Articles | Volume 12, issue 11
Atmos. Meas. Tech., 12, 5879–5895, 2019
https://doi.org/10.5194/amt-12-5879-2019
Atmos. Meas. Tech., 12, 5879–5895, 2019
https://doi.org/10.5194/amt-12-5879-2019

Research article 08 Nov 2019

Research article | 08 Nov 2019

The effect of rapid relative humidity changes on fast filter-based aerosol-particle light-absorption measurements: uncertainties and correction schemes

Sebastian Düsing et al.

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Latest update: 17 Sep 2021
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Short summary
This study examines the effect of changes in relative humidity on measurements made by two different filter-based absorption photometers. Different filter loads, loading materials, and filter types are considered. It was found that both instruments react opposingly and with different magnitudes. One of the devices showed a variation in the dependence on the loading material. For each of the two devices, a correction approach is provided. Recommendations based on the findings are given.