http://www.cnr.it/ontology/cnr/individuo/prodotto/ID270605
A dual behavior of primary marine organics (Articolo in rivista)
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- A dual behavior of primary marine organics (Articolo in rivista) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1063/1.4803370 (literal)
- Alternative label
Ovadnevaite, J.a, Ceburnis, D.a, Martucci, G.a, Bialek, J.a, Monahan, C.a, Rinaldi, M.b, Facchini, M.C.b, O'Dowd, C.a (2013)
A dual behavior of primary marine organics
in AIP conference proceedings; AMER INST PHYSICS, MELVILLE, NY (Stati Uniti d'America)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Ovadnevaite, J.a, Ceburnis, D.a, Martucci, G.a, Bialek, J.a, Monahan, C.a, Rinaldi, M.b, Facchini, M.C.b, O'Dowd, C.a (literal)
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- Presente ISSN= 0094-243X
e ISBN = 978-0-7354-1152-4 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#titoloVolume
- AIP Conference Proceedings (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#volumeInCollana
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- a School of Physics and Centre for Climate and Air Pollution Studies, Ryan Institute, National University of Ireland Galway, University Road, Galway, Ireland
b Institute of Atmospheric Sciences and Climate, National Research Council, Bologna, 20129, Italy (literal)
- Titolo
- A dual behavior of primary marine organics (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
- 978-0-7354-1152-4 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#curatoriVolume
- DeMott, PJ; ODowd, CD (literal)
- Abstract
- High-time resolution measurements of primary marine organic sea spray physico-chemical properties reveal submicron organic marine aerosol plume concentrations peaking at 3.8 mu g m-3, moreover, it shows an apparent dichotomous behavior of marine organics in terms of water uptake: specifically sea-spray aerosol enriched in organic matter possesses a low Hydroscopic Growth Factor (HGF similar to 1.25) while simultaneously having a cloud condensation nucleus/condensation nuclei (CCN/CN) activation efficiency of between 83% at 0.25% supersaturation and 100% at 0.75%. Simultaneous retrieval of Cloud Droplet Number Concentration (CDNC) during primary organic aerosol plumes reveals CDNC concentrations of 350 cm(-3) for organic mass concentrations 3-4 mu g m(-3). It is demonstrated that the retrieved high CDNCs under clean marine conditions can only be explained by organic sea-spray and corroborates the high CCN activation efficiency associated with primary organics. It is postulated that marine hydrogels are responsible for this dichotomous behavior (literal)
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