| The vitality of urban waterfront space is a very important index to judge the vitality of the waterfront city.However,with the progress of the times and the advancement of urbanization,the waterfront space in the waterfront city is being eroded and destroyed.In recent years,under the background of the state vigorously advocating that clean water and lush mountains are gold and silver mountains and promoting the construction of ecological civilization,the vitality of urban waterfront space is constantly recovering and developing.Nanyang City was born in accordance with the Baihe River and prospers because of it.The rise and fall of the waterfront space vitality of the Baihe River is very important.However,in the previous studies on the waterfront space of Baihe River in Nanyang City,it is found that there is a lack of researches on the vitality,a systematic research system and basic data reserve,and a lack of exploration on the factors affecting the vitality of the waterfront space.In this context,from the perspective of big data,this paper innovatively explores the vitality architecture composition of Baihe waterfront space,analyzes the factors affecting the vitality of urban waterfront space and its operating mechanism,and proposes the vitality optimization strategy of Baihe waterfront space.This paper firstly combs and summarizes previous concepts and theories about waterfront space,urban vitality and big data.This paper analyzes the vitality mechanism of urban waterfront space,constructs the vitality architecture model of "Vitality Subject----Vitality Medium----Vitality Object" based on the subject and object,and starts from "Vitality Subject----Urban Residents,Vitality Object----Waterfront Space,Vitality Medium----Social Factors".Through the vitality framework,the three-dimensional integrated vitality evaluation system of "Perception Dimension,Social Dimension and Natural Dimension" is extended.From the five vitality indicators of network heat,residents’ emotion,natural elements,interest points and accessibility,a total of 16 vitality factors,the spatial vitality of four areas in the waterfront space of Baihe River is discussed in multiple dimensions.And summarize the spatial vitality characteristics of different areas of Baihe River.Then,the vitality of Baihe waterfront space is represented by the emotional cognition degree of the vitality subject.Pearson correlation analysis and multiple linear regression analysis are further carried out between residents’ emotions and other vitality indicators to explore the vitality factors that have the greatest influence on the residents’ emotions of Baihe waterfront space and analyze the reasons.Finally,it puts forward vitality optimization and promotion strategies from macro and micro perspectives respectively.The main research conclusions are as follows:(1)General rule: all the vitality factors of the middle two areas were better,and the comprehensive vitality was higher;The vitality factors of other areas are relatively weak,and the comprehensive vitality is relatively low.Vitality is closely related to the development of every region.(2)Optimization direction: Through research,it is found that four vitality factors,namely,Internet discussion heat,shoreline hydrophilicity,accessibility of public transportation and accessibility of self-driving cars,have a great impact on residents’ emotions.Therefore,it is necessary to optimize waterfront space vitality from the perspectives of online comments,shoreline morphology and internal and external accessibility.At the macro level,it is recommended to promote the participation of urban residents,attract all kinds of people to visit,stabilize the efficiency of natural ecology,balance the development of hot and cold spaces,strengthen the application of digital technology,and build the memory of urban nodes.At the micro level,each district should meet the needs of students,improve the cross-strait transportation system,add green and intelligent trails,innovate the form of fitness interaction,pay attention to the creation of seasonal landscapes,increase the popularity of the positive network,improve child-friendly facilities,and enrich the waterfront shoreline. |