Vis-NIR reflectance spectrum (i = 0°, e = 30°) of powdered goethite
- Title
- Vis-NIR reflectance spectrum (i = 0°, e = 30°) of powdered goethite
- DOI
- 10.26302/SSHADE/EXPERIMENT_OP_20250122_001
- Data reference
- Valantinas, Adomas; Ottersberg, Rafael; Pommerol, Antoine (2023): Vis-NIR reflectance spectra of several powdered iron oxides. SSHADE/BYPASS (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_OP_20250122_001
- Publications
- Database
- Experimentalists
- Experiment type
- laboratory measurement
- Type
- reflectance factor
- Intensity unit
- no unit
- Instrument
- MoHIS - Hyperspectral imaging system Vis-NIR
- Sample holder
- aluminum sample holder
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- Vis, NIR
- Valid spectral range(s)
-
Min - Max (nm) Sampling (nm) Resolution (nm) Position accuracy (nm) Absorption edge #1 395.0 - 1920.0 5.0 6.5 #2 1680.84 - 2166.9 6.5
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
- biconical
- Observation mode
- fixed angles
- Incidence angle
- 0.0°
- Emergence angle
- 5.0°
- Observation mode
- roi averaged
- Experiment
- Vis-NIR reflectance spectra of several powdered iron oxides
- Date begin
- 2023-03-01
- Release date
- 2025-01-22 18:39:30+0000 UTC
- Version (Date)
- #1 (2025-01-22 18:39:30+0000 UTC, Updated: 2025-01-22 18:39:30+0000 UTC)
- History
-
Date Mode Version Status Comments 2025-01-22 18:34:22+0000 UTC first import #1 valid version
- Analysis
- Relative calibration to reflectance factor: division of the raw spectrum by the spectrum of a Spectralon plate recorded in the same conditions at a different time. The spectrum is obtained by averaging all pixels within the outlined Regions Of Interest.
- Quality flag
- 3