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Phenomenology of summer ozone episodes over the Madrid Metropolitan Area, central Spain
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dc.contributor.authorQuerol, Xavieres_ES
dc.contributor.authorAlastuey, Andréses_ES
dc.contributor.authorGangoiti, Gotzones_ES
dc.contributor.authorPérez, Noemíes_ES
dc.contributor.authorLee, Hong K.es_ES
dc.contributor.authorEun, Heeram R.es_ES
dc.contributor.authorPark, Yongheees_ES
dc.contributor.authorMantilla, Enriquees_ES
dc.contributor.authorEscudero, Migueles_ES
dc.contributor.authorTitos, Gloriaes_ES
dc.contributor.authorAlonso, Lucioes_ES
dc.contributor.authorTemime-Roussel, Bricees_ES
dc.contributor.authorMarchand, Nicolases_ES
dc.contributor.authorMoreta González, Juan Ramónes_ES
dc.contributor.authorRevuelta, María Aránzazues_ES
dc.contributor.authorSalvador, Pedroes_ES
dc.contributor.authorArtíñano, Begoñaes_ES
dc.contributor.authorDos Santos García, S.es_ES
dc.contributor.authorAnguas, Mónicaes_ES
dc.contributor.authorNotario, Albertoes_ES
dc.contributor.authorSaiz-Lopez, Alfonsoes_ES
dc.contributor.authorHarrison, Roy M.es_ES
dc.contributor.authorMillán, Millánes_ES
dc.contributor.authorAhn, Kang-Hoes_ES
dc.identifier.citationAtmospheric Chemistry and Physics. 2018, 18(9), p. 6511–6533es_ES
dc.descriptionThe present work was supported by the Spanish Ministry of Agriculture, Fishing, Food and Environment, the Madrid City Council and Madrid Regional Government, and by the Ministry of Economy, Industry and Competitiveness and FEDER funds under the project HOUSE (CGL2016-78594-R) and the Generalitat de Catalunya (AGAUR 2017 SGR41). Part of this research was supported by the Korea Ministry of Environment through “The Eco-Innovation project”. Support is also acknowledged from the CUD of Zaragoza (project CUD 2016-05), UPV/EHU (UFI 11/47, GIU 16/03), the project PROACLIM CGL2014-52877-R, the City Council of Majadahonda for logistic support, AEMET for providing surface meteorological data, and data from radio soundings and ozone free soundings.es_ES
dc.description.abstractVarious studies have reported that the photochemical nucleation of new ultrafine particles (UFPs) in urban environments within high insolation regions occurs simultaneously with high ground ozone (O3) levels. In this work, we evaluate the atmospheric dynamics leading to summer O3 episodes in the Madrid air basin (central Iberia) by means of measuring a 3-D distribution of concentrations for both pollutants. To this end, we obtained vertical profiles (up to 1200 m above ground level) using tethered balloons and miniaturised instrumentation at a suburban site located to the SW of the Madrid Metropolitan Area (MMA), the Majadahonda site (MJDH), in July 2016. Simultaneously, measurements of an extensive number of air quality and meteorological parameters were carried out at three supersites across the MMA. Furthermore, data from O3 soundings and daily radio soundings were also used to interpret atmospheric dynamics. The results demonstrate the concatenation of venting and accumulation episodes, with relative lows (venting) and peaks (accumulation) in O3 surface levels. Regardless of the episode type, the fumigation of high-altitude O3 (arising from a variety of origins) contributes the major proportion of surface O3 concentrations. Accumulation episodes are characterised by a relatively thinner planetary boundary layer (< 1500 m at midday, lower in altitude than the orographic features), light synoptic winds, and the development of mountain breezes along the slopes of the Guadarrama Mountain Range (located W and NW of the MMA, with a maximum elevation of > 2400 m a.s.l.). This orographic–meteorological setting causes the vertical recirculation of air masses and enrichment of O3 in the lower tropospheric layers. When the highly polluted urban plume from Madrid is affected by these dynamics, the highest Ox (O3+ NO2) concentrations are recorded in the MMA.es_ES
dc.publisherEuropean Geosciences Uniones_ES
dc.rightsLicencia CC: Reconocimiento CC BYes_ES
dc.subjectPhotochemical nucleationes_ES
dc.subjectUltrafine particleses_ES
dc.titlePhenomenology of summer ozone episodes over the Madrid Metropolitan Area, central Spaines_ES
Appears in Collections:Artículos científicos 2015-2018

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