I 首都师范大学硕士学位论文 基于 RS 和 GIS 的天津市城市扩展时空特征及其影响因素研究 Study on the Spatial-temporal Change Characteristics and Influence Factors of Urban Expansion in Tianjin
ABSTRACT
Since reform and opening up, China's productive forces has made great progress. Particularly in the eastern coastal region, with the adjustment of industrial structure and the acceleration of industry process, on the one hand, a large number of rural population pour into cities and towns, expanding the original urban scale; on the other hand, through the ways of changing county to city and changing township to town, a