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Title:A study of pollutant concentration variability in an urban street under low wind speeds
Authors:Martin, Damien (Author)
Price, Catheryn S (Author)
White, Iain R (Author)
Nickless, Graham (Author)
Dobre, Adrian (Author)
Shallcross, Dudley E (Author)
Files:.pdf RAZ_Martin_Damien_i2008.pdf (289,67 KB)
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:UNG - University of Nova Gorica
Abstract:The short time‐scale variability in pollutant concentrations in an urban street under very low wind speed conditions and short source–receptor distance has been investigated using the inert tracer sulfur hexafluoride (SF6) as a continuous point‐source (release times ≥ 5 min), and fast detection using separation by gas chromatography coupled with a μ‐electron capture detector (ECD). The results are complex but can be broadly interpreted in terms of horizontal wind speed and direction coherence. Comparisons with a simple dispersion model suggest that observed time‐averaged maximum concentrations approach predicted values, whilst instantaneous maximum concentrations vary greatly and would therefore be difficult to predict.
Keywords:dispersion, tracer, intermittency
Year of publishing:2008
Number of pages:147-152
Numbering:9, 3
COBISS_ID:5415931 Link is opened in a new window
DOI:10.1002/asl.184 Link is opened in a new window
License:CC BY-SA 4.0
This work is available under this license: Creative Commons Attribution Share Alike 4.0 International
Categories:Document is not linked to any category.
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Record is a part of a journal

Title:Atmospheric Science Letters
Shortened title:Atmos. Sci. Lett.
Year of publishing:2008