Articles | Volume 14, issue 2
Atmos. Meas. Tech., 14, 923–943, 2021
https://doi.org/10.5194/amt-14-923-2021
Atmos. Meas. Tech., 14, 923–943, 2021
https://doi.org/10.5194/amt-14-923-2021
Research article
08 Feb 2021
Research article | 08 Feb 2021

A new method for long-term source apportionment with time-dependent factor profiles and uncertainty assessment using SoFi Pro: application to 1 year of organic aerosol data

Francesco Canonaco et al.

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Short summary
Long-term ambient aerosol mass spectrometric data were analyzed with a statistical model (PMF) to obtain source contributions and fingerprints. The new aspects of this paper involve time-dependent source fingerprints by a rolling technique and the replacement of the full visual inspection of each run by a user-defined set of criteria to monitor the quality of each of these runs more efficiently. More reliable sources will finally provide better instruments for political mitigation strategies.