Source identification of ultrafine particulate matter and ammonia emissions in the metropolitan area
Jaeseok Heo,
Pilho Kim,
Jongsung Park
et al.
Abstract:Previous studies have estimated the sources of particulate matter in the atmosphere. Among these, studying the sources of secondary aerosols harmful to human health is important. However, there is a lack of research on ammonia (NH3), a precursor to secondary aerosol formation. This study uses positive matrix factorization (PMF) model and conditional bivariate probability function (CBPF) model to estimate the sources of particulate matter and ammonia. The results showed that about 40% of the PM2.5 mass at both … Show more
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