JPSS-1 VIIRS version 2 at-launch relative spectral response characterization and performance

Chris Moeller; Tom Schwarting; Jeff McIntire; David I. Moyer; Jinan Zeng

doi:10.1117/12.2238050

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19 September 2016 JPSS-1 VIIRS version 2 at-launch relative spectral response characterization and performance

Chris Moeller, Tom Schwarting, Jeff McIntire, David I. Moyer, Jinan Zeng

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Proceedings Volume 9972, Earth Observing Systems XXI; 997203 (2016) https://doi.org/10.1117/12.2238050
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

Abstract

The relative spectral response (RSR) characterization of the JPSS-1 VIIRS spectral bands has achieved “at launch” status in the VIIRS Data Analysis Working Group February 2016 Version 2 RSR release. The Version 2 release improves upon the June 2015 Version 1 release by including December 2014 NIST TSIRCUS spectral measurements of VIIRS VisNIR bands in the analysis plus correcting CO2 influence on the band M13 RSR. The T-SIRCUS based characterization is merged with the summer 2014 SpMA based characterization of VisNIR bands (Version 1 release) to yield a “fused” RSR for these bands, combining the strengths of the T-SIRCUS and the SpMA measurement systems. The M13 RSR is updated by applying a model-based correction to mitigate CO2 attenuation of the SpMA source signal that occurred during M13 spectral measurements. The Version 2 release carries forward the Version 1 RSR for those bands that were not updated (M8-M12, M14-M16A/B, I3-I5, DNBMGS). The Version 2 release includes band average (over all detectors and subsamples) RSR plus supporting RSR for each detector and subsample. The at-launch band average RSR have been used to populate Look-Up Tables supporting the sensor data record and environmental data record at-launch science products. Spectral performance metrics show that JPSS-1 VIIRS RSR are compliant on specifications with a few minor exceptions. The Version 2 release, which replaces the Version 1 release, is currently available on the password-protected NASA JPSS-1 eRooms under EAR99 control.

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Chris Moeller, Tom Schwarting, Jeff McIntire, David I. Moyer, and Jinan Zeng "JPSS-1 VIIRS version 2 at-launch relative spectral response characterization and performance", Proc. SPIE 9972, Earth Observing Systems XXI, 997203 (19 September 2016); https://doi.org/10.1117/12.2238050

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