Water ice particles ( 70 µm, spherical) (Layer #1) | CSS | SSHADE

Experiment Vis-NIR reflectance spectra of H2O ice with varying grain sizes (70-1060µm), shapes (spherical or irregular) and three mixtures, from 70 to 220 K

Sub-Experiment ~70 µm spherical grains

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

Sub-Experiment ~300 µm spherical grains

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

Sub-Experiment ~300 µm irregular grains

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)

Sub-Experiment ~680 µm irregular grains

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

Sub-Experiment ~1060 µm irregular grains

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

Sub-Experiment ~1360 µm irregular grains

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

Sub-Experiment Mixture of grains 77 wt% ~70 µm and 23 wt% ~1060 µm

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

Sub-Experiment Mixture of grains 52 wt% ~70 µm and 48 wt% ~1060 µm

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

Sub-Experiment Mixture of grains 27 wt% ~70 µm and 73 wt% ~1060 µm

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

Layer

Name: Layer #1

Physical characteristics

Type of layer: granular
Thickness: 10.0 $mm$
Texture: loose granular
Type of porosity: particulate
Porosity: 0.49
Density: 0.5 $\pm$ 0.1 $g.cm^{-3}$

Formation conditions

Formation mode: manual deposition by sieving
Temperature: 77.0 $K$
Comments: The layer was produced using tools and containers pre-cooled with liquid nitrogen, in a freezer.

Materials in layer

Number

1

Arrangement

single material

Materials

	Name	Arrangement	Mass (g)	Mass fraction	Abundance comments
	Water ice spherical particles 67±31 μm			1.0