淮海城市群的城市中心性分析

从生产、商贸、信息、交通、科教、金融、医疗和文化8个方面建立起城市中心性综合评价指标体系，运用熵值法和首位度等相关方法，以地级市区为研究单元，对2012年淮海城市群内主要城市的中心性、规模分布和区域差异进行定量分析。结果发现：徐州是淮海城市群的首要中心城市，在生产、商贸、交通、科教、金融和医疗方面的中心性最强，但其首位分布并不显著。徐州的城市中心性不显著，且与临沂、济宁、连云港差距较小。

Analysis on urban centricity in Huaihai Urban Agglomeration

From the production,trade,information,transportation,science and education,finance,medicine and cultural centricity,the urban centricity evaluation index system of Huaihai Urban Agglomeration is established.By taking prefecture-level cities downtown as research unit,and using entropy method,first degree,and other related methods,the urban centricity,size distribution and regional differences of the major cities are quantitatively analyzed and compared in Huaihai Urban Agglomeration on 2012.The results show that Xuzhou is the primary central city in the agglomeration,which is the strongest from the aspects of production,trade,transportation,science and educa-tion,finance and medicine.While its first distribution is not significant in the view of the first degree,the centricity of Xuzhou is not significant,and the gap is small with Linyi,Jining,Lianyungang compared.