Articles | Volume 16, issue 11
https://doi.org/10.5194/amt-16-2771-2023
https://doi.org/10.5194/amt-16-2771-2023
Research article
 | 
02 Jun 2023
Research article |  | 02 Jun 2023

A multiple-charging correction algorithm for a broad-supersaturation scanning cloud condensation nuclei (BS2-CCN) system

Najin Kim, Hang Su, Nan Ma, Ulrich Pöschl, and Yafang Cheng

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Short summary
We propose a multiple-charging correction algorithm for a broad-supersaturation scanning cloud condensation nuclei (BS2-CCN) system which can obtain high time-resolution aerosol hygroscopicity and CCN activity. The correction algorithm aims at deriving the activation fraction's true value for each particle size. The meaningful differences between corrected and original κ values (single hygroscopicity parameter) emphasize the correction algorithm's importance for ambient aerosol measurement.