Application of fuzzy mathematics method to soil heavy metal pollution evaluation in a gold mining area of Xiao Qinling
In this paper,characteristics of content,distribution and variation of seven heavy metals (hydrargyrum,plumbum,cadmium,arsenic,chromium,copper and zinc) were analyzed in the study area.Based on the analyses,the fuzzy mathematical method was used to construct the membership functions and a fuzzy comprehensive evaluation model was established.By using this model,soil samples data collected in 2009 in the study area are calculated.The results show that about 38.36％ of the soil in the study area was moderate or severely polluted.
heavy metal pollutionfuzzy mathematicspollution evaluationXiao Qinling area
国家科技期刊平台
NSTL
万方数据
维普
