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Fine carbonaceous aerosol characteristics at a coastal rural site in the Central Mediterranean as given by OCEC online measurements

TitoloFine carbonaceous aerosol characteristics at a coastal rural site in the Central Mediterranean as given by OCEC online measurements
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione2013
AutoriMalaguti, Antonella, Mircea Mihaela, La Torretta Teresa M. G., Piersanti Antonio, Salvi S., Zanini Gabriele, Telloli C., Salfi F., and Berico M.
RivistaJournal of Aerosol Science
Volume56
Paginazione78-87
ISSN00218502
Parole chiaveaerosol, Aerosol particles, Aerosols, Air mass, article, Biological Aerosol, carbon, Carbonaceous aerosol, Central Mediterranean, circadian rhythm, coastal zone, concentration (composition), concentration (parameters), diurnal variation, Elemental carbon, Field campaign, fractionation, Italy, measurement method, Mediterranean region, Meteorological condition, Nitrogen dioxide, Number concentration, On-line measurement, Organic carbon, Particle numbers, priority journal, Research centres, rural area, Rural site, seashore, Secondary organic aerosols, Semi-continuous, Sun, Traffic flow, unclassified drug, volatile organic compound, Volatile organic compounds, Wind conditions
Abstract

In order to know the variability and to understand the sources of carbonaceous aerosol in the Central Mediterranean area, a two month (May and June 2010) field campaign was carried out at Trisaia ENEA Research Centre (Italy). The semi-continuous measurements of organic carbon (OC) and elemental carbon (EC) showed one order of magnitude variation during the campaign, with very low EC concentrations. The diurnal variation of EC was similar to the diurnal variation of NO2 concentration, of number concentration of aerosol particles with diameters between 0.25 and 2.5μm and of traffic flow while the diurnal variation of OC was more related to the meteorological conditions. The increase of OC observed early in the morning may be due to an increase of the secondary organic aerosol (SOA) fraction, in low wind conditions, increasing solar radiation and in the presence of air masses rich in volatile organic compounds (VOC) transported from the NW, and due to the presence of primary biological aerosol particles such as bacteria, spores and pollen. © 2012 Elsevier Ltd.
Note

cited By 6
URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84872004051&doi=10.1016%2fj.jaerosci.2012.06.004&partnerID=40&md5=499bbb21f6b37da3c12ec754fb4b2f58
DOI10.1016/j.jaerosci.2012.06.004
Citation KeyMalaguti201378