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《Geology of Anhui》 2008-02
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MULTI-FRACTAL GEOSTATISTICAL METHOD FOR STUDYING SPATIAL DISTRIBUTION OF CD IN SOIL IN DAXING TOWN

TAO Chun-jun1,ZHOU Tao-fa2,XING Huai-xue3,CHEN Yong-ning1,CHEN Xin-ren1,JIA Shi-jun1,YUAN Feng2,LI Xiang-ling2(1.Anhui Geological Survey,Hefei 230001,Anhui,China;2.School of Resources and Environmental Engineering,Hefei University of Technology,Hefei 230009,Anhui,China;3.Nanjing Center,China Geological Survey,Nanjing 210016,Jiangsu,China)  
As an important part in soil science,analysis of spatial distribution of Cd in soil is a basis for evaluation and control of soil environment pollution.Kriging interpolation method,which is most commonly used,could make a precise evaluation.However,when evaluating abnormal distribution of elements in the region that are most concerned with the evaluation and control of environmental pollution,Kriging interpolation,due to its low-pass filter,is unable to correctly estimate the outlier.Therefore,this paper made spatial interpolation and analysis of Cd in the area of Daxing by using multi-fractal geostatistical method.The results show that this method can better reflect the singularity of spatial distribution of Cd.
【CateGory Index】: TP79
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