| Due to the improvement of people's living standards,the increase of leisure time and the implementation of legal holidays,more and more residents choose to travel on holidays.In addition,with the development of modern information technology,more and more tourism cities try their best to meet tourists' basic travel requirements including food,shelter,travel,shopping and entertainment through the intelligent tourist city.Some cities make full use of internet and big data technologies to create their "smart travel big data" monitoring system to acquire the tourist data of scenes in real-time,which contributes to build the smart travel cities better,faster and more conveniently.It is very meaningful and significant for us to deeply study the spatial structure of urban tourist source market,the spatial and temporal distribution characteristics of tourism flows and the selection of tourism flow routes,which enables us to understand the city's attraction for people coming from other cities and the level of tourism development.And,at the same time,we can judge whether it is rational of the allocation of tourism resources,which provides a reasonable basis for us to formulate policies for holidays.This study is based on the tourism planning project named "Research of Nanjing Smart Travel Big Data Application",in which all the data is acquired from "Nanjing Smart Tourism Big Data Monitoring Platform".We take the cities or provinces where tourists to Nanjing come from,the tourist flow of various scenic spots in Nanjing and different scenic route selection as research objects,and make some conclusions about the space structure of Nanjing's tourist market in the ways including the time stratification and the kernel density estimation.Besides,the temporal and spatial distribution of tourism flows during holidays in each scenic spots are analyzed on a microscopic scale such as "yearly changes","daily changes during holidays" and"moment changes".Based on the analysis of social networks,the centrality,middle-centrality,and near-centrality of the degree of the scenic spot are studied.Furthermore,the cooperative and competitive relationship between different scenes are studied through social network analysis with its role and weight.All of the conclusions are listed as fellow:(1).The length of leisure time has an important influence on the spatial structure of the tourist source market in Nanjing.The concrete manifestations are as follows:As the free time increases,the concentration of tourist resources in the Nanjing tourist market,the concentration index of the tourist source market and the smaller the first degree decrease.Besides,the longer the leisure time is,the bigger the attracting radius of the source is,and the more stable the source market is.(2).Longer leisure time will reduce the negative impact of distance factors on the tourist source market in Nanjing,showing a distance-attenuation pattern,which is expressed as follows:The longer the leisure time is,the lower the proportion of tourists in Jiangsu and its surrounding tourists in Nanjing will be.However,a certain form of crest exits at certain distances.(3).The length of free time can affect the attractiveness of scenic spots for tourists.The main manifestation is that the longer the idle time is,the smaller the damping coefficient of the space will be,the stronger willingness of people to travel,and the greater the attraction of scenic spots.However,in certain specific provinces and cities,the attraction of scenes does not change with the length of the holiday.(4).Nanjing's annual tourist flow is divided into tourist season,off-season and peace season,and "peak-forest structure" merges.The daily tourist flow distribution during the holiday season is a unimodal structure,and peak passenger flow occurs during the middle of the holiday period.In general,the tourist flow shows an inverted "U" type,and the peak daily passenger flow basically occurs between 10:00-17:00.(5).During different holidays,tourism flows in Nanjing are characterized by"regionalization and centralization" and "multi-nuclear and multi-centered";In addition,tourist flow in different leisure periods has a tendency of aggregating high-grade tourist attractions and accumulating into urban centers.With the increase of leisure time,Nanjing's tourist flow has gradually shifted from single-core to multi-core,and it has finally presented a tripartite situation.(6).During different holidays,according to the selection of tourist routes in Nanjing,the internal characteristics of the tourist routes of the Nanjing tourist nodes are discussed from the perspective of social network analysis.Fuzimiao,Xuanw-u Lake,and Zhongshan Scenic Area are the "three highs".The scenic spot,that is,a high degree of centrality,a high intermediate center,and a high approach to the center. |
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