Real world ultrafine particle emission factors for road-traffic derived from multi-year urban flux measurements using eddy covariance

Environ. Sci.: Atmos., 2023, 3,1439-1452
DOI: 10.1039/D3EA00062A, Paper
Open Access Open Access
Agnes Straaten, Minh-Hien Nguyen, Stephan Weber
Mixed fleet particle number emission factors as derived from 3 years of size-resolved particle flux observations show about 2/3 of emission in the nucleation mode <30 nm. Long-term monitoring helps to understand variation in emission factors.
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