Spectrum

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
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
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)