Vis-NIR bidirectional reflection spectra (i=0,30,60°, e=-70 to 70°, a=0°) of wet crusted Snow - Argentière (S2) at -10°C
- Title
- Vis-NIR bidirectional reflection spectra (i=0,30,60°, e=-70 to 70°, a=0°) of wet crusted Snow - Argentière (S2) at -10°C
A more recent version exists:
Version #2
[modified the angle values to the absolute angular system (all positive angles)]
- DOI
- 10.26302/SSHADE/EXPERIMENT_BS_20120925_011
- Data reference
- Dumont, Marie; Brissaud, Olivier; Schmitt, Bernard (2008): Vis-NIR bidirectional reflection spectra (i=0,30,60°, e=0,30,60,70°, az=0,180°) of wet crusted Snow - Argentière (S2) at -10°C. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_BS_20120925_011
- Publications
- Database
- Experimentalists
- Experiment type
- laboratory measurement
- Type
- reflectance factor
- Instrument
- SHINE Spectro-Gonio bidirectional reflection Vis-NIR
- Sample holder
- stainless-steel cylinder (D=30, h=12cm) (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 0.49 - 2.5 0.02 0.02 0.001 - Scan number
- 10
- Comments
- measured from 0.40 to 2.98 µm
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
- three variable angles
- Resolution illumination
- 0.1°
- Resolution observation
- 4.1°
Illumination
Observation
- Comments
- partial linear polarization, variable with wavelength (from monochromator gratings)
- Observation mode
- single spot
- Pixels number
- 1 x 1
- Comments
- spatial extent/resolution over y is 20 mm, an vary over x: 20/cos(e) mm
- Number of geometries
- 17
Incidence | Emergence | Azimuth | Phase |
---|---|---|---|
0.0° | -70.0° | 0.0° | 70.0° |
0.0° | -60.0° | 0.0° | 60.0° |
0.0° | -30.0° | 0.0° | 30.0° |
0.0° | 30.0° | 0.0° | 30.0° |
0.0° | 60.0° | 0.0° | 60.0° |
0.0° | 70.0° | 0.0° | 70.0° |
30.0° | -70.0° | 0.0° | 100.0° |
30.0° | -60.0° | 0.0° | 90.0° |
30.0° | -30.0° | 0.0° | 60.0° |
30.0° | 0.0° | 0.0° | 30.0° |
30.0° | 60.0° | 0.0° | 30.0° |
30.0° | 70.0° | 0.0° | 40.0° |
60.0° | -70.0° | 0.0° | 130.0° |
60.0° | -60.0° | 0.0° | 120.0° |
60.0° | -30.0° | 0.0° | 90.0° |
60.0° | 0.0° | 0.0° | 60.0° |
60.0° | 30.0° | 0.0° | 30.0° |
- Experiment
- Vis-NIR bidirectional reflection spectra (i=0,30,60°, e=0,30,60,70°, az=0,180°) of wet crusted Snow - Argentière (S2) at -10°C
- Date begin
- 2008-03-10 11:20:00
- Date end
- 2008-03-11 23:02:00
- Release date
- 2018-02-27 11:43:15 UTC+0000
- Version (Date)
- #1 (2018-02-27 11:43:15 UTC+0000, Updated: 2018-02-08 16:43:00 UTC+0000)
- History
-
Date Mode Version Status Comments 2017-11-17 17:16:56 UTC+0000 first import #1 obsolete version 2012-09-25: new snow bidirectional reflectance spectra (Vis-NIR)] 2019-12-04 10:18:39 UTC+0000 new version #2 valid version converted the negative 'e' to positive and rotated their 'az' by 180°)
- Analysis
- raw bidirectional reflectance spectrum calibrated with Spectralon 99% under same geometry and with its absolute BRDF
- Quality flag
- 4
- Validator(s)