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001     42749
005     20240712101045.0
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037 _ _ |a PreJuSER-42749
041 _ _ |a eng
082 _ _ |a 550
084 _ _ |2 WoS
|a Meteorology & Atmospheric Sciences
100 1 _ |a Anttila, T.
|b 0
|u FZJ
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245 _ _ |a Modelling the formation of organic particles in the atmosphere
260 _ _ |a Katlenburg-Lindau
|b EGU
|c 2004
300 _ _ |a 1071 - 1083
336 7 _ |a Journal Article
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336 7 _ |a Journal Article
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336 7 _ |a ARTICLE
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336 7 _ |a article
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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 Particle formation resulting from activation of inorganic stable clusters by a supersaturated organic vapour was investigated using a numerical model. The applied aerosol dynamic model included a detailed description of the activation process along with a treatment of the appropriate aerosol and gas-phase processes. The obtained results suggest that both gaseous sulphuric acid and organic vapours contribute to organic particle formation in continental background areas. The initial growth of freshly-nucleated clusters is driven mainly by condensation of gaseous sulphuric acid and by a lesser extent self-coagulation. After the clusters have reached sizes of around 2 nm in diameter, low-volatile organic vapours start to condense spontaneously into the clusters, thereby accelerating their growth to detectable sizes. A shortage of gaseous sulphuric acid or organic vapours limit, or suppress altogether, the particle formation, since freshly-nucleated clusters are rapidly coagulated away by pre-existing particles. The obtained modelling results were applied to explaining the observed seasonal cycle in the number of aerosol formation events in a continental forest site.
536 _ _ |a Chemie und Dynamik der Geo-Biosphäre
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588 _ _ |a Dataset connected to Web of Science
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700 1 _ |a Kerminen, V.-M.
|b 1
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700 1 _ |a Kulmala, M.
|b 2
|0 P:(DE-HGF)0
700 1 _ |a Laaksonen, A.
|b 3
|0 P:(DE-HGF)0
700 1 _ |a O'Dowd, C.
|b 4
|0 P:(DE-HGF)0
773 _ _ |g Vol. 4, p. 1071 - 1083
|p 1071 - 1083
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|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/42749/files/59743.pdf
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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)
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914 1 _ |y 2004
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920 1 _ |k ICG-II
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|d 31.12.2006
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