泛长三角地区城市效益与规模协调性测度

MEASURE THE COORDINATION OF CITY BENEFIT AND CITY SCALE IN THE PAN-YANGTZE RIVER DELTA

以2003、2013年泛长三角地区的地级及以上城市为研究案例地,基于熵值法测度城市效益及规模的综合发展水平,并测算二者的耦合协调度,揭示城市效益与规模协调发展特征,结果表明:城市规模整体扩大的同时,城市效益也整体提升;城市效益与规模的耦合协调度整体提高,由失调衰退型向协调发展型过渡:协调发展型城市分布格局由2003年的"箭头形"向2013年的"N形"转变,失调衰退型城市个数由19个减至12个。最后,运用象限图分类识别法分析城市效益与规模的协调发展关系,发现:城市效益发展超前于规模的城市主要分布于浙江省、皖东、苏中及苏东沿海地区,城市规模发展超前于效益的城市主要集中于皖北、皖西以及苏北地区,并对不同发展类型的城市给出相应的发展建议。

Under the macro background of developing ＂new normal＂ economy and constructing the Yangtze River Economic Zones, the Pan-Yangtze River Delta Region is gradually becoming one of the most dynamic region to support China＇s economic development. The study choose cities at prefecture level and above in the Pan-Yangtze River Delta Region in 2003 and 2013 as study cases, measure comprehensive developing level of city benefit and city scale based on the entropy method, then calculate the coupling coordination degree of them, to reveal the coordinated development characteristics of city benefit and city scale, the results show that： The city benefit of the Pan-Yangtze River Delta Region has been overall elevated and the city scale has been expanding simultaneously; The coupling coordination degree of city benefit and scale increased integrally, and the differences between cities is narrowing, the coordination degree of whole region changed from inharmonious recession type to harmonious development type： the distribution pattern of harmonious development type changed from ＂arrow-head＂ in 2003 to ＂N shape＂ in 2013, the numbers of inharmoni- ous recession type changed from 19 down to 12. Finally, it apply the quadrant diagram classification method to analyze the development relationship of city benefit and city scale in the Pan-Yangtze River Delta Region, discover that： the cities which benefit ahead of scale mainly distributed in Zhejiang province, east Anhui, central Jiangsu and coastal region of east Jiangsu, the cities which scale ahead of benefit mainly distributed in the north Anhui, West Anhui and north Jiangsu.