Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=0.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=1.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=1.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=2.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=2.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=3.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=4.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=4.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=5.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=5.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=6.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=7.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=7.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=8.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=8.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=9.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=10.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=10.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=11.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=12.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=12.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=13.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=13.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=14.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=15.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=15.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=16.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=16.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=17.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=18.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=18.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=19.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=21.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=23.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=25.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=27.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=29.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=32.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=34.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=36.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=38.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=40.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=42.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=44.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a pure H2O ice slab (t=46.7 hours)

Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=0.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=1.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=1.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=2.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=2.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=3.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=4.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=4.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=5.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=5.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=6.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=7.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=7.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=8.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=8.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=9.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=10.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=10.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=11.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=12.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=12.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=13.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=13.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=14.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=15.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=15.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=16.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=16.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=17.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=18.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=18.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=19.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=21.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=23.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=25.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=27.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=29.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=32.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=34.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=36.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=38.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=40.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=42.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=44.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (10 wt.% Nacl) (t=46.7 hours)

Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=0.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=1.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=1.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=2.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=2.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=3.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=4.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=4.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=5.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=5.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=6.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=7.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=7.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=8.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=8.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=9.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=10.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=10.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=11.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=12.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=12.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=13.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=13.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=14.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=15.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=15.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=16.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=16.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=17.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=18.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=18.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=19.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=21.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=23.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=25.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=27.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=29.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=32.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=34.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=36.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=38.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=40.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=42.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=44.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of a salty H2O ice slab (30 wt.% Nacl) (t=46.7 hours)