中国云南边境城市口岸贸易重心空间变化分析

Trade Center of Port Cities on Border of Yunnan Province of China: Spatial Shift

中国云南省边境线长4 060㎞,分布众多口岸和口岸城市。本文以空间分析重心模型为基础,在GIS技术支持下,对近10年(2001—2010)云南边境城市口岸贸易重心、人口重心空间变化进行分析。结果表明:1.云南边境城市口岸贸易重心沿经度方向移动强烈,沿纬度方向移动较缓;2.边境城市口岸发展差异明显,没有显著的空间聚集特征;3.人口重心、贸易重心纬度方向移动具有相关性;4.边境城市口岸与腹地之间互动机制初步形成。

Yunnan province of China has many ports and port cities on its 4 060 km border .In this paper , the shift of centers of economy and population on the border of the province from 2001 to 2010 is analyzed with GIS . The results show that the trade center of the port cities on the border of Yunnan shifts faster along the longitude di -rection than along the latitude direction is slow .The ports of border cities develop much differently with no signifi-cant spatial agglomeration characteristics .The shift of population center and trade center along latitude direction is relevant.Besides, an interaction mechanism between the border cities and inland is preliminarily shaped .