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
- Database
- Experimentalists
- Date
- 2019-03-19
Water ice particles (~300 µm diameter, spherical) observed with an optical microscope.
- Thickness
- 10.0 $mm$
- Diameter
- 48.0 $mm$
- Surface roughness
- granular
- Substrate material
- aluminum sample holder covered with a black aluminum tape
- Comments
- Fresh sample prepared just before the measurement.
- Temperature
- 110.0 $\pm$ 10.0 $K$
- Comments
- The sample was formed at liquid nitrogen temperature (77 K). During the measurement, the sample temperature was controlled by a thermostat in the CarboNIR chamber.
- Type
- vacuum
- Fluid pressure
- 10.0 $\pm$ 5.0 $mbar$
- Pressure
- 10.0 $\pm$ 5.0 $mbar$
- Number
- 1
- Layers
-
- Layer #1 , 10.0 $mm$