| Waterfront space is an important public space in a city,which is closely related to the life of urban residents.With the development of the city and society,people's demand for a better life is increasing day by day.With the advent of the era of big data,the exploration of waterfront spatial vitality has a more scientific and objective method.How to build a reasonable evaluation model and conduct integrated analysis of multi-source big data is one of the keys to explore waterfront spatial vitality.This paper takes the waterfront space in the main urban area of Nanjing as an example,and through a lot of field research to understand the situation of waterfront space.By using big data,the external spatial environment elements and internal spatial structure influence of the vitality of waterfront space are explored from macro and micro levels respectively.Specifically,through large data summarized waterfront space of time and space dynamic change rule,at the same time in order to reflect the impact quantitative waterfront space with all kinds of energy of various kinds of elements,and with the aid of spatial statistics in the detector,this method on the elements that influence the vitality of the waterfront space of various kinds of inquiry,the combination of quantitative evaluation of the influence of a single factor and double factors under the action of impact on the vitality of the waterfront space.The research results are as follows:The change of waterfront spatial vitality has obvious spatio-temporal regularity,which is of great significance for understanding human behavior patterns and providing theoretical support for planning and design.The influence of the external spatial environment factors on the waterfront spatial vitality is greater than that of the internal spatial structure factors.The improvement of the surrounding facilities of the waterfront space in low-intensity development areas and the protection of the waterfront space in high-intensity development areas should be noted.The influence of interaction under factor combination on the spatial vitality of waterfront is greater than that of single factor,indicating that the "chemical reaction" generated under the combination of factors directly affects the spatial vitality value of waterfront.The macro level,the degree of spatial functional mixing of waterfront space has the greatest effect in the vibrant,walking accessibility to the influence degree of the waterfront space dynamic times,public transportation accessibility showed the influence of the weak,but with the accessibility of other factors,the influence of the energy value of waterfront space enhanced obviously,so it should pay more attention to the construction of the waterfront space public transport facilities.At the same time,under the action of dual factors,the regional economic status and other factors have a strong impact on the spatial vitality of waterfront,indicating that the economically active waterfront is more attractive to people.On the micro level,the influence of artificial elements is greater than that of natural elements,among which the human landscape has the greatest influence on the spatial vitality,it provides a theoretical basis for the construction of human landscape.Under the interaction of two factors,the combination of vegetation and other influencing factors has a great influence on the vitality of waterfront space,among which the combination of vegetation and cultural landscape has the strongest influence,indicating that people are more longing for the space with abundant vegetation in waterfront space,and the construction of waterfront plant space should be strengthened.Finally,according to the research results,this paper puts forward relevant suggestions for the planning,design and management of waterfront space from the macro and micro levels,so as to provide references for the improvement of the current waterfront space and provide theoretical support for the future construction of vibrant urban public waterfront space. |
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