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| 001 | 42739 | ||
| 005 | 20240712101045.0 | ||
| 024 | 7 | _ | |a WOS:000225408300003 |2 WOS |
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| 037 | _ | _ | |a PreJuSER-42739 |
| 041 | _ | _ | |a eng |
| 082 | _ | _ | |a 550 |
| 084 | _ | _ | |2 WoS |a Meteorology & Atmospheric Sciences |
| 100 | 1 | _ | |a Laakso, L. |b 0 |0 P:(DE-HGF)0 |
| 245 | _ | _ | |a Kinetic nucleation and ions in boreal particle formation events |
| 260 | _ | _ | |a Katlenburg-Lindau |b EGU |c 2004 |
| 300 | _ | _ | |a 2353 - 2366 |
| 336 | 7 | _ | |a Journal Article |0 PUB:(DE-HGF)16 |2 PUB:(DE-HGF) |
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| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
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| 336 | 7 | _ | |a article |2 DRIVER |
| 440 | _ | 0 | |a Atmospheric Chemistry and Physics |x 1680-7316 |0 9601 |v 4 |
| 500 | _ | _ | |a Record converted from VDB: 12.11.2012 |
| 520 | _ | _ | |a In order to gain a more comprehensive picture on different mechanisms behind atmospheric particle formation, measurement results from QUEST 2-campaign are analyzed with an aid of an aerosol dynamic model. A special emphasis is laid on air ion and charged aerosol dynamics. Model simulations indicate that kinetic nucleation of ammonia and sulphuric acid together with condensation of sulphuric acid and low-volatile organic vapours onto clusters and particles explain basic features of particle formation events as well as ion characteristics. However, an observed excess of negative ions in the diameter range 1.5-3 nm and overcharge of 3-5 nm particles demonstrate that ions are also involved in particle formation. These observations can be explained by preferential condensation of sulphuric acid onto negatively charged clusters and particles and/or contribution of ion-induced nucleation on particle formation. According to model simulations, which assume that the nucleation rate is equal to the sulfuric acid collision rate, the relative contribution of ion-based particle formation seems to be smaller than kinetic nucleation of neutral clusters. Conducted model simulations also corroborate the recently-presented hypothesis according to which a large number of so-called thermodynamically stable clusters (TSCs) having a diameter between 1-3 nm exist in the atmosphere. TSCs were found to grow to observable sizes only under favorable conditions, e. g. when the pre-existing particle concentration was low. |
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| 700 | 1 | _ | |a Anttila, T. |b 1 |u FZJ |0 P:(DE-Juel1)VDB45939 |
| 700 | 1 | _ | |a Lehtinen, K. |b 2 |0 P:(DE-HGF)0 |
| 700 | 1 | _ | |a Aalto, P. |b 3 |0 P:(DE-HGF)0 |
| 700 | 1 | _ | |a Kulmala, M. |b 4 |0 P:(DE-HGF)0 |
| 700 | 1 | _ | |a Horrak, U. |b 5 |0 P:(DE-HGF)0 |
| 700 | 1 | _ | |a Paatero, J. |b 6 |0 P:(DE-HGF)0 |
| 700 | 1 | _ | |a Hanke, M. |b 7 |0 P:(DE-HGF)0 |
| 700 | 1 | _ | |a Arnold, F. |b 8 |0 P:(DE-HGF)0 |
| 773 | _ | _ | |g Vol. 4, p. 2353 - 2366 |p 2353 - 2366 |q 4<2353 - 2366 |0 PERI:(DE-600)2069847-1 |t Atmospheric chemistry and physics |v 4 |y 2004 |x 1680-7316 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/42739/files/59733.pdf |y OpenAccess |
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| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/42739/files/59733.jpg?subformat=icon-640 |x icon-640 |y OpenAccess |
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| 913 | 1 | _ | |k U01 |v Chemie und Dynamik der Geo-Biosphäre |l Chemie und Dynamik der Geo-Biosphäre |b Environment (Umwelt) |0 G:(DE-Juel1)FUEK257 |x 0 |
| 914 | 1 | _ | |y 2004 |
| 915 | _ | _ | |0 StatID:(DE-HGF)0010 |a JCR/ISI refereed |
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| 920 | 1 | _ | |k ICG-II |l Troposphäre |d 31.12.2006 |g ICG |0 I:(DE-Juel1)VDB48 |x 0 |
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