Articles | Volume 20, issue 3
Atmos. Chem. Phys., 20, 1657–1674, 2020
https://doi.org/10.5194/acp-20-1657-2020
Atmos. Chem. Phys., 20, 1657–1674, 2020
https://doi.org/10.5194/acp-20-1657-2020

Research article 11 Feb 2020

Research article | 11 Feb 2020

Source apportionment of highly time-resolved elements during a firework episode from a rural freeway site in Switzerland

Pragati Rai et al.

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Latest update: 18 Sep 2021
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Short summary
A source apportionment study of hourly resolved elements in PM10 measured at a traffic-influenced site in Härkingen, Switzerland, using positive matrix factorization (PMF) and multilinear engine-2 (ME-2) offered resolution of robust and unambiguous factor profiles and contributions. We show that the rotational control available in ME-2 provides a means for treating extreme events such as fireworks within a PMF analysis.
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