New‐particle formation in connection with a nocturnal low‐level jet: Observations and modeling results | Zendy

Siebert H. | Zendy; Wehner B. | Zendy; Hellmuth O. | Zendy; Stratmann F. | Zendy; Boy M. | Zendy; Kulmala M. | Zendy

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New‐particle formation in connection with a nocturnal low‐level jet: Observations and modeling results

Author(s) -

Siebert H.,

Wehner B.,

Hellmuth O.,

Stratmann F.,

Boy M.,

Kulmala M.

Publication year - 2007

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/2007gl029891

Subject(s) - jet (fluid) , nucleation , ultrafine particle , particle (ecology) , nocturnal , atmospheric sciences , kinetic energy , mechanics , physics , materials science , environmental science , geology , thermodynamics , classical mechanics , nanotechnology , oceanography , astronomy

Tethered‐balloon borne observations show a correlation between a significant peak of ultrafine particle concentration and increased SO 2 advected by a nocturnal low‐level jet. The maximum of ultrafine particles is found at the lower edge of the jet in a region where the advected SO 2 is mixed with colder and more humid air masses from below the jet. Model results corroborate that kinetic nucleation is the key mechanism for this nucleation event.

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