- Title
- Multiangular reflectance of Hawaii basaltic sand in 5 visible spectral bands for 6 different grain sizes
- DOI
- 10.26302/SSHADE/EXPERIMENT_YD_20220407_010
- Data reference
- Daydou, Yves (2007): Multiangular reflectance of Hawaii basaltic sand in 5 visible spectral bands for 6 different grain sizes. SSHADE/PaSSTEL (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_YD_20220407_010
- Publications
- Database(s)
- Experimentalists
- Type(s)
- laboratory measurement
- Description
- Multiangular reflectance (23 angular configurations) in 5 visible spectral bands (0.56, 0.70, 0.79, 0.88, 0.96 µm) and for 6 different grain size ranges C1 to C6 (45-75, 75-125, 125-250, 250-500, 500-1000, 1000-2000 µm)
- Number of spectra
- 6
- Variable type(s)
-
- illumination-observation geometry
- sample grain size
- Standard medium
- vacuum
- Observation mode
- multi wavelengths
- Spectral range type(s)
- Vis
- Valid spectral range(s)
-
Min - Max (${\mu}m$) Sampling (${\mu}m$) Resolution (${\mu}m$) Position accuracy (${\mu}m$) Absorption edge #1 0.45 - 1.05 - Filters
-
Type Center/Edge (${\mu}m$) Width (${\mu}m$) Place #1 narrow bandpass 0.559 0.01 #2 narrow bandpass 0.699 0.01 #3 narrow bandpass 0.791 0.01 #4 narrow bandpass 0.88 0.01 #5 narrow bandpass 0.96 0.01 - Comments
- 5 filters from 0.559 to 0.960 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
- Comments
- incidence 10 to 60°, emergence 0 to 70°, azimuth 0, 135, 180, 270, 315°, phase 25 to 130°
- Observation mode
- roi averaged
- Date begin - end
- 2007-03-30 - 2009-09-30
Versions
- Release date
- 2022-05-17 13:32:19 UTC+0000
- Version (Date)
- #1 (2022-05-17 13:32:19 UTC+0000, Updated: 2022-05-17 13:32:19 UTC+0000)