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Aerosol particle fo...
Aerosol particle formation events and analysis of high growth rates observed above a subarctic wetland-forest mosaic
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- Svenningsson, Birgitta (author)
- Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Institutionen för naturgeografi och ekosystemvetenskap,Naturvetenskapliga fakulteten,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,Dept of Physical Geography and Ecosystem Science,Faculty of Science
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- Arneth, Almut (author)
- Lund University,Lunds universitet,Institutionen för naturgeografi och ekosystemvetenskap,Naturvetenskapliga fakulteten,Dept of Physical Geography and Ecosystem Science,Faculty of Science
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- Hayward, Sean (author)
- Lund University,Lunds universitet,Institutionen för naturgeografi och ekosystemvetenskap,Naturvetenskapliga fakulteten,Dept of Physical Geography and Ecosystem Science,Faculty of Science
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- Holst, Thomas (author)
- Lund University,Lunds universitet,Institutionen för naturgeografi och ekosystemvetenskap,Naturvetenskapliga fakulteten,Dept of Physical Geography and Ecosystem Science,Faculty of Science
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Massling, Andreas (author)
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- Swietlicki, Erik (author)
- Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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Hirsikko, Anne (author)
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Junninen, Heikki (author)
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Riipinen, Ilona (author)
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Vana, Marko (author)
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Dal Maso, Miikka (author)
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Hussein, Tareq (author)
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Kulmala, Markku (author)
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(creator_code:org_t)
- 2008-01-01
- 2008
- English.
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In: Tellus. Series B: Chemical and Physical Meteorology. - : Stockholm University Press. - 0280-6509 .- 1600-0889. ; 60, s. 353-364
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Abstract
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- An analysis of particle formation (PF) events over a subarctic mire in northern Sweden was performed, based on number size distributions of atmospheric aerosol particles (10-500 nm in diameter) and ions (0.4-40 nm in Tammet diameter). We present classification statistics for PF events from measurements covering the period July 2005- September 2006, with a break over the winter period. The PF event frequency peaked during the summer months, in contrast to other Scandinavian sites where the frequency is highest during spring and autumn. Our analysis concentrates on calculated growth rates and estimates of concentrations and production rates of condensing vapour, deduced from the growth rates and condensational sink calculations, using AIS and SMPS data. Particle formation events with high growth rates (up to 50 nm/h) occurred repeatedly. In these cases, the newly formed nucleation mode particles were often only present for periods of a few hours. On several occasions repeated particle formation events were observed within one day, with differences in onset time of a few hour. These high growth rates were only observed when the condensation sink was higher than 0.001 s-1.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Naturgeografi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Physical Geography (hsv//eng)
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
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- art (subject category)
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- By the author/editor
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Svenningsson, Bi ...
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Arneth, Almut
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Hayward, Sean
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Holst, Thomas
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Massling, Andrea ...
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Swietlicki, Erik
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show more...
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Hirsikko, Anne
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Junninen, Heikki
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Riipinen, Ilona
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Vana, Marko
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Dal Maso, Miikka
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Hussein, Tareq
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Kulmala, Markku
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Physical Geograp ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Subatomic Physic ...
- Articles in the publication
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Tellus. Series B ...
- By the university
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Lund University