Long-term band-to-band calibration stability of MODIS thermal emissive bands

B. N. Wenny; X. Xiong; S. Madhavan; A. Wu; Y. Li

doi:10.1117/12.2016659

3 June 2013 Long-term band-to-band calibration stability of MODIS thermal emissive bands

B. N. Wenny, X. Xiong, S. Madhavan, A. Wu, Y. Li

Proceedings Volume 8724, Ocean Sensing and Monitoring V; 872412 (2013) https://doi.org/10.1117/12.2016659
Event: SPIE Defense, Security, and Sensing, 2013, Baltimore, Maryland, United States

Abstract

The Terra and Aqua MODIS instruments have operated continuously for over 12 and 10 years respectively and are key contributors to the NASA Earth Observing System mission. The calibration for the 16 thermal emissive bands (TEB) is maintained on-orbit through scan-by-scan observations of a temperature controlled blackbody and deep space. Recently a potential calibration issue with Terra Band 29 (8.55 μm) was identified resulting in a possible long-term drift in Band 29 detector response. The long-term performance of Band 31 (11 μm) is considered stable and is used as a reference to track the relative stability of other TEB. Multiple observations of different Earth targets with a range of scene temperatures as a function of time are analyzed to assess MODIS TEB band-to-band calibration stability for Band 29.

Citation Download Citation

B. N. Wenny, X. Xiong, S. Madhavan, A. Wu, and Y. Li "Long-term band-to-band calibration stability of MODIS thermal emissive bands", Proc. SPIE 8724, Ocean Sensing and Monitoring V, 872412 (3 June 2013); https://doi.org/10.1117/12.2016659

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