安徽省城市用地扩张及城市化特征研究

根据安徽省1991-2005年城市建成区的扩展情况，从城市空间扩展动态度来对安徽省17个地级市进行城市扩展分类，由此得到城市空间扩展不同梯度的扩展类型。结合社会经济统计数据对安徽城市化特征进行分析，发现安徽省城市化取得了显著的成就，并在此基础上提出了面临的挑战，为城市化进程及城市土地资源的可持续发展提供科学依据。

Study on Urban Land Expansion and Urbanization Characteristic in Anhui Province

The land use for city of Anhui Province expanded and the urbanization characteristic was studied according to the expansion of urban area of 17 cities in Auhui Province between 1991 and 2005, from the angle of their development of urban spatial expansion, d~s article made classifi- cation of urban expansion and conclude that the urban spatial expansion was much different between different areas. Then the authors analyzed the urbanization characteristic of Auhui Province and found that the urbanization of Auhui Province received notable accomplishment. On the basis of this, the authors suggested the challenge that the urbanization confronted with, in order to supply scientific suggestions for the process of urbanization and the sustainable development of urban land resources.