The Influence Of The Spatial Structure Of The Pearl River Delta On The Organization Of Express Delivery Networks

In 2017,China's express business volume reached 40.6 billion pieces,an increase of 28% year on year,accounting for more than 40% of the world's share.For four consecutive years,China's express business ranked first in the world,with an increase of 8.78 billion pieces,contributing more than 50% to global express growth.Under the background of high-speed flow of social materials,express service industry has become an industry with strong explosive potential and has gradually become one of the important industries to promote regional economic development.One.Among them,Guangdong Province is the first large express delivery province with a business volume of tens of billions and business income of over 100 billion.The Pearl River Delta region alone supports half of the country's express delivery business,accounting for 59.5% of the country's business volume and business income,followed by the Yangtze River Delta accounting for 56.8% of the country's share.In the process of mass material flow,the express industry links various regional units.The heterogeneity of spatial structure such as social and economic development level,urban functional layout and population distribution exists in each regional unit.The heterogeneity of spatial structure also affects the spatial organization form of the express industry.The Pearl River Delta is one of the most advanced positions in the development of China since the reform and development.The "material flow" of the Pearl River Delta occupies half of the whole country.Therefore,this paper takes the Pearl River Delta as the research object to explore the heterogeneity of the spatial structure of the Pearl River Delta and the distribution of the express network organization.The purpose of the study is to explore how the spatial structure of the Pearl River Delta affects the express enterprises of the Pearl River Delta urban agglomeration.Spatial organization form,and the influence coefficient of each spatial structure elements on express delivery organization in the Pearl River Delta.The data in this paper are from the National Postal Administration,Guangdong Statistical Bureau and Pearl River Delta City Statistical Bureau.The data sources are from the statistical annual contributions and statistical reports from 2016 to 2018.The POI data of industrial enterprises and express delivery enterprises in the Pearl River Delta are obtained through the pulse data,and the time point is November2018 to November 2019.The scope of the study is 54 district and county units in 9cities of the Pearl River Delta.The social and economic development,population distribution,industrial morphology and spatial network organization of 54 district and county research units in 9 cities of the Pearl River Delta are discussed.The main influencing factors of spatial distribution of express service are screened by global regression analysis method OLS.Finally,the GWR method is used to explore the main influencing factors of spatial distribution of express service.The research on the influence coefficient of the main influencing factors of the unit local express enterprises has certain reference significance for the study of the layout of enterprises in the region.This paper is mainly divided into three parts.Chapter 1: Chapter 1-3.Chapter 1is the introduction,which mainly studies the dynamic research on the relationship between regional spatial structure,express network,city,regional spatial structure and express network,and puts forward the scientific problems,research contents and research objectives of this paper for its own research object.Chapter 2 briefly reviews the relevant theories,laying the overall framework and ideas for the research;Chapter 3 introduces the research.This paper studies the general situation of regional social and economic development and the development of regional express industry,explains the data sources,the time range of data sources,and formulates research methods and research programs.The second part: Chapter 4-6.Chapter 4mainly introduces the economic spatial structure of the Pearl River Delta,starting from three aspects: population,economy and industrial enterprise.Chapter 5discusses the spatial distribution,agglomeration and spatial structure of express network organization,and evaluates the service capacity of express network.Chapter6 uses global regression analysis OLS model to estimate the influence factors of express network organization in the Pearl River Delta region,then uses local regression analysis to measure the influence factors of each unit in the study area.Chapter 7 of the third part is the conclusion of the article.The results show that:(1)Guangzhou and Shenzhen are the central cities of the Pearl River Delta in terms of population size and social and economic development;in terms of industrial configuration,three major industrial centers in the Pearl River Delta are located in Xiangzhou District of Zhuhai City,Pengjiang District of Jiangmen City,the junction of Zhongshan City,Baoan District of Shenzhen City and Longhua District.(2)Most of the top ten express delivery enterprises have the same spatial distribution,mainly in south-central Guangzhou,Eastern Foshan,Zhongshan,Eastern Zhuhai,Dongguan and Shenzhen.Express outlets cover the most intensive areas in the southwest of Guangzhou,Zhongshan,Zhuhai,Dongguan and Shenzhen.Jiangmen,Huizhou and Zhaoqing are three cities with very low degree of development of express industry,most of which are not within the maximum service radius of 5.44 km.The transit centers of express cities are mainly concentrated in Guangzhou,Shenzhen,Dongguan and Zhongshan,and most of the first-class transit centers are distributed along the main national railway and highway trunk lines.They are concentrated in the central and southern parts of the city,mostly in the main urban areas.(3)OLS regression equation explains that the degree of independent variable's influence on dependent variable is 82.25%,and the reliability of independent variable's selection is high.Except the negative population density,which indicates that there is a negative correlation between population density and the number of express enterprises,the other selected independent variables are positively correlated with the number of express enterprises.There is no multiple linear relationship between independent variables.(4)The results of GWR analysis show that the impact of national GDP and retail sales of social consumer goods on the distribution of express enterprises is weak,so the impact on GDP and retail sales of social consumer goods and the distribution of express enterprises is holistic;the regression coefficient of population size has the strongest impact on the distribution of express enterprises,followed by the regression coefficient of industrial enterprises,the regression coefficient of population density and the return of per capita GDP.Regression coefficients,the impact of these coefficients on the spatial form of express delivery enterprises is weakened in turn.