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基于百度指数的长江中游城市群城市网络特征研究
引用本文:蒋大亮,孙烨,任航,陈影影,张振克. 基于百度指数的长江中游城市群城市网络特征研究[J]. 长江流域资源与环境, 2015, 24(10): 1654-1664. DOI: 10.11870/cjlyzyyhj201510006
作者姓名:蒋大亮  孙烨  任航  陈影影  张振克
作者单位:1. 南京大学地理与海洋科学学院, 江苏 南京 210093;2. 南京大学人文地理研究中心, 江苏 南京 210093
摘    要:随着地理研究迈入大数据时代,运用互联网展开城市网络结构研究逐渐成为经理地理研究的新思路。以长江中游城市群为研究对象,借助百度指数,获取2011年~2014年百度用户关注度,构建百度指数城市信息流网络,从大城市群视角和所辖三大子城市群视角,分别探讨城市网络格局的时空变化。研究发现:长江中游城市群在一体化进程中城市等级日益明晰,差距拉大。三大子城市群表现出极化效应与扩散效应并存,区域非均衡性突显;互联网的普及在一定程度上重塑和改造着城市群,但非完全颠覆传统城市网络格局,地理区位对城市网络格局和城市影响力的影响仍不容忽视。

关 键 词:百度指数  城市网络  信息流  长江中游城市群  

ANALYSES ON THE CITY NETWORK CHARACTERISTICS OF MIDDLE YANGTZE URBAN AGGLOMERATION BASED ON BAIDU INDEX
JIANG Da-liang,SUN Ye,REN Hang,CHEN Ying-ying,ZHANG Zhen-ke. ANALYSES ON THE CITY NETWORK CHARACTERISTICS OF MIDDLE YANGTZE URBAN AGGLOMERATION BASED ON BAIDU INDEX[J]. Resources and Environment in the Yangtza Basin, 2015, 24(10): 1654-1664. DOI: 10.11870/cjlyzyyhj201510006
Authors:JIANG Da-liang  SUN Ye  REN Hang  CHEN Ying-ying  ZHANG Zhen-ke
Affiliation:1. School of Geographic and Oceanographic Sciences, Nanjing University, Nanjing 210093, China;2. Research Center of Human Geography, Nanjing University, Nanjing 210093, China
Abstract:With the development of Economic Geography, the effects of Internet for city networks are turning into a new and hot topic. In this study, the mid-Yangtze urban agglomeration was selected as an example and attention data of year 2011 and 2014 between cities were obtained based on "Degree of Consumer Attention" function provided by Baidu.com. The results showed that the structure of cities in this region stands in a shaping stage. The grade of cities becomes increasingly clearer and the differences are more obvious. The polarization effect and diffusion effect are in coexistence in three sub-urban-agglomerations. Internet has a tendency of adjusting and revamping the current structure, instead of overthrowing it totally, which is believed to be a good opportunity for some developing cities to change their positions. Combining the traditional industry and internet, with the direction of development of the division of labor, some developing cities are stepping into the way of changing their traditional structure of city network.
Keywords:baidu index  city network  information flow  Middle Yangtze Urban Agglomeration
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