%0 Journal Article %T Spatial autocorrelation analysis of heavy metals in cultivated soils in Beijing
北京耕作土壤重金属含量的空间自相关分析 %A HUO Xiaoni %A LI Hong %A SUN Danfeng %A ZHANG Weiwei %A ZHOU Liandi %A LI Baoguo %A
霍霄妮 %A 李红 %A 孙丹峰 %A 张微微 %A 周连第 %A 李保国 %J 环境科学学报 %D 2009 %I %X Moran's I statistics was applied to describe the spatial autocorrelation coefficients,correlation distance and spatial pattern of heavy metals in cultivated soils in Beijing.Significant spatial autocorrelations were detected for 8 heavy metals and the autocorrelation distances were:Cr,57;Ni,75;Zn,57;Hg,55;Cu,55;Pb,65;As,74 km;and Cd,37 km.Local Moran's I was used to analyze the spatial distribution pattern of the heavy metals and identify the spatial clusters and spatial outliers.Taking Cr and Hg as example... %K Beijing %K cultivated soil %K heavy metals %K spatial autocorrelation
北京 %K 耕作土壤 %K 重金属 %K 空间自相关 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=A7CA601309F5FED03C078BCE383971DC&jid=03A55E61A8750ACAC6AF81EF9E2AC838&aid=D3F9A7C6F33ACF92B0338526FF5DE35A&yid=DE12191FBD62783C&vid=771469D9D58C34FF&iid=B31275AF3241DB2D&sid=59D5B0EDB2D8DABC&eid=D8AEABAD4F3221BE&journal_id=0253-2468&journal_name=环境科学学报&referenced_num=5&reference_num=40