中小城市就业者活动空间影响机制研究——以云南省曲靖市为例  

Influence Mechanism of Activity Space for Employees in Small-Medium Cities:A Case Study of Qujing,Yunnan Province

作　　者：郑晖 段玉琳 ZHENG Hui;DUAN YuLin(School of Jewelry,West Yunnan University of Applied Sciences,Tengchong Yunnan 679100,China;Dehong Teacher's College,Dehong Yunnan 678400,China)

机构地区：[1]滇西应用技术大学珠宝学院,云南腾冲679100 [2]德宏师范高等专科学校,云南德宏678400

出　　处：《城市交通》2025年第1期62-71,共10页Urban Transport of China

基　　金：滇西应用技术大学科研项目“基于时空行为分异的城市工作者交通相关社会排斥机理及过程研究”(2024XJK0014)。

摘　　要：对活动空间的既有研究多以大城市为研究背景,对中小城市关注较少,且更多分析社会经济特征、活动特征和建成环境等的直接影响,忽略了这些因素通过自由活动时间对活动空间的间接影响。以云南省曲靖市为例,基于时空行为视角,用活动空间的时空重心测度模型量化活动空间特征,分析就业者活动的时空特征差异,并通过构建结构方程模型揭示自由活动时间对活动空间的影响,进而剖析活动空间的影响机制,辨别影响因素和作用路径。结果表明:中小城市就业者活动-出行时间分配的快速变化导致了活动空间的变化,且这种变化在不同建成环境的社区中存在差异。不同自由活动时间之间的权衡机制显著影响就业者的活动空间模式;在各类属性特征对活动空间的影响研究中,考虑自由活动时间的中介效应能够提高模型的可解释性。The existing research on activity space has primarily focused on large cities,with less attention given to small and medium-sized cities.Moreover,it has predominantly analyzed the direct impacts of socioeconomic characteristics,activity patterns,and built environments on activity spaces,while overlooking the indirect influences of these factors through free activity time.Based on the space-time perspective,this paper uses the survey data of Qujing,Yunnan Province,quantifies the activity space characteristics with the space-time gravity-center measurement model,analyzes the differences of space-time characteristics of employees,constructs a structural equation model to reveal the impact of free activity time on activity space.Consequently,the paper dissects the influence mechanisms of activity spaces and identifies the influencing factors and pathways.The results show that the rapid changes in activity-travel time allocation among employees in small-medium cities have led to changes in activity space,and the change is varied in communities with different built environments.The trade-off mechanism between different free activity times significantly affects employee's spatial patterns of activity.In addition,when investigating the impacts of various attribute characteristics on activity spaces,considering the mediating effect of free activity time enhances the interpretability of the model.

关 键 词：交通规划 中小城市 活动空间 自由活动时间 路径分析 偏移度 扩展度 曲靖市 

分 类 号：U491.12[交通运输工程—交通运输规划与管理]