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dc.contributor.authorFan, Shaojia
dc.contributor.authorWang, Baomin
dc.contributor.authorTesche, Matthias
dc.contributor.authorEngelmann, R.
dc.contributor.authorAlthausen, A.
dc.contributor.authorLiu, Ji
dc.contributor.authorZhu, Wei
dc.contributor.authorFan, Qi
dc.contributor.authorLi, Minghua
dc.contributor.authorTa, Na
dc.contributor.authorSong, Lili
dc.contributor.authorLeong, Kacheng
dc.date.accessioned2015-08-12T19:14:31Z
dc.date.available2015-08-12T19:14:31Z
dc.date.issued2008-08
dc.identifier.citationFan , S , Wang , B , Tesche , M , Engelmann , R , Althausen , A , Liu , J , Zhu , W , Fan , Q , Li , M , Ta , N , Song , L & Leong , K 2008 , ' Meteorological conditions and structures of atmospheric boundary layer in October 2004 over Pearl River Delta area ' , Atmospheric Environment , vol. 42 , no. 25 , pp. 6174-6186 . https://doi.org/10.1016/j.atmosenv.2008.01.067
dc.identifier.issn1352-2310
dc.identifier.urihttp://hdl.handle.net/2299/16225
dc.description.abstractHigh-level concentrations of air pollutants usually occur in autumn and winter over Peal River Delta (PRD), China. Atmospheric boundary layer observations were carried out at Qingyuan, Panyu and Xinken in PRD in October 2004. Wind speed, wind direction, air temperature and aerosol characteristics were measured by radio soundings and Raman LIDAR. The observational results showed that surface high-pressure system (anti-cyclone), descent motion outside of hurricane and sea breeze would result in the high-level concentrations. The averaged height of atmospheric boundary layer in nighttime was about 200 m, while in day time the maximal value was about 1200 m. The aerosol layer typically reached up to 1.5-3.0 km. The averaged aerosol optical depth was 0.91 at 532 nm wavelength and aerosol mainly originated from fossil fuel and biomass-burning emissions. The presence of anti-cyclone high-pressure systems and sea breeze lead to the formation of three inversion layers and two aerosol layers as well as quite specific vertical profiles of the wind velocity over Xinken station.en
dc.format.extent13
dc.language.isoeng
dc.relation.ispartofAtmospheric Environment
dc.subjectAtmospheric boundary layer
dc.subjectPRD
dc.subjectRadio soundings
dc.subjectRaman LIDAR
dc.subjectAtmospheric Science
dc.subjectGeneral Environmental Science
dc.subjectPollution
dc.titleMeteorological conditions and structures of atmospheric boundary layer in October 2004 over Pearl River Delta areaen
dc.contributor.institutionSchool of Physics, Astronomy and Mathematics
dc.description.statusPeer reviewed
rioxxterms.versionofrecord10.1016/j.atmosenv.2008.01.067
rioxxterms.typeJournal Article/Review
herts.preservation.rarelyaccessedtrue


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