Articles | Volume 11, issue 4
Atmos. Meas. Tech., 11, 2313–2324, 2018
https://doi.org/10.5194/amt-11-2313-2018
Atmos. Meas. Tech., 11, 2313–2324, 2018
https://doi.org/10.5194/amt-11-2313-2018

Research article 24 Apr 2018

Research article | 24 Apr 2018

On the accuracy of aerosol photoacoustic spectrometer calibrations using absorption by ozone

Nicholas W. Davies et al.

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Latest update: 04 Dec 2021
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Short summary
The poorly characterised optical properties of atmospheric aerosols are one of the major uncertainties when modelling future climate change. Photoacoustic spectroscopy is an accurate and sensitive method for measurement of aerosol light absorption. Photoacoustic spectrometers require calibration; hence this study validates the use of ozone as a calibrant and simultaneously verifies the accuracy of the photoacoustic spectrometers in question.