Abstract
Farmland soil in the suburb is polluted to some degree due to the effect of human activities. In this paper spatial distribution and pattern of copper (Cu), lead (Pb) and zinc (Zn) contents in the farmland soil in suburb of Harbin were analyzed using geostatistics methods. Results of semivariance fitness models showed that contents of Cu and Zn were auto-correlated to a high degree respectively, while Pb content in soil was auto-correlated to a moderate degree. Based on the results of semivariance analyses, distribution maps were generated using Kriging interpolation. The results showed that the accumulation area for Cu, Pb and Zn appeared mainly around Hafei automobile industry group and Yatai cement plant.
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