%0 Journal Article %A Ma, R. %A Zhou, X. %A Shi, J. %D 2017 %T [Heavy metal contamination and health risk assessment in Critical Zone of Luan River Catchment in the North China Plain] %U https://geolsoc.figshare.com/articles/journal_contribution/_Heavy_metal_contamination_and_health_risk_assessment_in_Critical_Zone_of_Luan_River_Catchment_in_the_North_China_Plain_/5213086 %R 10.6084/m9.figshare.5213086.v1 %2 https://geolsoc.figshare.com/ndownloader/files/8902204 %K P 2 profiles %K Luan River Catchment %K forest method %K content %K graph %K parameter %K Critical Zone %K P 1 %K health risk assessment %K maize %K importance %K Heavy metal contamination %K North China Plain %K manganese %K Gini index %K Geology %X These graphs quantitatively describe importance of thirteen parameters for manganese, iron and lead content in maize for P1 and P2 profiles using the Gini index of random forest method. %I Geological Society of London