Title: Characteristics of Spatial Variability of Soil Acidity in the Typical Area of Taihu Lake Region
Abstract:A geostatistics method combined with GIS was applied to analyze the spatial variability of top-soil acidity in the typical area of Taihu Lake Region.The results showed that the spatial variability of ...A geostatistics method combined with GIS was applied to analyze the spatial variability of top-soil acidity in the typical area of Taihu Lake Region.The results showed that the spatial variability of soil pH was apparent in isotropy within the distance of 30km,beyond which the anisotropy of spatial variability was increasing due to the change of soil parent materials in the direction of NE34°.The semivariogram showed the soil pH had a relatively good spatial autocorrelation with the ratio of nugget to sill reaching 0.29,and the autocorrelative range extended to about 44km.The map of the soil pH interpolated through block Kriging depicted that the soil pH was higher in the northern part of the studied area than in the middle part,and the high spot of pH inlaid in the lower patch in the southern intervale.Read More
Publication Year: 2006
Publication Date: 2006-01-01
Language: en
Type: article
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