Vis-NIR spectrum of sublimating water ice + MgSO4 at 168.3 K (t=18.0 hours)
- Title
- Vis-NIR spectrum of sublimating water ice + MgSO4 at 168.3 K (t=18.0 hours)
- DOI
- 10.26302/SSHADE/EXPERIMENT_RO_20240405_000
- Data reference
- Ottersberg, Rafael (2024): VIS-NIR reflectance spectra collected during low-temperature and near-vacuum sublimation of spherical salty ice particles (67 µm average diameter) produced by freezing droplets of a solution of 5wt.% MgSO4. SSHADE/BYPASS (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_RO_20240405_000
- Publications
- Database
- Experimentalists
- Experiment type
- laboratory measurement
- Type
- reflectance factor
- Instrument
- MoHIS - Hyperspectral imaging system Vis-NIR
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- Vis, NIR
- Valid spectral range(s)
-
Min - Max (nm) Sampling (nm) Resolution (nm) Position accuracy (nm) Absorption edge #1 400.0 - 2000.0 5.0 5.4 #2 2000.0 - 2400.0 5.0 10.8
Definition: incidence and emergence angles are positive with origin at nadir, and vary in same direction. Azimuth origin (increasing clockwise) is for i = e (opposition geometry).
- Observation geometry
- biconical
- Observation mode
- fixed angles
- Incidence angle
- 0.0°
- Emergence angle
- 5.0°
- Azimuth angle
- 0.0°
- Phase angle
- 5.0°
- Observation mode
- roi averaged
- Name
- Spherical particles of salty H2O ice (SPIPA-B type, 67 µm average diameter, with 5 wt.% MgSO4)
- Changes
- Sublimation of the water ice and accumulation of salt at the surface.
- Experiment
- VIS-NIR reflectance spectra collected during low-temperature and near-vacuum sublimation of spherical salty ice particles (67 µm average diameter) produced by freezing droplets of a solution of 5wt.% MgSO4
- Date begin
- 2024-04-06 09:02:49
- Date end
- 2024-04-06 09:18:11
- Release date
- 2025-04-17 15:45:03+0000 UTC
- Version (Date)
- #1 (2025-04-17 15:45:03+0000 UTC, Updated: 2025-04-17 15:45:03+0000 UTC)
- History
-
Date Mode Version Status Comments 2025-04-16 17:17:16+0000 UTC first import #1 valid version
- Analysis
- Relative calibration to reflectance factor: division of the raw spectrum by the spectrum of a Spectralon plate recorded in the same conditions at a different time. The spectrum is obtained by averaging all pixels within the outlined Regions Of Interest.
- Quality flag
- 5
- Validator(s)