Figure 2
From: Retrieving zinc concentrations in topsoil with reflectance spectroscopy at Opencast Coal Mine sites

The workflow of this study. (Note: OR represents the original spectral reflectance of Zn).
From: Retrieving zinc concentrations in topsoil with reflectance spectroscopy at Opencast Coal Mine sites

The workflow of this study. (Note: OR represents the original spectral reflectance of Zn).