Articles | Volume 10, issue 11
Atmos. Meas. Tech., 10, 4341–4361, 2017
https://doi.org/10.5194/amt-10-4341-2017

Special issue: The Saharan Aerosol Long-range Transport and Aerosol-Cloud-interaction...

Atmos. Meas. Tech., 10, 4341–4361, 2017
https://doi.org/10.5194/amt-10-4341-2017
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 et al.

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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.