大都市边缘地区城市化与城市空间扩展研究——以广州市番禺区为例

Research on the urbanization and urban spatial expansion of the marginal area of metropolitan cities:A case study of Panyu district,Guangzhou

目的以广州市番禺区为例,研究大都市边缘地区城市化与城市空间扩展的特征以及大都市对其的影响。方法以1988—2004年5个时间段LandsatTM/ETM遥感影像为数据来源,运用Er-das和Arcgis软件进行分析。结果番禺由一个小城镇向大都市新城区的发展过程,是区域社会、经济等多方面快速发展和适当地行政区划调整共同作用下的结果。结论大都市边缘地区的城市化是自身社会经济发展的结果,大都市对边缘地区城镇产生多方面影响,行政区划与调整束缚和强化了广州市对番禺城市化和城市空间扩张的影响。

Aim The purpose of this paper is to reveal the characteristics of the urbanization and urban spatial expansion of the marginal area of metropolitan cities,as well as the influence of metropolitan cities,by using an example of Panyu,Guangdong province,which was turned from a small town to a metropolitan area in the past 20 years. Methods The data obtained from LANSAP and TM/ETM images and spanning the five stages from 1988 to 2004 were analyzed with the assistance of Erdas and Arcgis software system in this paper. Results The results indicate that the urbanization and spatial expansion of Panyu city is due to the jointly effects of the rapid social and economic dvelopment,as well as the proper adjustment of administrative districts. Conclusion The conclusion is that the urbanization of the marginal area of metropolitan cities caused by its social and economic development,is also influenced by the local governments＇ administrative adjustment. The adjustment of administrative districts has limited and highlighted the influence of Guangzhou city to the urbanization and urban spatial expansion of Panyu city.