NPP VIIRS emissive band radiance calibration

Quanhua Liu; Changyong Cao; Fuzhong Weng

doi:10.1117/12.930201

15 October 2012 NPP VIIRS emissive band radiance calibration

Quanhua Liu, Changyong Cao, Fuzhong Weng

Proceedings Volume 8510, Earth Observing Systems XVII; 85101E (2012) https://doi.org/10.1117/12.930201
Event: SPIE Optical Engineering + Applications, 2012, San Diego, California, United States

Abstract

VIIRS thermal emissive bands (TEB) calibration data (blackbody and space counts) have been analyzed. The analysis results indicate that the Visible Infrared Imaging Radiometer Suite (VIIRS) TEB is stable and exceeds the specification. VIIRS Blackbody temperature is stable, too. The 6 platinum resistance thermometers (PRT) are also stable, except for the 3rd and 6th PRT have a periodic variation of 50 mK. Using the calibration data during the Blackbody temperature cool down and warm up, we found that noise equivalent deviation of temperatures (NEdT) varies with the Blackbody temperature. We developed a model that can predict the scene temperature dependent NEdT for the VIIRS M15 band. Comparisons between the VIIRS and other sensors such as AVHRR, MODIS and CrIS demonstrated that VIIRS TEB agrees generally with those sensors.

Citation Download Citation

Quanhua Liu, Changyong Cao, and Fuzhong Weng "NPP VIIRS emissive band radiance calibration", Proc. SPIE 8510, Earth Observing Systems XVII, 85101E (15 October 2012); https://doi.org/10.1117/12.930201

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