Copper Spatial Distribution Characteristics in Typical Mining Area Base on Gis Technology

摘要

The spatial distribution characteristics of copper in soil of Lipu copper mining area was studied using geostatistics approaches combined with GIS. The statistical analyses showed that a concentration of copper was lognormal distribution. The Kriging interpolation maps reflected significant spatial distribution of copper as influenced by both pollution and geological factors. The present study indicated that GIS based geostatistics method could accurately analyze the spatial variation of copper in the mining area. The content of copper in the south was significantly higher than that in the north due to paddy field land uses. In addition, the terrain of four terraces tilted to the center and the broad irrigation accident occurred in the 4th trench in the south of sampling area were also contributed to the higher concentrations of copper.