SNPP VIIRS reflective solar bands on-orbit calibration six-year update: extension and improvements

J. Sun; M. Wang

doi:10.1117/12.2320238

7 September 2018 SNPP VIIRS reflective solar bands on-orbit calibration six-year update: extension and improvements

J. Sun, M. Wang

Proceedings Volume 10764, Earth Observing Systems XXIII; 107641A (2018) https://doi.org/10.1117/12.2320238
Event: SPIE Optical Engineering + Applications, 2018, San Diego, California, United States

Abstract

The Suomi National Polar-orbiting Partnership (SNPP) Visible Infrared Imaging Radiometer Suite (VIIRS) has been on-orbit for more than 6 years. VIIRS has 22 spectral bands, among which fourteen are reflective solar bands (RSB) covering a spectral range from 0.410 to 2.25 μm. The SNPP VIIRS RSB have performed very well since launch. The radiometric calibration for the RSB has also reached a mature stage after almost six years since its launch. Numerous improvements have been made in the standard RSB calibration methodology. Additionally, a hybrid calibration method, which takes the advantages of both solar diffuser calibration and lunar calibration and avoids the drawbacks of the two methods, successfully finalizes the highly accurate calibration for VIIRS RSB. The successfully calibrated RSB data record significantly impacts the ocean color products, whose stringent requirements are especially sensitive to calibration accuracy, and helps the ocean color products to reach maturity and high quality. Nevertheless, there are still many challenge issues to be investigated for further improvements of the VIIRS sensor data records (SDR). In this presentation, SNPP VIIRS RSB calibration and performance in the past six-year since launch will be presented.

Conference Presentation

Citation Download Citation

J. Sun and M. Wang "SNPP VIIRS reflective solar bands on-orbit calibration six-year update: extension and improvements", Proc. SPIE 10764, Earth Observing Systems XXIII, 107641A (7 September 2018); https://doi.org/10.1117/12.2320238

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