中文摘要：

以ASTER GDEM为数据源,运用GIS空间分析法提取四川地形起伏度（RDLS）,并采用相关性分析方法,定量计算了各市州地形起伏度值与行政区划面积相关性。研究结果表明,四川省地形起伏度呈从西向东、从盆周向成都平原降低的空间格局;四川省各市州行政区划调整时空分布格局变化明显,调整模式多样;各市州地形起伏度与行政面积在0.01相关性水平下呈显著正相关,即随着地形起伏度的增大,行政区划面积相应增大。研究展示了四川省行政区划变更历史及现状,定量说明了其与自然要素-地形起伏度的相互关系,可为相关部门进行区域性资源配置提供参考。

英文摘要：

In this paper , the ASTER GDEM data was used as the main data source to investigate the relationship be-tween terrain relief and administrative area. The terrain relief was extracted at prefecture-level in Sichuan province based on GIS,and then a quantitative relationship was probed between terrain relief and administrative area. The re-sults showed that the terrain relief decreased either from west to east , or from the edge of Sichuan Basin to the center of that. During the past time many adjustments have made according to different mode,which resulted in the varia-tion both in temporal and spatial of prefecture-level division in Sichuan province. The terrain relief is positively in correlation with administrative area at prefecture-level with a significance level value of 0. 01. It implies if terrain relief is bigger,then the administrative area will be bigger too. In other words,the division adjustment at prefecturelevel of Sichuan province was reviewed, and quantitative interpretation has been investigated between terrain relief and administrative area. All that may be useful to related department when dealing with regional resource allocation and similar work.