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Article

S-NPP VIIRS Lunar Calibrations over 10 Years in Reflective Solar Bands (RSB)

1
Global Science & Technology (GST), College Park, MD 20740, USA
2
NOAA NESDIS/STAR/SMCD, College Park, MD 20740, USA
3
Cooperative Institute for Satellite Earth System Studies (CISESS), University of Maryland, College Park, MD 20740, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Giancarlo Bellucci
Remote Sens. 2022, 14(14), 3367; https://doi.org/10.3390/rs14143367
Received: 26 May 2022 / Revised: 27 June 2022 / Accepted: 8 July 2022 / Published: 13 July 2022
(This article belongs to the Special Issue VIIRS 2011–2021: Ten Years of Success in Earth Observations)
Since 28 October 2011, the VIIRS Infrared Imaging Radiometer Suite (VIIRS) on the Suomi National Polar-orbiting Partnership (S-NPP) has operated over 10 years and successfully generated scientific global images for the Earth’s environment and climate studies. Besides thermal and day night bands, VIIRS has 14 reflective solar bands (RSBs) that cover a spectral range of 0.41 µm to 2.25 µm. The primary and daily source of calibration for the RSBs is the Solar Diffuser (SD) as an onboard calibrator, and its degradations are tracked by the Solar Diffuser Stability Monitor (SDSM). Alternatively, monthly scheduled lunar calibration has provided long-term on-orbit trends that validate the corresponding SD-based calibration results. In this paper, on-orbit lunar calibration and comparison results are focused on, in conjunction with the SD calibrations that are performed by the National Oceanic and Atmospheric Administration (NOAA) VIIRS team. In addition, a recent study showed that there is increasing striping in the VIIRS images in the RSBs caused by the non-uniform SD degradation. The estimation of the SD non-uniformity and a mitigation method is proposed along with the striping reductions. View Full-Text
Keywords: S-NPP; VIIRS; lunar; solar diffuser; calibration; non-uniformity; scan striping S-NPP; VIIRS; lunar; solar diffuser; calibration; non-uniformity; scan striping
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MDPI and ACS Style

Choi, T.; Cao, C.; Shao, X.; Wang, W. S-NPP VIIRS Lunar Calibrations over 10 Years in Reflective Solar Bands (RSB). Remote Sens. 2022, 14, 3367. https://doi.org/10.3390/rs14143367

AMA Style

Choi T, Cao C, Shao X, Wang W. S-NPP VIIRS Lunar Calibrations over 10 Years in Reflective Solar Bands (RSB). Remote Sensing. 2022; 14(14):3367. https://doi.org/10.3390/rs14143367

Chicago/Turabian Style

Choi, Taeyoung, Changyong Cao, Xi Shao, and Wenhui Wang. 2022. "S-NPP VIIRS Lunar Calibrations over 10 Years in Reflective Solar Bands (RSB)" Remote Sensing 14, no. 14: 3367. https://doi.org/10.3390/rs14143367

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