Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 31.60% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 30.51% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 29.27% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 27.22% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 26.27% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 23.80% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 22.57% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 21.34% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 20.38% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 19.29% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 18.19% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 17.24% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 16.14% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 15.05% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 13.27% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 12.45% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 10.94% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 9.30% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 7.11% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 6.16% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 5.34% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 4.51% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 3.28% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 2.05% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 0.96% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 0.55% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 0.27% humidity Spectrum Vis-NIR reflectance spectra of Fontainebleau sand with 0.00% humidity