【摘要】 以绵阳市为研究区域，采用移动窗口法和均值变点法提取地形起伏度，分析地形起伏度对人口密度、经济密度的影响及其相关性，并与海拔进行对比分析.结果表明：(1)绵阳市中起伏度地形(200～500 m)占比最大，占研究区土地面积33.97%;小起伏度地形(70～200 m)次之，占26.83%;大起伏度地形(500～1 000 m)占18.32%;微起伏度地形(30～70 m)占15.46%;平坦地形(0～30 m)占5.38%、极大起伏度地形(>1 000m)占比最少，占0.4%.(2)地形起伏度对绵阳市人口分布、经济发展的影响强于海拔的影响；地形起伏度对人口分布的影响强于对经济发展的影响，且均呈显著负相关.(3)绵阳市地形起伏度不超过70 m的地区，聚集了26.67%的人口和35.41%的经济总量，但土地面积仅占2.74%,人口和经济活动向平原、台地等地形起伏度较小地区聚集趋势明显.更多还原

【Abstract】 Taking Mianyang City as the research area, the relief degree of land surface was extracted by means of moving window method and mean change point method, and the influence and correlation of the relief degree of land surface on population density and economic density were analyzed, and compared with altitude.The results showed that:(1) the medium-relief terrain(200-500 m) accounted for the largest proportion, accounting for 33.97% of the land area in the study area. Small relief terrain(70-200 m) is the second, accounting for 26.83%; Large relief(500-1 000 m) accounted for 18.32%; The micro-relief terrain(30-70 m) accounted for 15.46%; Flat terrain(0-30 m)accounted for 5.38% and the maximum relief terrain(>1 000 m) for 0.4%.(2) The effect of the relief degree of land surface on population distribution and economic development in Mianyang City is stronger than that of altitude. The effect of the relief degree of land surface on population distribution is stronger than that on economic development, and there is a significant negative correlation.(3) The area with the relief degree of land surface less than 70m has 26.67% of the population and 35.41% of the total economic volume, but only 2.74% of the land area. The population and economic activities of Mianyang City tend to converge to the areas with small relief degree of land surface, such as plain and platform.更多还原