To study the distribution model of lead in soil along highway polluted by vehicle exhaust,the concentration of lead in the soil samples along Chengyu highway had been detected and a model was set up using modified TKY...To study the distribution model of lead in soil along highway polluted by vehicle exhaust,the concentration of lead in the soil samples along Chengyu highway had been detected and a model was set up using modified TKY model.The comparison between observed lead concentrations and simulated ones showed that:correlation cocfficient r=0.8772~0.9938;regession coefficient a=0.7739~0.8825 and variation coefficient s=0.0606~0.1255.All of these approached or attained reference standard of A rank.展开更多
文摘To study the distribution model of lead in soil along highway polluted by vehicle exhaust,the concentration of lead in the soil samples along Chengyu highway had been detected and a model was set up using modified TKY model.The comparison between observed lead concentrations and simulated ones showed that:correlation cocfficient r=0.8772~0.9938;regession coefficient a=0.7739~0.8825 and variation coefficient s=0.0606~0.1255.All of these approached or attained reference standard of A rank.