Volume 36 Issue 9
Sep.  2011
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LIU Qing, XIA Jiangbao, XIE Wenjun. Application of Semi-variogram and Moran's I to Spatial Distribution of Trace Elements in Soil:a Case Study in Shouguang County[J]. Geomatics and Information Science of Wuhan University, 2011, 36(9): 1129-1133.
Citation: LIU Qing, XIA Jiangbao, XIE Wenjun. Application of Semi-variogram and Moran's I to Spatial Distribution of Trace Elements in Soil:a Case Study in Shouguang County[J]. Geomatics and Information Science of Wuhan University, 2011, 36(9): 1129-1133.
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Application of Semi-variogram and Moran's I to Spatial Distribution of Trace Elements in Soil:a Case Study in Shouguang County

  • 1Shandong Province Key Laboratory of Eco-Environmental Science for Yellow River Delta,Binzhou University,391 Huanghewu Road,Binzhou 256603,China

Funds: 山东省自然科学基金资助项目(2009ZRA16024);山东省教育厅科技发展计划资助项目(J10LC62)
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  • Received Date: July 12, 2011
  • Published Date: September 04, 2011
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    • Abstract
  • The spatial distribution of trace elements in Shouguang soil was studied though semi-variogram analysis and Moran's I methods to research the difference and veracity of different spatial analysis methods.The results show that there is good spatial structure of trace elements in Shouguang soils,and the spatial correlation degree is higher in surface soil than that in deep soil.Either in surface soil or in deep soil,the spatial correlation distance of the elements obtained from the semi-variogram analysis is about 20~60 km,but the positive autocorrelation distance obtained from spatial autocorrelograms is about 20~25 km.the negative autocorrelation distance is about 25~55 km.The spatial autocorrelation degree reaches the significant level except of the variable Zn in deep soil.The Moran's I is more accurate than semi-variogram in spatial correlation analysis of soil elements.
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