Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 19, issue 10
Articles | Volume 19, issue 10
https://doi.org/10.5194/amt-19-3193-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-19-3193-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 10
Research article
 | 
19 May 2026
Research article |  | 19 May 2026

Comparative analysis of GOME and SCIAMACHY reflectance over Pseudo-Invariant Calibration Sites: implications for spectrometers cross-calibration

Abdalmenem Owda and Günter Lichtenberg

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Short summary
This paper introduces a framework for tracking sensor performance and comparison. We analyzed two decades of reflectance data from two well-known spectrometers over 20 desert sites, covering about 1300 spectral channels. The results lay the groundwork for cross-calibration of spectrometers by identifying which reference/constrained sensor and investigating the stability of invariant calibration sites.
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