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

Donald F. Heath; Georgi Georgiev

doi:10.1117/12.977252

9 November 2012 A new approach for spectroradiometric calibration consistency on the ground and in space

Donald F. Heath, Georgi Georgiev

Proceedings Volume 8528, Earth Observing Missions and Sensors: Development, Implementation, and Characterization II; 85280R (2012) https://doi.org/10.1117/12.977252
Event: SPIE Asia-Pacific Remote Sensing, 2012, Kyoto, Japan

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.

Citation Download Citation

Donald F. Heath and Georgi Georgiev "A new approach for spectroradiometric calibration consistency on the ground and in space", Proc. SPIE 8528, Earth Observing Missions and Sensors: Development, Implementation, and Characterization II, 85280R (9 November 2012); https://doi.org/10.1117/12.977252

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