Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 19, issue 1
Articles | Volume 19, issue 1
https://doi.org/10.5194/amt-19-277-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-19-277-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 1
Research article
 | 
15 Jan 2026
Research article |  | 15 Jan 2026

CALIPSO 1064 nm calibration biases inferred from wavelength-dependent signal attenuation by stratospheric aerosols

Jayanta Kar, Mark A. Vaughan, Robert P. Damadeo, Mahesh Kovilakam, Jason L. Tackett, and Charles R. Trepte

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Short summary
This paper assesses biases in the 1064 nm calibration of the Cloud Aerosol Lidar with Orthogonal Polarization (CALIOP) due to signal attenuation differences at 1064 and 532 nm caused by stratospheric aerosols. Multi-channel measurements from the Stratospheric Aerosol and Gas Experiment suggest the bias ranges from 1 %–2 % for background conditions to over 5 % for high aerosol loads. Implications for CALIOP 1064 nm extinction retrievals and cascading errors in multi-layer scenes are discussed.
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