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Federal
Spectral reflectance measurements of standard reference materials in laboratory setting using an Analytical Spectral Devices (ASD) FieldSpec® 4 Hi-Res and Ocean Optics OCEAN-HDX-VIS-NIR® (HDX), suitable for comparison to other spectroradiometer measurements recent views
Department of the Interior —
Two spectroradiometers, a Malvern Panalytical Analytical Spectral Devices FieldSpec® 4 Hi-Res (hereafter referred to as ASD spectrometer) and a high sensitivity... -
Federal
Terrestrial Tephra Spectral Library for the Visible-Near-Infrared and Mid-Infrared Spectral Regions (ver. 1.1, April 2024) recent views
Department of the Interior —
Visible/near-infrared (VNIR) and mid-infrared (MIR) spectral library composed of twenty natural tephra samples from ten volcanic sources that span a range of...