文档介绍：生态与农村环境学报2015,31(6):853-858JournalofEcologyandRuralEnvironment珠三角地区PM25浓度空间自相关分析昌晶亮1,余洪2,罗伟伟3(,湖南益阳413000;,湖南益阳413000;,湖北武汉430035)摘要:㊂,汇总后得到监测点季度均值和年均值,㊂结果显示,,㊂空间自相关分析表明,90km范围内,,空间自相关性存在城市尺度和区域尺度2次递减;春㊁夏㊁秋㊁㊁㊁,空间自相关性由高到低依次为夏㊁冬㊁秋和春季;,-低集聚(L⁃L),而离海岸稍远的广州等地区为高-高集聚(H⁃H)区域㊂关键词:大气污染;;空间自相关;空间集聚;珠三角地区中图分类号:X513;P951文献标志码:A文章编号:1673-4831(2015)06-0853-06DOI:.1673-⁃liang1,YUHong2,LUOWei⁃wei3(,HunanCityUniversity,Yiyang413000,China;,HunanCityUniversity,Yiyang413000,China;,MilitaryEconomicsSchool,Wuhan430035,China)Abstract:⁃⁃⁃⁃sultsshowthatinthePearlRiverDelta,(1)withintheradiusof90km,,whichindicatesthatspatialautocorrelationdeclinedtwotimesatthecityscaleandthentheregionalscale;and(2),,,,inspring,summer,a