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Impact of the 2009 Attica wild fires on the air quality in urban Athens

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dc.contributor.author Amiridis, V en
dc.contributor.author Zerefos, C en
dc.contributor.author Kazadzis, S en
dc.contributor.author Gerasopoulos, E en
dc.contributor.author Eleftheratos, K en
dc.contributor.author Vrekoussis, M en
dc.contributor.author Stohl, A en
dc.contributor.author Mamouri, RE en
dc.contributor.author Kokkalis, P en
dc.contributor.author Papayannis, A en
dc.contributor.author Eleftheriadis, K en
dc.contributor.author Diapouli, E en
dc.contributor.author Keramitsoglou, I en
dc.contributor.author Kontoes, C en
dc.contributor.author Kotroni, V en
dc.contributor.author Lagouvardos, K en
dc.contributor.author Marinou, E en
dc.contributor.author Giannakaki, E en
dc.contributor.author Kostopoulou, E en
dc.contributor.author Giannakopoulos, C en
dc.contributor.author Richter, A en
dc.contributor.author Burrows, JP en
dc.contributor.author Mihalopoulos, N en
dc.date.accessioned 2014-03-01T02:09:19Z
dc.date.available 2014-03-01T02:09:19Z
dc.date.issued 2012 en
dc.identifier.issn 13522310 en
dc.identifier.uri http://hdl.handle.net/123456789/29811
dc.subject Aerosol en
dc.subject Biomass burning en
dc.subject Photochemistry en
dc.subject Pollution en
dc.subject Radiation en
dc.subject.other Aerosol optical depths en
dc.subject.other Aerosol optical property en
dc.subject.other Air quality measurements en
dc.subject.other Biomass burning en
dc.subject.other Free troposphere en
dc.subject.other Gaseous phase en
dc.subject.other Ground based en
dc.subject.other In-situ en
dc.subject.other Lidar measurements en
dc.subject.other Lidar ratio en
dc.subject.other Meteorological data en
dc.subject.other Photochemical process en
dc.subject.other Single scattering albedo en
dc.subject.other Smoke dispersion en
dc.subject.other Smoke particles en
dc.subject.other Smoke plume en
dc.subject.other Solar irradiances en
dc.subject.other Surface radiation en
dc.subject.other Typical urban en
dc.subject.other Typical values en
dc.subject.other UV wavelength ranges en
dc.subject.other Wild fire en
dc.subject.other Aerosols en
dc.subject.other Air quality en
dc.subject.other Atmospherics en
dc.subject.other Heat radiation en
dc.subject.other Meteorology en
dc.subject.other Optical properties en
dc.subject.other Optical radar en
dc.subject.other Photochemical reactions en
dc.subject.other Pollution en
dc.subject.other Satellite imagery en
dc.subject.other Smoke en
dc.subject.other Solar radiation en
dc.subject.other Atmospheric aerosols en
dc.subject.other advection en
dc.subject.other aerosol en
dc.subject.other air quality en
dc.subject.other albedo en
dc.subject.other atmospheric pollution en
dc.subject.other biomass burning en
dc.subject.other brightness temperature en
dc.subject.other clear sky en
dc.subject.other dispersion en
dc.subject.other in situ measurement en
dc.subject.other irradiance en
dc.subject.other lidar en
dc.subject.other meteorology en
dc.subject.other photochemistry en
dc.subject.other photometer en
dc.subject.other remote sensing en
dc.subject.other satellite imagery en
dc.subject.other scattering en
dc.subject.other smoke en
dc.subject.other solar radiation en
dc.subject.other troposphere en
dc.subject.other ultraviolet radiation en
dc.subject.other urban area en
dc.subject.other wildfire en
dc.subject.other aerosol en
dc.subject.other air quality en
dc.subject.other article en
dc.subject.other attica wild fire en
dc.subject.other fire en
dc.subject.other Greece en
dc.subject.other imagery en
dc.subject.other meteorology en
dc.subject.other optics en
dc.subject.other photometry en
dc.subject.other priority journal en
dc.subject.other radiation en
dc.subject.other smoke en
dc.subject.other solar radiation en
dc.subject.other urban area en
dc.subject.other Athens [Attica] en
dc.subject.other Attica en
dc.subject.other Greece en
dc.title Impact of the 2009 Attica wild fires on the air quality in urban Athens en
heal.type journalArticle en
heal.identifier.primary 10.1016/j.atmosenv.2011.07.056 en
heal.identifier.secondary http://dx.doi.org/10.1016/j.atmosenv.2011.07.056 en
heal.publicationDate 2012 en
heal.abstract At the end of August 2009, wild fires ravaged the north-eastern fringes of Athens destroying invaluable forest wealth of the Greek capital. In this work, the impact of these fires on the air quality of Athens and surface radiation levels is examined. Satellite imagery, smoke dispersion modeling and meteorological data confirm the advection of smoke under cloud-free conditions over the city of Athens. Lidar measurements showed that the smoke plume dispersed in the free troposphere and lofted over the city reaching heights between 2 and 4 km. Ground-based sunphotometric measurements showed extreme aerosol optical depth, reaching nearly 6 in the UV wavelength range, accompanied by a reduction up to 70% of solar irradiance at ground. The intensive aerosol optical properties, namely the ångström exponent, the lidar ratio, and the single scattering albedo, showed typical values for highly absorbing fresh smoke particles. In-situ air quality measurements revealed the impact of the smoke plume down to the surface with a slight delay on both the particulate and gaseous phase. Surface aerosols increase was encountered mainly in the fine mode with prominent elevation of OC and EC levels. Photochemical processes, studied via NOx titration of O3, were also shown to be different compared to typical urban photochemistry. © 2011 Elsevier Ltd. en
heal.journalName Atmospheric Environment en
dc.identifier.doi 10.1016/j.atmosenv.2011.07.056 en
dc.identifier.volume 46 en
dc.identifier.spage 536 en
dc.identifier.epage 544 en


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