problem of high planned energy level but insufficient agglomeration power,and the anti-magnetic effect has not yet formed.4)The five types of related patterns all follow the pattern of"high center-low periphery",and the consumption centers show different levels and functions,with the highest degree of catering concentration and multi-center spatial structure;the shopping category is"the old city is strong-the new city is weak",and the high-high nodes gather in the commercial mature and cultural tourism intensive areas;leisure shows the multi-core development characteristics of the ancient capital;life is well developed in mature communities,but it is easy to have a"functional vacuum"at the junction of the district;the descending law of the level of the center-periphery of accommodation is obvious,which is highly related to transportation and service resources;facilities and their corresponding activities are similar and cross-complementary,confirming a trend toward integrated consumption scenes.This study provides a comprehensive analysis of the heterogeneous characteristics of five types of consumption facilities and behaviors,addressing gaps in earlier research that emphasized only shopping and catering,and offers practical insights for supporting Nanjing's efforts to develop an international consumption center and promote balanced development between the old and new urban areas.关键词
消费空间/消费设施-行为/业态类型/南京Key words
consumption space/consumer facilities-behavior/activity type/Nanjing分类
建筑与水利
