http://www.cnr.it/ontology/cnr/individuo/prodotto/ID45115
An important source of marine secondary organic aerosol from biogenic amines. (Articolo in rivista)
- Type
- Label
- An important source of marine secondary organic aerosol from biogenic amines. (Articolo in rivista) (literal)
- Anno
- 2008-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1021/es8018385 (literal)
- Alternative label
Facchini, M.C., S. Decesari, M. Rinaldi, C. Carbone, E. Finessi, M. Mircea, S. Fuzzi, F. Moretti, E. Tagliavini, D. Ceburnis and C.D. ODowd (2008)
An important source of marine secondary organic aerosol from biogenic amines.
in Environmental science & technology
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Facchini, M.C., S. Decesari, M. Rinaldi, C. Carbone, E. Finessi, M. Mircea, S. Fuzzi, F. Moretti, E. Tagliavini, D. Ceburnis and C.D. ODowd (literal)
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1. CNR, Inst Atmospher Sci & Climate, I-40129 Bologna, Italy
2. Univ Bologna, Dept Chem, I-40126 Bologna, Italy
3. Univ Bologna, Ctr Interdipartimentale Ric Sci Ambientali, I-48100 Ravenna, Italy
4. Natl Univ Ireland, Sch Phys, Galway, Ireland
5. Natl Univ Ireland, Ctr Climate & Air Pollut Studies, Environm Change Inst, Galway, Ireland (literal)
- Titolo
- An important source of marine secondary organic aerosol from biogenic amines. (literal)
- Abstract
- Relevant concentrations of dimethyl- and diethylammonium salts(DMA(+) and DEA(+))were measured in submicrometer marine aerosol collected over the North Atlantic during periods of high biological activity (HBA) in clean air masses (median concentration (minimum-maximum) = 26 (6-56) ng m(-3)). Much lower concentrations were measured during periods of low biological activity (LBA): 1 (<0.4-20) ng m(-3) and when polluted air masses were advected to the sampling site: 2 (<0.2-24) ng m(-3). DMA(+) and DEA(+) are the most abundant organic species, second only to MSA, detected in fine marine particles representing on average 11% of the secondary organic aerosol (SOA)fraction and a dominant part (35% on average) of the water-soluble organic nitrogen (WSON). Several observations support the hypothesis that DMA(+) and DEA(+) have a biogenic oceanic source and are produced through the reaction of gaseous amines with sulfuric acid or acidic sulfates. Moreover, the water-soluble fraction of nascent marine aerosol particles produced by bubble-bursting experiments carried out in parallel to ambient aerosol sampling over the open ocean showed WSON, DMA(+), and DEA(+) concentrations always below the detection limit, thus excluding an important primary sea spray source. (literal)
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