%0 Journal Article
%T Spatio-temporal evolvement of intersection traffic volume of mono-centric expanding city: A case study of Changchun<br>单中心扩展型城市的交叉口交通量时空演变——以长春市为例
%A YANG Qing-shan
%A ZHANG Peng
%A ZHANG Jia
%A WANG Yan
%A XIAO Chao-wei
%A <br>杨青山
%A 张鹏
%A 张佳
%A 王岩
%A 肖超伟
%J 地理研究
%D 2010
%I 
%X The paper studies the characteristics and regularity in spatio-temporal evolvement of intersection traffic volume of a typical mono-centric expanding city, based on the analysis of the data of 60 intersections in the years of 1980, 1985, 2000 and 2007 of Changchun city. The main conclusions are drawn as follows: (1) the spatial distribution and evolution of population flow and vehicle flow in the main intersections show a typical mono-centric circular expansion and axial agglomeration, namely center radial of circle-type characteristics, indicating that the traffic volume and road utilization rate of the central city are higher, while those of edge area is relatively low; (2) there are differences between the spatio-temporal evolvement of population flow and vehicle flow in the main intersections. Population flow shows a smaller and slower growth rate, with great and little change of variation coefficients in the past years, which is characterized by central agglomeration. To the contrary, the vehicle flow exhibits a larger and faster growth rate, and the coefficient of variation is smaller than that of population flow and has great changes. The traffic pattern shows the obvious point-axis centralized characteristics along the main roads based on central agglomeration; (3) Although population flow and vehicle flow in the main road intersections had great changes from 1980 to 2007, the spatio-temporal pattern of the traffic volume did not witness a fundamental change, which indicates that the spatial structure of mono-centric expanding city exerted a great influence on the spatial distribution of traffic volume.
%K mono-centric expanding city
%K intersection traffic volume
%K spatio-temporal evolvement
%K Changchun<br>单中心扩展型城市
%K 交叉口交通量
%K 时空演变
%K 长春市
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=869B153A4C6B5B85&jid=C0C75E88BA2EE501C8298896F64A711F&aid=FC1CCEA797E95F5D15839424B2AEBF24&yid=140ECF96957D60B2&vid=771469D9D58C34FF&iid=708DD6B15D2464E8&sid=5B42CCE3E72FE054&eid=09D37D27C104E85E&journal_id=1000-0585&journal_name=地理研究&referenced_num=0&reference_num=0