Assessment of MODIS reflective solar bands calibration stability

X. Xiong; A. Angal; D. Link; A. Wu

doi:10.1117/12.2277988

11 October 2017 Assessment of MODIS reflective solar bands calibration stability

X. Xiong, A. Angal, D. Link, A. Wu

Proceedings Volume 10423, Sensors, Systems, and Next-Generation Satellites XXI; 1042318 (2017) https://doi.org/10.1117/12.2277988
Event: SPIE Remote Sensing, 2017, Warsaw, Poland

Abstract

Terra and Aqua MODIS instruments have continued to operate normally since their launch in December 1999 and May 2002. MODIS reflective solar bands (RSB) with wavelengths ranging from 0.41 to 2.3 μm are calibrated on-orbit by an on-board solar diffuser (SD) and a solar diffuser stability monitor (SDSM). In addition, a spectroradiometric calibration assembly (SRCA) is used regularly to characterize and track on-orbit changes in RSB spectral, spatial, and radiometric performance. On a near-monthly basis, lunar observations are scheduled and performed to support sensor on-orbit calibration and characterization, such as radiometric calibration stability monitoring for the RSB. This paper provides a brief review of MODIS design requirements related to its RSB calibration performance and an assessment of MODIS RSB on-orbit calibration stability on both the short- and long-term timescales. Examples from different approaches are presented to demonstrate on-orbit performance of MODIS RSB calibration stability.

Citation Download Citation

X. Xiong, A. Angal, D. Link, and A. Wu "Assessment of MODIS reflective solar bands calibration stability", Proc. SPIE 10423, Sensors, Systems, and Next-Generation Satellites XXI, 1042318 (11 October 2017); https://doi.org/10.1117/12.2277988

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