Presentation
6 October 2023 AIRS visible light channels: calibration using deep convective clouds
Author Affiliations +
Abstract
The Atmospheric Infrared Sounder (AIRS) on the EOS Aqua Spacecraft was launched on May 4, 2002 and is currently fully operational. AIRS, in addition to the infrared system comprised of 2378 channels with wavelengths ranging from 3.7-15.4 um, has 4 Visible/Near-Infrared channels and an on-board calibration source utilizing 3 independent lamps to characterize the change in the visible response over time. We describe our experience from 20 years of AIRS data using internal calibration lamps and Deep Convective Clouds (DCCs) for the calibration and stabilization of the AIRS visible light data. We compare and contrast the response the response of the 4 AIRS Visible channels to the three onboard calibration lamps and DCCs. The upcoming release of the AIRS Version 8 Visible L1B product will be using a DCC based calibration.
Conference Presentation
© (2023) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Steven E. Broberg, Hartmut Aumann, Evan Manning, and Thomas S. Pagano "AIRS visible light channels: calibration using deep convective clouds", Proc. SPIE 12685, Earth Observing Systems XXVIII, 126850M (6 October 2023); https://doi.org/10.1117/12.2677742
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KEYWORDS
Calibration

Visible radiation

Clouds

Lamps

Infrared radiation

Infrared imaging

Space operations

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