Based on the results of Spearman correlation analysis, for eight heavy metal elements such as As, Cd, Cr, Cu, Hg, Ni, Pb and Zn, the characteristic bands with significant (*) or extremely significant (**) correlation coefficients were selected as modeling variables, and the inversion models of eight heavy metal contents were constructed.
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Spatial heterogeneity of heavy metals in contaminated soil using hyperspectral inversion models: a case study of Dongting lake region, south-central China.
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