Spectrum

Multiangular reflectance of glass basalt Ysson in 5 Vis bands (125-250 µm grain size)

Title
Multiangular reflectance of glass basalt Ysson in 5 Vis bands (125-250 µm grain size)
Data reference
Daydou, Yves (2010): Multiangular reflectance of Glass basalt Ysson in 5 visible spectral bands for 6 different grain sizes. SSHADE/PaSSTEL (OSUG Data Center). Dataset/Spectral Data.
Publications
Database
Experimentalists
Experiment type
laboratory measurement
Type
reflectance factor
Intensity unit
no unit
Instrument
ISEP narrow-band filters imaging - bidirectional reflection Vis-NIR
Standard medium
air
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
#2 narrow bandpass 0.699
#3 narrow bandpass 0.791
#4 narrow bandpass 0.88
#5 narrow bandpass 0.96
Comments
5 filters from 0.559 to 0.960 µm
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
Incidence Emergence Azimuth Phase
10.0° 35.0° 0.0° 25.0°
30.0° 0.0° 0.0° 30.0°
30.0° 60.0° 0.0° 30.0°
50.0° 0.0° 0.0° 50.0°
50.0° 25.0° 0.0° 25.0°
30.0° 30.0° 135.0° 55.0247°
30.0° 60.0° 135.0° 82.7138°
50.0° 30.0° 135.0° 73.3914°
50.0° 60.0° 135.0° 98.4943°
55.0° 65.0° 135.0° 106.413°
60.0° 60.0° 135.0° 106.28°
10.0° 35.0° 180.0° 45.0°
30.0° 20.0° 180.0° 50.0°
30.0° 40.0° 180.0° 70.0°
30.0° 60.0° 180.0° 90.0°
50.0° 70.0° 180.0° 120.0°
60.0° 70.0° 180.0° 130.0°
45.0° 55.0° 270.0° 66.0725°
30.0° 60.0° 315.0° 42.3368°
50.0° 30.0° 315.0° 34.1564°
50.0° 60.0° 315.0° 37.7679°
55.0° 65.0° 315.0° 39.8824°
60.0° 60.0° 315.0° 38.7092°
Experiment
Multiangular reflectance of Glass basalt Ysson in 5 visible spectral bands for 6 different grain sizes
Date begin
2010-02-16
Date end
2010-02-23
Release date
2019-09-12 14:04:24 UTC+0000
Version (Date)
#1 (2019-09-11 15:33:09 UTC+0000, Updated: 2020-01-26 14:48:36 UTC+0000)
History
Date Mode Version Status Comments
2019-09-11 15:33:09 UTC+0000 first import #1 valid version
Analysis
Reflectances are median values over an extended area in order to minimize specular effects on individual grains
Quality flag
3