Experiment
Title
Visible near infrared spectra of salt crusts in Andean Salars, Chile
Data reference
Flahaut, Jessica; Martinot, Mélissa (2015): Visible near infrared spectra of salt crusts in Andean Salars, Chile. SSHADE/Mirabelle (OSUG Data Center). Dataset/Spectral Data.
Publications
Type(s)
field measurement
Description
Visible near infrared spectra of sulfates and chlorides salt crusts in Andean Salars, Chile
Number of spectra
18
Variable type(s)
  • sample composition

Geolocation #1

Body name
Earth
Place
Andean Salars, Atacama desert , Chile , Chile
Coordinates
System
WGS84
Position type
box
Coordinates
Point Latitude Longitude Altitude
#1 -24.0° 291.2°
#2 -23.0° 292.7°
Instrument
ASD Fieldspec4 – biconical reflection Visible to near-infrared
Standard medium
unknown
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
#1 414.9999999999995 - 999.9999999999999 1.0 3.0 0.5
#2 1000.9999999999998 - 2499.9999999999995 1.0 10.0 0.5
Comments
Measurements were made between 350nm and 2500nm with a spectral sampling of 1.4 nm @ 350-1 000 nm and 1.1 nm @ 1 001-2 500 nm. data were then automatically interpolated and resampled with a 1nm interval during export by the fieldspec software
Observation geometry
bidirectional
Observation mode
fixed angles
Resolution illumination
0.5°
Resolution observation
25.0°
Comments
variable illumination and observation angles (not measured) depending of the time in the day (outdoor measurements)
Observation mode
single spot
Date begin - end
2015-02-26 - 2015-03-08

Versions

Release date
2021-06-07 11:20:35 UTC+0000
Version (Date)
#1 (2020-11-05 09:04:23 UTC+0000, Updated: 2021-06-07 11:20:35 UTC+0000)
Sponsors
  • None (ASDinc) (Goetz instrument support program)
  • Netherlands Organization for Scientific Research (NWO) (VENI innovational research grant)