Evolution of urban economic effect regions in Shandong Province

This paper conducts the principles of economic geography science and urban geography science.Firstly,Shandong Province economic development has been divided into different stages through the method of Mann-Kendall.Then,the sudden-change years of urban economic development are obtained,and the key city rank is determined through synthesis scores.And then potential model is established,the ownership key cities of various grids are obtained using the grid law of ArcGIS,The results show that the economic center of gravity migrates to the east coast area,the level of the influence area of peninsula city promotes gradually and its influence strengthens and the difference of various urban areas is enlarged.Finally,the main effect factors of urban economic area changing in Shandong Province are discussed including the level of urban economic development,traffic understanding rate,social culture and the conditions of nature and location.