Analysis on the Sources of Soil Heavy Metal Cadmium Pollution in Hubei Province

In this paper, researches on the sourcs of cadmum in soil of Hubei province were concucted. Results of soil profile analysis showed that the accumulation of Cd to a certain extent in the surface soil was mainly caused by the alluvial diluvium of the fourth system and human factors. Correlation analysis revealed the correlation between Cd and other heavy metal. Results of factor and cluster analysis both presented anthropogenic sources, including traffic, industrial and agricultural activities.