Articles | Volume 10, issue 11
https://doi.org/10.5194/amt-10-4341-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/amt-10-4341-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
14 Nov 2017
Research article |
| 14 Nov 2017
On the parametrization of optical particle counter response including instrument-induced broadening of size spectra and a self-consistent evaluation of calibration measurements
Adrian Walser
Ludwig Maximilian University (LMU), Meteorological Institute, Munich, Germany
German Aerospace Center (DLR), Institute of Atmospheric Physics, Oberpfaffenhofen, Germany
Daniel Sauer
German Aerospace Center (DLR), Institute of Atmospheric Physics, Oberpfaffenhofen, Germany
Antonio Spanu
University of Vienna (UNIVIE), Aerosol Physics and Environmental Physics, Vienna, Austria
Josef Gasteiger
University of Vienna (UNIVIE), Aerosol Physics and Environmental Physics, Vienna, Austria
Bernadett Weinzierl
CORRESPONDING AUTHOR
University of Vienna (UNIVIE), Aerosol Physics and Environmental Physics, Vienna, Austria
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Latest update: 13 Jul 2025
Short summary
We present a new approach to model the response of optical particle counters (OPCs) including a simple parametrization for artificial broadening of size spectra induced by the non-ideal behavior of real OPCs. We show a self-consistent way to evaluate calibration measurements and outline how particle number size distributions with realistic uncertainty estimates can be derived. The innovations will improve the accuracy of OPC-derived size distributions and allow to assess their precision.
We present a new approach to model the response of optical particle counters (OPCs) including a...
