simulated NIR bidirectional reflection spectra (i=0-70°/e=0-70°/az=180°) of Na-Montmorillonite SWy-1 (20 µm grains) at 293K
- Title
- simulated NIR bidirectional reflection spectra (i=0-70°/e=0-70°/az=180°) of Na-Montmorillonite SWy-1 (20 µm grains) at 293K
- DOI
- 10.26302/SSHADE/EXPERIMENT_BS_20121218_001
- Data reference
- Pommerol, Antoine; Schmitt, Bernard (2007): simulated NIR bidirectional reflection spectra (i=0-70°/e=0-70°/az=180°) of Na-Montmorillonite SWy-1 (20 µm grains) at 293K. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_BS_20121218_001
- Publications
- Database
- Experimentalists
- Experiment type
- numerical modeling
- Type
- reflectance factor
- Model parameters
- Spectrimag surface reflectance model (1998). Optical constants from Roush (2005), mean macroscopic roughness $\theta = 0$, simple Henyey-Greenstein phase function $g = 0.4$, no opposition peak
- Instrument
- Spectrimag - bidirectional reflection UV-NIR
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- NIR
- Valid spectral range(s)
-
Min - Max (${\mu}m$) Sampling (${\mu}m$) Resolution (${\mu}m$) Position accuracy (${\mu}m$) Absorption edge #1 1.0 - 4.18 0.02 0.024 0.005
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
- two variable angles
- Observation mode
- single spot
- Comments
- infinitely thick and wide simulated sample
- Number of geometries
- 40
Incidence | Emergence | Azimuth | Phase |
---|---|---|---|
0.0° | 0.0° | 180.0° | 0.0° |
0.0° | 10.0° | 180.0° | 10.0° |
0.0° | 20.0° | 180.0° | 20.0° |
0.0° | 30.0° | 180.0° | 30.0° |
0.0° | 40.0° | 180.0° | 40.0° |
0.0° | 50.0° | 180.0° | 50.0° |
0.0° | 60.0° | 180.0° | 60.0° |
0.0° | 70.0° | 180.0° | 70.0° |
20.0° | 0.0° | 180.0° | 20.0° |
20.0° | 10.0° | 180.0° | 30.0° |
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° | 60.0° | 180.0° | 80.0° |
20.0° | 70.0° | 180.0° | 90.0° |
40.0° | 0.0° | 180.0° | 40.0° |
40.0° | 10.0° | 180.0° | 50.0° |
40.0° | 20.0° | 180.0° | 60.0° |
40.0° | 30.0° | 180.0° | 70.0° |
40.0° | 40.0° | 180.0° | 80.0° |
40.0° | 50.0° | 180.0° | 90.0° |
40.0° | 60.0° | 180.0° | 100.0° |
40.0° | 70.0° | 180.0° | 110.0° |
60.0° | 0.0° | 180.0° | 60.0° |
60.0° | 10.0° | 180.0° | 70.0° |
60.0° | 20.0° | 180.0° | 80.0° |
60.0° | 30.0° | 180.0° | 90.0° |
60.0° | 40.0° | 180.0° | 100.0° |
60.0° | 50.0° | 180.0° | 110.0° |
60.0° | 60.0° | 180.0° | 120.0° |
60.0° | 70.0° | 180.0° | 130.0° |
70.0° | 0.0° | 180.0° | 70.0° |
70.0° | 10.0° | 180.0° | 80.0° |
70.0° | 20.0° | 180.0° | 90.0° |
70.0° | 30.0° | 180.0° | 100.0° |
70.0° | 40.0° | 180.0° | 110.0° |
70.0° | 50.0° | 180.0° | 120.0° |
70.0° | 60.0° | 180.0° | 130.0° |
70.0° | 70.0° | 180.0° | 140.0° |
- Experiment
- simulated NIR bidirectional reflection spectra (i=0-70°/e=0-70°/az=180°) of Na-Montmorillonite SWy-1 (20 µm grains) at 293K
- Date begin
- 2007-01-01
- Release date
- 2018-02-27 11:43:15 UTC+0000
- Version (Date)
- #1 (2018-02-27 11:43:15 UTC+0000, Updated: 2020-01-03 19:48:18 UTC+0000)
- History
-
Date Mode Version Status Comments 2017-07-04 10:13:32 UTC+0000 first import #1 valid version 2012-12-17: new bidirectional reflectance spectrum (NIR) of Na-Montmorillonite SWy-1, 20 µm grains
- Analysis
- simulation with SWy-1 optical constant from Roush 2005 and a simple Henyey-Greenstein function (g=0.4)
- Quality flag
- 4
- Validator(s)