Dynamic characteristics of Shanghai's population distribution using cell phone signaling data
Received date: 2016-10-21
Request revised date: 2017-01-22
Online published: 2017-05-20
Copyright
Analysis of the dynamic characteristics of Shanghai's population distribution is an important basis for recognizing people's behaviors, allocating urban infrastructures, and making safety emergency plans. Be short of statistical data of temporal and spatial dynamic distribution of population, research on this topic is limited in China. Due to cell phone is the most popular communication terminal equipment, the distribution of cell phone users is able to reflect the distribution of population accurately. Using datasets of cell phone signaling records from Shanghai, this study builds a framework based on the relationship among population, time, and behavior to analyze dynamic characteristics of Shanghai's population distribution. The results show that: (1) there is a single center where the density of population at daytime and nighttime is the highest; (2) people gather in the center at daytime and flow to the suburbs at nighttime; (3) different types of people's behavior result in dynamic changes of population distribution; (4) spatial mismatch between employment and place of residence, and the dependence on city center cause a large number of people flow to city center; (5) the degree of dependence of leisure consumption behavior on city center is obviously higher than that of employment, especially in the ring areas adjacent to city center.
ZHONG Weijing , WANG De , XIE Dongcan , YAN Longxu . Dynamic characteristics of Shanghai's population distribution using cell phone signaling data[J]. GEOGRAPHICAL RESEARCH, 2017 , 36(5) : 972 -984 . DOI: 10.11821/dlyj201705013
Fig.1 Research framework图1 研究框架 |
Fig. 2 The framework of identifying place of residence图2 居住地的识别工作流程 |
Fig.3 Dynamic characteristics of Shanghai's population distribution图3 上海市人口动态空间分布特征 |
Fig.4 Division based on population density at daytime and nighttime and their ratio at the district level图4 昼夜人口密度和比值特征分区 |
Fig.5 Distribution of build-up areas and city center图5 集建区和中心城区用地分布 |
Fig.6 Spatial distribution of population density in central city at daytime and nighttime at the neighborhood level图6 中心城区各居委昼夜人口空间分布 |
Fig.7 The ratio of population in central city at daytime and nighttime at the neighborhood level图7 中心城区各居委人口昼夜比分布 |
Fig.8 Spatial distribution of employment and residential density图8 居住和就业人口密度分布 |
Fig.9 Distribution of average commuting distance at the district level图9 各街镇平均通勤距离 |
Fig.10 Distribution of average leisure and shopping trip distance at the district level图10 各街镇消费休闲出行平均距离 |
Fig.11 Proportion of commuting and leisure and shopping trip from suburb to central city at the district level图11 郊区街镇通勤和消费休闲活动对中心城区的依赖 |
The authors have declared that no competing interests exist.
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