Spatio-Temporal Sequence of City′s Construction During the Ming and Qing Dynasties in Sichuan
利用ArcGIS构建明清四川城市时空数据模型,分析城市建设高潮期(成化、天顺、正德、洪武)及新城市集中于川中、川南的时空特征。
The Ming and Qing Dynasties are most important period of the development history in the Sichuan region,and many cities′ construction had raised a climax too.Based on ArcGIS9.x,city′s spatio-temporal data modal of the Ming and Qing dynasties has been built,and the features of spatio-temporal sequence of city′s construction have been analyzed employing VBA.Under the action of geography,politics,socio-economy and other factors,the new cities were mainly constructed during the Ming Chenghua,Tianshun,Zhengde and Hongwu reigns,while these new cities were located at central and southern areas of Sichuan where there are better land conditions and better transportation.