Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~70 µm, spherical) at 70 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~70 µm, spherical) at 85 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~70 µm, spherical) at 100 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~70 µm, spherical) at 110 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~70 µm, spherical) at 120 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~70 µm, spherical) at 130 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~70 µm, spherical) at 140 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~70 µm, spherical) at 150 K

Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~300 µm, spherical) at 70 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~300 µm, spherical) at 85 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~300 µm, spherical) at 100 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~300 µm, spherical) at 110 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~300 µm, spherical) at 120 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~300 µm, spherical) at 130 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~300 µm, spherical) at 140 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~300 µm, spherical) at 150 K

Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~300 µm, irregular) at 150 K (before cooling from 150 to 70 K) Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~300 µm, irregular) at 70 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~300 µm, irregular) at 80 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~300 µm, irregular) at 90 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~300 µm, irregular) at 100 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~300 µm, irregular) at 110 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~300 µm, irregular) at 120 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~300 µm, irregular) at 130 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~300 µm, irregular) at 140 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~300 µm, irregular) at 150 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~300 µm, irregular) at 220 K (after heating from 150 to 220 K)

Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~680 µm, irregular) at 70 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~680 µm, irregular) at 85 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~680 µm, irregular) at 100 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~680 µm, irregular) at 110 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~680 µm, irregular) at 120 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~680 µm, irregular) at 130 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~680 µm, irregular) at 140 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~680 µm, irregular) at 150 K

Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~1060 µm, irregular) at 70 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~1060 µm, irregular) at 85 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~1060 µm, irregular) at 100 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~1060 µm, irregular) at 110 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~1060 µm, irregular) at 120 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~1060 µm, irregular) at 130 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~1060 µm, irregular) at 140 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~1060 µm, irregular) at 150 K

Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~1360 µm, irregular) at 70 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~1360 µm, irregular) at 85 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~1360 µm, irregular) at 100 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~1360 µm, irregular) at 110 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~1360 µm, irregular) at 120 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~1360 µm, irregular) at 130 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~1360 µm, irregular) at 140 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (~1360 µm, irregular) at 150 K

Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 77 wt% ~70 µm spherical and 23 wt% ~1060 µm irregular) at 70 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 77 wt% ~70 µm spherical and 23 wt% ~1060 µm irregular) at 85 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 77 wt% ~70 µm spherical and 23 wt% ~1060 µm irregular) at 100 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 77 wt% ~70 µm spherical and 23 wt% ~1060 µm irregular) at 110 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 77 wt% ~70 µm spherical and 23 wt% ~1060 µm irregular) at 120 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 77 wt% ~70 µm spherical and 23 wt% ~1060 µm irregular) at 130 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 77 wt% ~70 µm spherical and 23 wt% ~1060 µm irregular) at 140 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 77 wt% ~70 µm spherical and 23 wt% ~1060 µm irregular) at 150 K

Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 52 wt% ~70 µm spherical and 48 wt% ~1060 µm irregular) at 70 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 52 wt% ~70 µm spherical and 48 wt% ~1060 µm irregular) at 85 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 52 wt% ~70 µm spherical and 48 wt% ~1060 µm irregular) at 100 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 52 wt% ~70 µm spherical and 48 wt% ~1060 µm irregular) at 110 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 52 wt% ~70 µm spherical and 48 wt% ~1060 µm irregular) at 120 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 52 wt% ~70 µm spherical and 48 wt% ~1060 µm irregular) at 130 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 52 wt% ~70 µm spherical and 48 wt% ~1060 µm irregular) at 140 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 52 wt% ~70 µm spherical and 48 wt% ~1060 µm irregular) at 150 K

Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 27 wt% ~70 µm spherical and 73 wt% ~1060 µm irregular) at 70 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 27 wt% ~70 µm spherical and 73 wt% ~1060 µm irregular) at 85 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 27 wt% ~70 µm spherical and 73 wt% ~1060 µm irregular) at 100 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 27 wt% ~70 µm spherical and 73 wt% ~1060 µm irregular) at 110 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 27 wt% ~70 µm spherical and 73 wt% ~1060 µm irregular) at 120 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 27 wt% ~70 µm spherical and 73 wt% ~1060 µm irregular) at 130 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 27 wt% ~70 µm spherical and 73 wt% ~1060 µm irregular) at 140 K Spectrum Vis-NIR reflectance spectrum of H2O ice grains (mixture of grains 27 wt% ~70 µm spherical and 73 wt% ~1060 µm irregular) at 150 K