Articles | Volume 12, issue 11
https://doi.org/10.5194/amt-12-5879-2019
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, Birgit Wehner, Thomas Müller, Almond Stöcker, and Alfred Wiedensohler

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Sebastian Düsing on behalf of the Authors (20 Sep 2019)  Author's response   Manuscript 
ED: Publish as is (25 Sep 2019) by Pierre Herckes
AR by Sebastian Düsing on behalf of the Authors (27 Sep 2019)  Manuscript 

Post-review adjustments

AA: Author's adjustment | EA: Editor approval
AA by Sebastian Düsing on behalf of the Authors (25 Oct 2019)   Author's adjustment   Manuscript
EA: Adjustments approved (28 Oct 2019) by Pierre Herckes
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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.