Radon as an atmospheric tracer in urban environments

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dc.contributor.authorWilliams, AGen_AU
dc.contributor.authorChambers, SDen_AU
dc.contributor.authorGriffiths, ADen_AU
dc.contributor.authorCrawford, Jen_AU
dc.contributor.authorConen, Fen_AU
dc.contributor.authorReimann, Sen_AU
dc.contributor.authorHill, Men_AU
dc.date.accessioned2020-09-11T01:55:18Zen_AU
dc.date.available2020-09-11T01:55:18Zen_AU
dc.date.issued2016-11-16en_AU
dc.date.statistics2020-09-11en_AU
dc.description.abstractWe demonstrate the multiple uses of radon as a tracer to explain observed diurnal characteristics of air pollution levels in a small inland European city (Bern, Switzerland), and to separate the influences of: local emissions within the city area; vertical dilution by boundary layer mixing; and horizontal advection of cleaner air from outside the city. This is accomplished by: (i) characterising the temporal variability in traffic density, radon, benzene and CO emissions at Bern city centre on diurnal and seasonal timescales; (ii) adapting a radon‐based stability technique developed by Chambers et al. (2015) to make it independent of seasonal changes in day length and radon source function; (iii) characterising the combined influence of traffic density and meteorological conditions on benzene and CO concentrations in Bern; and (iv) utilising the diurnal radon signal, together with an idealised box model incorporating a simple advection term, to remove the combined effects of local horizontal advection and atmospheric dilution. This allows us to seek an accurate relationship between traffic density and pollutant emissions in this compact inland city. © 2016 The Authorsen_AU
dc.identifier.citationWilliams, A. G., Chambers, S. D. Griffiths, A. D., Crawford, J., Conen, F., Reimann, S., & Hill, M. (2016). Radon as an atmospheric tracer in urban environments. Paper presented at the Atmospheric Composition & Chemistry Observations & Modelling Conference incorporating the Cape Grim Annual Science Meeting 2016 [abstracts], 16‐18 November 2016, Stanley, Tasmania.en_AU
dc.identifier.conferenceenddate18 November 2016en_AU
dc.identifier.conferencenameAtmospheric Composition & Chemistry Observations & Modelling Conference incorporating the Cape Grim Annual Science Meeting 2016en_AU
dc.identifier.conferenceplaceStanley, Tasmaniaen_AU
dc.identifier.conferencestartdate16 November 2016en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/9770en_AU
dc.language.isoenen_AU
dc.publisherBureau of Meteorology and CSIRO Oceans and Atmosphere, Climate Science Centre, Melbourneen_AU
dc.subjectRadonen_AU
dc.subjectTracer techniquesen_AU
dc.subjectAir pollutionen_AU
dc.subjectSwitzerlanden_AU
dc.subjectAir pollution monitoringen_AU
dc.subjectBenzeneen_AU
dc.subjectCarbon dioxideen_AU
dc.titleRadon as an atmospheric tracer in urban environmentsen_AU
dc.typeConference Presentationen_AU
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