Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 8
Articles | Volume 26, issue 8
https://doi.org/10.5194/acp-26-5293-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-5293-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 8
Research article
 | 
21 Apr 2026
Research article |  | 21 Apr 2026

A spectral perspective of the clear-sky OLR variability driven by ENSO

Martina Taddia, Federico Fabiano, Stefano Della Fera, Elisa Castelli, and Bianca Maria Dinelli

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Short summary
The evolution of the climate system is strictly related to its radiative response to changes in surface and atmospheric processes. Through the analysis of the Earth’s emission spectrum measured by satellite instruments, we show that the radiative response to El-Niño Southern Oscillation is wavenumber-dependent, highlighting the role of key climate variables. This makes this analysis particularly suitable for climate models evaluations.
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