Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=0.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=0.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=1.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=1.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=2.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=2.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=3.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=3.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=4.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=4.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=5.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=5.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=5.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=6.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=6.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=7.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=7.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=8.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=8.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=9.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=10.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=11.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=12.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=14.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=15.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=16.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=17.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=18.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=19.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=20.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=21.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=22.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=24.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=25.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=26.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=27.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=28.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=29.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=30.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=31.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=35.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=36.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=38.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=40.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=41.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=43.3 hours)

Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=0.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=0.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=1.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=1.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=2.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=2.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=3.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=3.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=4.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=4.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=5.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=5.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=5.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=6.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=6.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=7.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=7.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=8.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=8.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=9.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=10.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=11.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=12.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=14.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=15.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=16.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=17.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=18.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=19.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=20.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=21.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=22.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=24.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=25.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=26.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=27.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=28.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=29.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=30.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=31.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=35.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=36.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=38.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=40.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=41.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 3 wt.% Na2SO4) (t=43.3 hours)

Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=0.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=0.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=1.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=1.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=2.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=2.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=3.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=3.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=4.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=4.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=5.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=5.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=5.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=6.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=6.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=7.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=7.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=8.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=8.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=9.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=10.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=11.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=12.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=14.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=15.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=16.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=17.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=18.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=19.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=20.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=21.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=22.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=24.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=25.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=26.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=27.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=28.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=29.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=30.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=31.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=35.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=36.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=38.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=40.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=41.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 15 wt.% Na2SO4) (t=43.3 hours)

Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=0.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=0.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=1.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=1.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=2.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=2.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=3.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=3.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=4.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=4.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=5.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=5.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=5.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=6.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=6.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=7.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=7.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=8.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=8.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=9.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=10.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=11.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=12.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=14.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=15.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=16.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=17.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=18.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=19.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=20.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=21.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=22.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=24.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=25.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=26.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=27.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=28.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=29.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=30.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=31.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=35.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=36.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=38.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=40.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=41.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 30 wt.% Na2SO4) (t=43.3 hours)