Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 19, issue 9
Articles | Volume 19, issue 9
https://doi.org/10.5194/amt-19-3031-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-19-3031-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 9
Research article
 | 
08 May 2026
Research article |  | 08 May 2026

Uncertainty estimation of aerosol properties from a Vaisala CT25k ceilometer based on in situ aerosol measurements

Marcus G. Müller, Birger Bohn, and Ulrich Löhnert

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Short summary
We present an uncertainty estimation for the retrieval of aerosol properties from a Vaisala CT25k ceilometer at JOYCE (Jülich Observatory for Cloud Evolution) with a forward inversion method. Ceilometer aerosol mass concentrations and extinction coefficients were compared to in situ observations (optical particle sizer) from a close-by tower at 120 m, showing a mean absolute percentage error of 39 % when deriving aerosol mass concentrations from ceilometer aerosol extinction coefficients.
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