http://www.cnr.it/ontology/cnr/individuo/prodotto/ID183413
Cloud condensation nucleus production from nucleation events at a highly polluted region (Articolo in rivista)
- Type
- Label
- Cloud condensation nucleus production from nucleation events at a highly polluted region (Articolo in rivista) (literal)
- Anno
- 2005-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1029/2004GL022092 (literal)
- Alternative label
Laaksonen, A; Hamed, A; Joutsensaari, J; Hiltunen, L; Cavalli, F; Junkermann, W; Asmi, A; Fuzzi, S; Facchini, MC (2005)
Cloud condensation nucleus production from nucleation events at a highly polluted region
in Geophysical research letters
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Laaksonen, A; Hamed, A; Joutsensaari, J; Hiltunen, L; Cavalli, F; Junkermann, W; Asmi, A; Fuzzi, S; Facchini, MC (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Univ Kuopio, Dept Appl Phys, FIN-70211 Kuopio, Finland; CNR, ISt Sci Atmosfera & Clima, I-40129 Bologna, Italy; IMK IFU, Res Ctr Karlsruhe, D-82467 Garmisch Partenkirchen, Germany; Ford Res Ctr Aachen, D-52072 Aachen, Germany; Univ Helsinki, Dept Phys Sci, Helsinki, Finland (literal)
- Titolo
- Cloud condensation nucleus production from nucleation events at a highly polluted region (literal)
- Abstract
- Atmospheric nucleation events have received increasing attention as a potentially important source of aerosol particles affecting climate and human health. Here, we report 2.5 years of continuous nucleation observations from San Pietro Capofiume, Italy (44 degrees 39'N, 11 degrees 37'W). We show that nucleation events occur frequently in the Po Valley region, even though the region is rather polluted with high pre-existing particle concentrations. The nucleation events are often very intensive, and the newly formed particles can grow to sizes as large as 100-200 nm in diameter within a few hours. Our calculations of the enhancement of particle number concentrations in different size ranges and comparison with steady-state and regional emission estimates indicate that the nucleation events produce a significant fraction of particles larger than 100 nm, and thus constitute an important source of cloud condensation nuclei (CCN). (literal)
- Prodotto di
- Autore CNR
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