Vis-NIR BRDF spectra (i=20°, e=0-65°, a=0-180°) of sintered snow - Arselle at -10°C
- Title
- Vis-NIR BRDF spectra (i=20°, e=0-65°, a=0-180°) of sintered snow - Arselle at -10°C
- DOI
- 10.26302/SSHADE/EXPERIMENT_BS_20160831_000
- Data reference
- Brissaud, Olivier; Schmitt, Bernard; Douté, Sylvain (2009): Vis-NIR spectral bidirectional reflection distribution fonction (SBRDF) of sintered snow (Arselle) and slab ice (3 thicknesses: 1.42, 7.45 and 12.5 mm) on snow at -10°C. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_BS_20160831_000
- Publications
- Database
- Experimentalists
- Experiment type
- laboratory measurement
- Type
- reflectance factor
- Comments
- the spectrum at e=30°; az=0° has only the visible range (0.60-1.02µm)
- Instrument
- SHINE Spectro-Gonio bidirectional reflection Vis-NIR
- Sample holder
- stainless-steel cylinder in cold chamber
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- Vis, NIR
- Valid spectral range(s)
-
Min - Max (${\mu}m$) Sampling (${\mu}m$) Resolution (${\mu}m$) Position accuracy (${\mu}m$) Absorption edge #1 0.6 - 0.66 0.02 0.0047 0.001 #2 0.68 - 1.38 0.02 0.0095 0.002 #3 1.4 - 1.98 0.02 0.019 0.004 - Scan number
- 10
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
- bidirectional
- Observation mode
- tri-angular function
- Resolution illumination
- 0.1°
- Resolution observation
- 4.1°
Illumination
Observation
- Comments
- partial polarization variable with wavelength (from gratings)
- Observation mode
- single spot
- Resolutions
- 20.0 ${\pm}$ 0.1 $mm$
- Comments
- spatial resolution over x vary as 1/cos(obs angle)
- Number of geometries
- 30
| Incidence | Emergence | Azimuth | Phase |
|---|---|---|---|
| 20.0° | 30.0° | 0.0° | 10.0° |
| 20.0° | 40.0° | 0.0° | 20.0° |
| 20.0° | 50.0° | 0.0° | 30.0° |
| 20.0° | 65.0° | 0.0° | 45.0° |
| 20.0° | 20.0° | 45.0° | 15.04° |
| 20.0° | 30.0° | 45.0° | 20.82° |
| 20.0° | 40.0° | 45.0° | 28.92° |
| 20.0° | 50.0° | 45.0° | 37.88° |
| 20.0° | 65.0° | 45.0° | 51.95° |
| 20.0° | 20.0° | 90.0° | 27.99° |
| 20.0° | 30.0° | 90.0° | 35.53° |
| 20.0° | 40.0° | 90.0° | 43.96° |
| 20.0° | 50.0° | 90.0° | 52.84° |
| 20.0° | 65.0° | 90.0° | 66.6° |
| 20.0° | 20.0° | 140.0° | 37.49° |
| 20.0° | 30.0° | 140.0° | 46.94° |
| 20.0° | 40.0° | 140.0° | 56.53° |
| 20.0° | 50.0° | 140.0° | 66.21° |
| 20.0° | 65.0° | 140.0° | 80.81° |
| 20.0° | 20.0° | 160.0° | 39.37° |
| 20.0° | 30.0° | 160.0° | 49.22° |
| 20.0° | 40.0° | 160.0° | 59.12° |
| 20.0° | 50.0° | 160.0° | 69.03° |
| 20.0° | 65.0° | 160.0° | 83.92° |
| 20.0° | 0.0° | 180.0° | 20.0° |
| 20.0° | 20.0° | 180.0° | 40.0° |
| 20.0° | 30.0° | 180.0° | 50.0° |
| 20.0° | 40.0° | 180.0° | 60.0° |
| 20.0° | 50.0° | 180.0° | 70.0° |
| 20.0° | 65.0° | 180.0° | 85.0° |
- Name
- Snow - Arcelle
- Experiment
- Vis-NIR spectral bidirectional reflection distribution fonction (SBRDF) of sintered snow (Arselle) and slab ice (3 thicknesses: 1.42, 7.45 and 12.5 mm) on snow at -10°C
- Date begin
- 2009-01-14
- Date end
- 2009-01-14
- Release date
- 2020-03-17 11:55:30 UTC+0000
- Version (Date)
- #1 (2020-03-17 11:55:30 UTC+0000, Updated: 2020-03-18 14:21:56 UTC+0000)
- History
-
Date Mode Version Status Comments 2020-03-17 07:30:22 UTC+0000 first import #1 valid version
- Analysis
- raw bidirectional reflectance spectrum calibrated with Spectralon 99% under same geometry and with its absolute BRDF
- Quality flag
- 4
- Validator(s)