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公共健康视角下城市社区绿道空间挖掘与规划选线研究 ——以苏州市中心城区为例
刘宇舒1, 林 芳2, 王振宇3, 林 冰2, 黄鑫冰2
1.苏州科技大学建筑与城市规划学院,副 教授;2.苏州科技大学建筑与城市规划学院,硕 士研究生;3.( 通讯作者):苏州科技大学建筑与城市 规划学院,讲师,850505718@qq.com
摘要:
社区绿道作为基层公共健康单元的重 要组成部分,发挥支持人群活动、服务日常生 活、促进身心发展的效用。在后疫情背景下,研 究聚焦社区绿道选线问题,以苏州市中心城区 为案例区,从解读公共健康与社区绿道关系入 手,明晰公共健康视角下社区绿道,在集聚人群 活动、连接便捷服务、提供舒适环境的效能的 基础上,运用热力图叠加分析、POI数据核密度 计算、载体空间适建性评价等技术手段,展开社 区绿道出行活力度、目的地潜力度、载体适建性的综合评价,以充分挖掘促进“生理—心理—社会”健康综合提升的社区绿道选线及方案,以推 进健康中国建设,增进人民健康福祉。
关键词:  社区绿道  公共健康  绿道选线  苏州市中心城区
DOI:10.13791/j.cnki.hsfwest.20240309
分类号:
基金项目:国家自然科学基金青年项目(51908390);江苏高 校优势学科建设工程资助项目;国家一流专业(城 乡规划)建设项目;江苏省“双创计划”资助项目 (SJCX23-1697);江苏省研究生科研与实践创新计 划项目
Research on spatial excavation and route selection method of urban communitygreenway in public health perspective: A case study of central district of Suzhou
LIU Yushu,LIN Fang,WANG Zhengyu,LIN Bing,HUANG Xinbing
Abstract:
Community greenway is an important part of grass-roots public health unit. From the actual construction, the current community greenway has not fully integrated green space and facility resources, resulting in an imbalance of connectivity and continuity, and insufficient connection with the upper-level greenway. There is also the problem of lack of green space landscape construction, which together lead to poor perception and experience of residents. After the construction of community greenway, the actual participation and utilization rate of community greenway are not high, resulting in the actual benefit of community greenway to public health. From the perspective of theoretical research, the traditional research is only limited to the perspective of community interior, and discusses the potential of community greenway construction and route selection planning methods with relatively single goals, which is still insufficient in terms of systematical and comprehensive. This paper starts with the interpretation of the relationship between public health and community greenway, and summarizes the development vein of community greenway. Community greenway has experienced three stages, from the parkway connecting park green space and community, to the slow way dealing with the relationship between pedestrian and afforestation, and to the greenway network strengthening its own community functionality. Public health is the core utility and value representation of community greenway. On the one hand, from the perspective of functional utility, community greenway plays the role of healthy environment, healthy life, healthy hygiene, healthy activities, healthy transportation, health services, health facilities and healthy society; on the other hand, from the perspective of value representation, the development and evolution process of community greenway reflects the value shift of public health in the regulation object, supply mode, service mode and space carrier. Community greenway is an important way and means to realize public health. Community greenway plays a positive role in health during the epidemic period. In normal times, community greenways can effectively improve the ecological environment, create a landscape environment, and provide activity space, so as to meet the public health needs of residents in physical, psychological and social dimensions, and promote the development of healthy lifestyle of residents. In the epidemic period, community greenway can effectively provide safe communication channels, effective ventilation corridors, and moderate social communication space, so as to exert public health effects such as controlling the source of infection, cutting off the transmission route, and easing residents' visual and psychological pressure. From the perspective of public health, community greenway has three characteristics: a community communication and recreation place for gathering people, a community living circle contact channelfor providing convenient services, and a community green infrastructure for creating a comfortable environment. In the post-epidemic context, this study focuses on the selection of community greenways, defines the characteristics of community greenways from the perspective of public health, and takes the downtown area of Suzhou as a case area to carry out a comprehensive evaluation of community greenway travel activity, destination potential, carrier suitability, in order to fully explore the community greenway route selection and plan to promote the comprehensive improvement of “physiological-psychological-social” health. Firstly, Baidu thermal node maps of different time periods and the superposition of thermal track maps of walking and cycling were used to analyze the community travel activity, and nodes and paths with high vitality were selected as the primary selection scheme for greenway route selection. Then, POI data of community service facilities is used to analyze the potential of community travel destinations, and high-potential nodes and high-vitality nodes are selected for superposition analysis, and unselected nodes with great potential are extracted as supplements to optimize the nodes that need to be connected in greenway route selection. Finally, the greenway carrier space suitability evaluation model was used to analyze the community travel environment comfort, and the unselected paths with great construction potential were extracted as a supplement to optimize the path scheme of greenway route selection. Then, through the optimization and classification of nodes and paths, the final plan of public healthoriented greenway selection was formed. According to the statistical results of greenway in each district, the fluctuation of greenway network density is small, which indicates that the greenway route selection scheme has good rationality and balance. The fluctuation range of importance greenway network density is slightly larger than the overall fluctuation range, and the change of the sequence of industrial park and Wuzhong district is obvious, indicating that the greenway route selection in industrial park covers more dynamic and potential link nodes, and the efficiency is higher. From the overall density of nodes, the urban area built earlier has a relatively good community travel activity. Although the node density of the new city industrial park is the lowest, the number of nodes is the largest, showing a strong level of facilities and service capabilities, and great potential for future development. By exploring the community greenway route selection from the perspective of public health in downtown Suzhou, this study is expected to provide theoretical and practical reference for the space mining and planning of community greenway route selection in other cities.
Key words:  community greenway  public health  greenway route selection  central district of Suzhou