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Proceedings Paper

A new approach for spectroradiometric calibration consistency on the ground and in space
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Paper Abstract

A Space-based Calibration Transfer Spectroradiometer (SCATS) is combined with a ground calibration spectral albedo radiometric standard which consists of an opaque quartz glass Mie scattering diffuser (MSD) which has very good Lambertian scattering properties in both reflectance and transmittance modes. This system provides the capability for determining long term changes in the spectral albedo calibrations which operate in the solar reflective wavelength region. The spectral albedo calibration would be traceable to the SIRCUS and STARR NIST calibration facilities. The on-orbit radiometric standard is the Sun. The NIST traceable ground spectral albedo calibration is invariant between the ground and on-orbit over the instrument lifetime due to the use of a field of view defining mechanical baffle to differentiate between radiance and irradiance.

Paper Details

Date Published: 9 November 2012
PDF: 13 pages
Proc. SPIE 8528, Earth Observing Missions and Sensors: Development, Implementation, and Characterization II, 85280R (9 November 2012); doi: 10.1117/12.977252
Show Author Affiliations
Donald F. Heath, Heath Earth/Space Spectroradiometric Calibration Consulting, LLC. (United States)
Georgi Georgiev, Sigma Space Corp. (United States)

Published in SPIE Proceedings Vol. 8528:
Earth Observing Missions and Sensors: Development, Implementation, and Characterization II
Haruhisa Shimoda; Xiaoxiong Xiong; Changyong Cao; Xingfa Gu; Choen Kim; A. S. Kiran Kumar, Editor(s)

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