土壤学报2009，Vol.46Issue(6)：1006-1012,7.
冶炼厂周边土壤重金属污染范围的界定与不确定性分析
IDENTIFICATION AND UNCERTAINTY ANALYSIS OF SCOPE OF HEAVY METALPOLLUTION IN THE VICINITY OF SECONDARY COPPER SMELTERIES
摘要
Abstract
One hundred and forty seven surface soil samples were collected from a contaminated site in Fuyang, Zhejiang Province for determination of concentrations of total copper, zinc, lead and cadmium in the soil. Spatial distribution of the four heavy metals in the study area was predicted using the combined prediction method (ordinary block kriging and triangular irregular network interpolation), and pollution probabilities, too, using the indicator kriging. Once again based on their respective soil pollution thresholds (i.e. soil environmental quality standard), and pollution probability thresholds (i.e. 50%), pollution scopes of the heavy metals were defined separately. The two results were compared for integrated definition of scopes of their pollution. In light of the severity of the pollution, heavy metal pollution of the studied region was sorted into "Polluted", "Unpolluted" and "Undefined". Results of the integrated definition show that 71.7%, 80.0%, 3.0%, and 83.1% of the soils in the area were polluted by Cu, Zn, Pb and Cd, and 20.8%, 10.5%, 12.5% and 10.9% were undefined whether they were polluted by Cu, Zn, Pb and Cd or not, respectively.关键词
重金属/污染范围/污染概率/不确定性Key words
Heavy metal/Soil pollution scope/Soil pollution probability/Uncertainty analysis分类
农业科技引用本文复制引用
吴春发,吴嘉平,骆永明,章海波,滕应,宋静,吴龙华..冶炼厂周边土壤重金属污染范围的界定与不确定性分析[J].土壤学报,2009,46(6):1006-1012,7.基金项目
国家重点基础研究发展规划项目(2002CB410810)、国家自然科学基金重点项目(40432005)、中国科学院创新工程方向项目(KZCX2-yW-404)资助 （2002CB410810）
