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  • Pandolfi, MarcoCSIC Institute of Environmental Assessment and Water Research (IDAEA) (author)

A European aerosol phenomenology-6 : scattering properties of atmospheric aerosol particles from 28 ACTRIS sites

  • Article/chapterEnglish2018

Publisher, publication year, extent ...

  • 2018-06-05
  • Copernicus GmbH,2018
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:su-157655
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-157655URI
  • https://doi.org/10.5194/acp-18-7877-2018DOI
  • https://lup.lub.lu.se/record/c048abc1-e32d-4eb7-865c-84482831204bURI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • This paper presents the light-scattering properties of atmospheric aerosol particles measured over the past decade at 28 ACTRIS observatories, which are located mainly in Europe. The data include particle light scattering (sigma(sp)) and hemispheric backscattering (sigma(bsp)) coefficients, scattering Angstrom exponent (SAE), backscatter fraction (BF) and asymmetry parameter (g). An increasing gradient of sigma(sp) is observed when moving from remote environments (arctic/mountain) to regional and to urban environments. At a regional level in Europe, sigma(sp) also increases when moving from Nordic and Baltic countries and from western Europe to central/eastern Europe, whereas no clear spatial gradient is observed for other station environments. The SAE does not show a clear gradient as a function of the placement of the station. However, a west-to-east-increasing gradient is observed for both regional and mountain placements, suggesting a lower fraction of fine-mode particle in western/south-western Europe compared to central and eastern Europe, where the fine-mode particles dominate the scattering. The g does not show any clear gradient by station placement or geographical location reflecting the complex relationship of this parameter with the physical properties of the aerosol particles. Both the station placement and the geographical location are important factors affecting the intraannual variability. At mountain sites, higher sigma(sp) and SAE values are measured in the summer due to the enhanced boundary layer influence and/or new particle-formation episodes. Conversely, the lower horizontal and vertical dispersion during winter leads to higher sigma(sp) values at all low-altitude sites in central and eastern Europe compared to summer. These sites also show SAE maxima in the summer (with corresponding g minima). At all sites, both SAE and g show a strong variation with aerosol particle loading. The lowest values of g are always observed together with low sigma(sp) values, indicating a larger contribution from particles in the smaller accumulation mode. During periods of high sigma(sp) values, the variation of g is less pronounced, whereas the SAE increases or decreases, suggesting changes mostly in the coarse aerosol particle mode rather than in the fine mode. Statistically significant decreasing trends of sigma(sp) are observed at 5 out of the 13 stations included in the trend analyses. The total reductions of sigma(sp) are consistent with those reported for PM2.5 and PM10 mass concentrations over similar periods across Europe.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Alados-Arboledas, LucasUniversity of Granada (author)
  • Alastuey, AndresCSIC Institute of Environmental Assessment and Water Research (IDAEA) (author)
  • Andrade, MarcosHigher University of San Andrés (author)
  • Angelov, ChristoInstitute for Nuclear Research and Nuclear Energy, BAS (author)
  • Artinano, BegonaCentro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT) (author)
  • Backman, JohnFinnish Meteorological Institute,University of Helsinki (author)
  • Baltensperger, UrsPaul Scherrer Institute (author)
  • Bonasoni, PaoloCNR Institute of Atmospheric Sciences and Climate (CNR-ISAC) (author)
  • Bukowiecki, NicolasPaul Scherrer Institute (author)
  • Coen, Martine CollaudFederal Office of Meteorology and Climatology (author)
  • Conil, SebastienAgence Nationale pour la gestion des Déchets RadioActifs (author)
  • Coz, EstherCentro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT) (author)
  • Crenn, VincentLaboratoire des Sciences du Climat et de l'Environnement,ADDAIR (author)
  • Dudoitis, VadimasCenter for Physical Sciences and Technology, Lithuania (author)
  • Ealo, MarinaCSIC Institute of Environmental Assessment and Water Research (IDAEA) (author)
  • Eleftheriadis, KostasNational Centre for Scientific Research Demokritos (author)
  • Favez, Olivier (author)
  • Fetfatzis, ProdromosNational Centre for Scientific Research Demokritos (author)
  • Fiebig, MarkusNorwegian Institute for Air Research (author)
  • Flentje, HaraldGerman Meteorological Service (DWD) (author)
  • Ginot, PatrickUniversity Grenoble Alpes (author)
  • Gysel, MartinPaul Scherrer Institute (author)
  • Henzing, BasNetherlands Organisation for Applied Scientific Research (Hague) (author)
  • Hoffer, AndrasUniversity of Pannonia,Hungarian Academy of Sciences (author)
  • Smejkalova, Adela HolubovaGlobal Change Research Centre of the Czech Academy of Sciences,Czech Hydrometeorological Institute (author)
  • Kalapov, IvoInstitute for Nuclear Research and Nuclear Energy, BAS (author)
  • Kalivitis, NikosUniversity of Crete,National Observatory of Athens (author)
  • Kouvarakis, GiorgosUniversity of Crete (author)
  • Kristensson, AdamLund University,Lunds universitet,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)nucl-akr (author)
  • Kulmala, MarkkuUniversity of Helsinki (author)
  • Lihavainen, HeikkiFinnish Meteorological Institute (author)
  • Lunder, ChrisNorwegian Institute for Air Research (author)
  • Luoma, KristaUniversity of Helsinki (author)
  • Lyamani, HassanUniversity of Granada (author)
  • Marinoni, AngelaCNR Institute of Atmospheric Sciences and Climate (CNR-ISAC) (author)
  • Mihalopoulos, NikosUniversity of Crete,National Observatory of Athens (author)
  • Moerman, MarcelNetherlands Organisation for Applied Scientific Research (Hague) (author)
  • Nicolas, JoseBlaise Pascal University (author)
  • O'Dowd, ColinNational University of Ireland Galway (author)
  • Petaja, TuukkaUniversity of Helsinki (author)
  • Petit, Jean-EudesLaboratoire des Sciences du Climat et de l'Environnement,French National Institute for Industrial Environment and Risks (author)
  • Pichon, Jean MarcBlaise Pascal University (author)
  • Prokopciuk, NinaCenter for Physical Sciences and Technology, Lithuania (author)
  • Putaud, Jean-PhilippeEuropean Commission Joint Research Centre, Ispra (author)
  • Rodriguez, SergioAgencia Estatal de Meteorologia (author)
  • Sciare, JeanLaboratoire des Sciences du Climat et de l'Environnement (author)
  • Sellegri, KarineBlaise Pascal University (author)
  • Swietlicki, ErikLund University,Lunds universitet,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)nucl-esw (author)
  • Titos, GloriaUniversity of Granada (author)
  • Tuch, ThomasLeibniz Institute for Tropospheric Research (TROPOS) (author)
  • Tunved, PeterStockholm University,Stockholms universitet,Institutionen för miljövetenskap och analytisk kemi(Swepub:su)tunve (author)
  • Ulevicius, VidmantasCenter for Physical Sciences and Technology, Lithuania (author)
  • Vaishya, AdityaVikram Sarabhai Space Centre,National University of Ireland Galway (author)
  • Vana, MilanGlobal Change Research Centre of the Czech Academy of Sciences,Czech Hydrometeorological Institute (author)
  • Virkkula, AkiUniversity of Helsinki (author)
  • Vratolis, StergiosNational Centre for Scientific Research Demokritos (author)
  • Weingartner, ErnestPaul Scherrer Institute (author)
  • Wiedensohler, AlfredLeibniz Institute for Tropospheric Research (TROPOS) (author)
  • Laj, PaoloCNR Institute of Atmospheric Sciences and Climate (CNR-ISAC),University of Helsinki,University Grenoble Alpes (author)
  • CSIC Institute of Environmental Assessment and Water Research (IDAEA)University of Granada (creator_code:org_t)

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  • In:Atmospheric Chemistry And Physics: Copernicus GmbH18:11, s. 7877-79111680-73161680-7324

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