| The application of big data adds more scientific research methods to the vitality of waterfront space.Guided by the theory of urban waterfront space vitality and big data analysis model,this study evaluated the waterfront space vitality of Fuhe River in Chengdu’s ecological zone around the city,and proposed strategies for building and optimizing the waterfront space vitality of Fuhe River in Chengdu based on current problems.Firstly,four sections with different vitality in the study area(the section winding the city,the section ringing around the city,the section in the central urban area,and the section in Tianfu New Area)are selected as the research object,and the differences of waterfront and air vitality in the four sections are obtained through comparative analysis;Then,through Arc GIS and other related software,as well as online text data analysis and other means,a quantitative and qualitative analysis model is established to analyze the correlation between waterfront space vitality and external space-time influencing factors,and the relationship between internal perception influencing factors,so as to explore the internal and external environmental factors that affect waterfront space vitality.The main conclusions of the study are:(1)The vitality of waterfront space is positively related to the external factors.The three types of influencing factors,namely,traffic convergence,space function and facility construction,have a high impact on the vitality of waterfront space,among which the impact score of traffic accessibility is the highest,the impact of vegetation,scenic spots,function mixing,office space and residential space is equal,showing a high impact,while the impact of consumer space,public services and road network convergence is relatively low.The interaction between vegetation and each factor has the greatest impact on space vitality.(2)Based on the exploration of internal perception influencing factors,residents are more inclined to scenic spots with better water quality,richer riverside landscape,higher popularity,and richer history and culture,while residents are more inclined to Chengdu’s local characteristic activities.(3)In view of the lack of vitality of the waterfront space of Fuhe River,combined with the factors that have a greater impact on the vitality of the waterfront space in the research conclusion,this paper proposes the strategies to enhance the vitality of the waterfront space of Fuhe River in Chengdu from five aspects:(1)Improve the functional vitality by optimizing the layout of the surrounding functions of the waterfront space and creating the adaptability of the waterfront space model.(2)Improve traffic vitality by improving pedestrian traffic accessibility and street optimization;(3)improve social vitality by building waterfront social circle and building diversified facilities;(4)improve cultural vitality by integrating local culture of Chengdu;,(5)Enhance ecological vitality by enriching plant landscaping,diversified design of revetment and establishing habitat. |