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=3.1 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=4.0 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=4.9 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=5.8 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=6.7 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=7.6 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=8.5 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=9.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=10.7 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=13.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=14.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=15.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=16.3 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=19.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=20.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=21.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=23.0 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=26.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=27.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=28.6 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=32.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=34.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=37.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=39.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=41.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=44.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=46.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=49.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=51.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=54.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of pure spherical H2O ice particles (SPIPA-B type, 67 µm average diameter) (t=70.1 hours)

Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (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 10 wt.% MgSO4) (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 10 wt.% MgSO4) (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 10 wt.% MgSO4) (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 10 wt.% MgSO4) (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 10 wt.% MgSO4) (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 10 wt.% MgSO4) (t=3.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (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 10 wt.% MgSO4) (t=4.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (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 10 wt.% MgSO4) (t=4.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (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 10 wt.% MgSO4) (t=5.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (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 10 wt.% MgSO4) (t=6.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (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 10 wt.% MgSO4) (t=7.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (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 10 wt.% MgSO4) (t=8.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (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 10 wt.% MgSO4) (t=9.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (t=10.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (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 10 wt.% MgSO4) (t=13.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (t=14.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (t=15.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (t=16.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (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 10 wt.% MgSO4) (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 10 wt.% MgSO4) (t=19.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (t=20.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (t=21.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (t=23.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (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 10 wt.% MgSO4) (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 10 wt.% MgSO4) (t=26.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (t=27.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (t=28.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (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 10 wt.% MgSO4) (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 10 wt.% MgSO4) (t=32.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (t=34.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (t=37.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (t=39.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (t=41.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (t=44.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (t=46.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (t=49.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (t=51.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (t=54.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 10 wt.% MgSO4) (t=70.1 hours)

Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (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 20 wt.% MgSO4) (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 20 wt.% MgSO4) (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 20 wt.% MgSO4) (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 20 wt.% MgSO4) (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 20 wt.% MgSO4) (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 20 wt.% MgSO4) (t=3.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (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 20 wt.% MgSO4) (t=4.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (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 20 wt.% MgSO4) (t=4.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (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 20 wt.% MgSO4) (t=5.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (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 20 wt.% MgSO4) (t=6.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (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 20 wt.% MgSO4) (t=7.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (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 20 wt.% MgSO4) (t=8.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (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 20 wt.% MgSO4) (t=9.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (t=10.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (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 20 wt.% MgSO4) (t=13.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (t=14.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (t=15.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (t=16.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (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 20 wt.% MgSO4) (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 20 wt.% MgSO4) (t=19.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (t=20.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (t=21.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (t=23.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (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 20 wt.% MgSO4) (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 20 wt.% MgSO4) (t=26.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (t=27.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (t=28.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (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 20 wt.% MgSO4) (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 20 wt.% MgSO4) (t=32.1 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (t=34.6 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (t=37.0 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (t=39.5 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (t=41.9 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (t=44.4 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (t=46.8 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (t=49.3 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (t=51.7 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (t=54.2 hours) Spectrum VIS-NIR reflectance spectrum collected during sublimation of spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 20 wt.% MgSO4) (t=70.1 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.% MgSO4) (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.% MgSO4) (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.% MgSO4) (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.% MgSO4) (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.% MgSO4) (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.% MgSO4) (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.% MgSO4) (t=3.1 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.% MgSO4) (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.% MgSO4) (t=4.0 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.% MgSO4) (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.% MgSO4) (t=4.9 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.% MgSO4) (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.% MgSO4) (t=5.8 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.% MgSO4) (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.% MgSO4) (t=6.7 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.% MgSO4) (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.% MgSO4) (t=7.6 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.% MgSO4) (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.% MgSO4) (t=8.5 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.% MgSO4) (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.% MgSO4) (t=9.6 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.% MgSO4) (t=10.7 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.% MgSO4) (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.% MgSO4) (t=13.0 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.% MgSO4) (t=14.1 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.% MgSO4) (t=15.2 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.% MgSO4) (t=16.3 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.% MgSO4) (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.% MgSO4) (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.% MgSO4) (t=19.7 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.% MgSO4) (t=20.8 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.% MgSO4) (t=21.9 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.% MgSO4) (t=23.0 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.% MgSO4) (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.% MgSO4) (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.% MgSO4) (t=26.4 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.% MgSO4) (t=27.5 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.% MgSO4) (t=28.6 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.% MgSO4) (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.% MgSO4) (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.% MgSO4) (t=32.1 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.% MgSO4) (t=34.6 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.% MgSO4) (t=37.0 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.% MgSO4) (t=39.5 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.% MgSO4) (t=41.9 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.% MgSO4) (t=44.4 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.% MgSO4) (t=46.8 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.% MgSO4) (t=49.3 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.% MgSO4) (t=51.7 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.% MgSO4) (t=54.2 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.% MgSO4) (t=70.1 hours)