关键词: 人口城镇化 , 时空格局, 驱动力京津冀, 县域

Abstract: Based on the 2000 and 2010 census data of Beijing-Tianjin-Hebei megacity regionthis paper uses the ESDA method to analyze the spatial pattern of urbanization rates as well as its changes at county level By applying Spatial Error Model and GWR method both global and local driving forces of urbanization are investigated in this region The main results are as follows The urbanization rate of Beijing-Tianjin-Hebei megacity region at county level manifests a significant pattern of spatial aggregation which is gradually strengthened The increase of urbanization rate shows a pattern of convergence and areas where the urbanization rate is high have positive impact on the nearby areas where the urbanization rate is low For areas where the urbanization rate is increased the distribution of high value of rural contribution share is similar to that of areas which are in low urbanization rate Economic level industrial structure medical and education level and terrain condition have significant effects on the urbanization level of Beijing-Tianjin-Hebei megacity region Each driving force has a unique distribution of incidence pattern for different areas．

Keywords: Population Urbanization , Spatial-Temporal Pattern , Driving Forces , Beijing-Tianjin-Hebei Mega-city, County Level