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Identification of emission sources from data of PM2.5 chemical speciation measured with automatic monitors: application in a coastal site of the Mediterranean basin

TitoloIdentification of emission sources from data of PM2.5 chemical speciation measured with automatic monitors: application in a coastal site of the Mediterranean basin
Tipo di pubblicazioneArticolo su rivista divulgativa
Anno di Pubblicazione2017
AutoriPetralia, Ettore, Berico M., La Torretta Teresa M. G., Malaguti Antonella, Stracquadanio Milena, and Telloli C.
MagazineBiodiversity Journal
Volume8 (1)
Paginazione59–64
ISSN2039-0394
Parole chiaveAutomatic monitors; High-time resolution PM2.5 measures; Positive Matrix Factorization; Rural background site; Source apportionment
Abstract

High-time resolution (1 hour) measurements of 11 species (organic carbon, elemental carbon,
chloride, nitrite, nitrate, sulfate, sodium, ammonium, potassium, magnesium, calcium) within
the PM2.5 were conducted, from 3rd May to 30th June 2010, in a coastal site of Basilicata
(Italy). Acquired data were analysed through Positive Matrix Factorization (PMF) method in
order to individuate potential emission sources. This source apportionment evaluation revealed
5 factors separated as Vehicular traffic, Combustion of biomass, Secondary aerosol, Aged
marine, Marine fresh and Dust. For each factor were defined profile, temporal trend, 24hcycle
and percentage contribution to measured PM2.5, also emphasizing the relationship between
factors and different wind conditions.
URLhttp://www.biodiversityjournal.com/pdf/8(1)_59-64.pdf
Citation Key9051