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A European aerosol ...
A European aerosol phenomenology-6 : scattering properties of atmospheric aerosol particles from 28 ACTRIS sites
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- Pandolfi, Marco (författare)
- CSIC Institute of Environmental Assessment and Water Research (IDAEA)
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- Alados-Arboledas, Lucas (författare)
- University of Granada
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- Alastuey, Andres (författare)
- CSIC Institute of Environmental Assessment and Water Research (IDAEA)
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- Andrade, Marcos (författare)
- Higher University of San Andrés
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- Angelov, Christo (författare)
- Institute for Nuclear Research and Nuclear Energy, BAS
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- Artinano, Begona (författare)
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT)
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- Backman, John (författare)
- Finnish Meteorological Institute,University of Helsinki
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- Baltensperger, Urs (författare)
- Paul Scherrer Institute
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- Bonasoni, Paolo (författare)
- CNR Institute of Atmospheric Sciences and Climate (CNR-ISAC)
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- Bukowiecki, Nicolas (författare)
- Paul Scherrer Institute
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- Coen, Martine Collaud (författare)
- Federal Office of Meteorology and Climatology
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- Conil, Sebastien (författare)
- Agence Nationale pour la gestion des Déchets RadioActifs
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- Coz, Esther (författare)
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT)
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- Crenn, Vincent (författare)
- Laboratoire des Sciences du Climat et de l'Environnement,ADDAIR
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- Dudoitis, Vadimas (författare)
- Center for Physical Sciences and Technology, Lithuania
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- Ealo, Marina (författare)
- CSIC Institute of Environmental Assessment and Water Research (IDAEA)
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- Eleftheriadis, Kostas (författare)
- National Centre for Scientific Research Demokritos
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Favez, Olivier (författare)
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- Fetfatzis, Prodromos (författare)
- National Centre for Scientific Research Demokritos
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- Fiebig, Markus (författare)
- Norwegian Institute for Air Research
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- Flentje, Harald (författare)
- German Meteorological Service (DWD)
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- Ginot, Patrick (författare)
- University Grenoble Alpes
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- Gysel, Martin (författare)
- Paul Scherrer Institute
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- Henzing, Bas (författare)
- Netherlands Organisation for Applied Scientific Research (Hague)
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- Hoffer, Andras (författare)
- University of Pannonia,Hungarian Academy of Sciences
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- Smejkalova, Adela Holubova (författare)
- Global Change Research Centre of the Czech Academy of Sciences,Czech Hydrometeorological Institute
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- Kalapov, Ivo (författare)
- Institute for Nuclear Research and Nuclear Energy, BAS
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- Kalivitis, Nikos (författare)
- University of Crete,National Observatory of Athens
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- Kouvarakis, Giorgos (författare)
- University of Crete
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- Kristensson, Adam (författare)
- Lund University,Lunds universitet,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Kulmala, Markku (författare)
- University of Helsinki
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- Lihavainen, Heikki (författare)
- Finnish Meteorological Institute
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- Lunder, Chris (författare)
- Norwegian Institute for Air Research
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- Luoma, Krista (författare)
- University of Helsinki
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- Lyamani, Hassan (författare)
- University of Granada
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- Marinoni, Angela (författare)
- CNR Institute of Atmospheric Sciences and Climate (CNR-ISAC)
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- Mihalopoulos, Nikos (författare)
- University of Crete,National Observatory of Athens
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- Moerman, Marcel (författare)
- Netherlands Organisation for Applied Scientific Research (Hague)
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- Nicolas, Jose (författare)
- Blaise Pascal University
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- O'Dowd, Colin (författare)
- National University of Ireland Galway
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- Petaja, Tuukka (författare)
- University of Helsinki
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- Petit, Jean-Eudes (författare)
- Laboratoire des Sciences du Climat et de l'Environnement,French National Institute for Industrial Environment and Risks
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- Pichon, Jean Marc (författare)
- Blaise Pascal University
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- Prokopciuk, Nina (författare)
- Center for Physical Sciences and Technology, Lithuania
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- Putaud, Jean-Philippe (författare)
- European Commission Joint Research Centre, Ispra
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- Rodriguez, Sergio (författare)
- Agencia Estatal de Meteorologia
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- Sciare, Jean (författare)
- Laboratoire des Sciences du Climat et de l'Environnement
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- Sellegri, Karine (författare)
- Blaise Pascal University
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- Swietlicki, Erik (författare)
- Lund University,Lunds universitet,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Titos, Gloria (författare)
- University of Granada
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- Tuch, Thomas (författare)
- Leibniz Institute for Tropospheric Research (TROPOS)
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- Tunved, Peter (författare)
- Stockholm University,Stockholms universitet,Institutionen för miljövetenskap och analytisk kemi
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- Ulevicius, Vidmantas (författare)
- Center for Physical Sciences and Technology, Lithuania
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- Vaishya, Aditya (författare)
- Vikram Sarabhai Space Centre,National University of Ireland Galway
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- Vana, Milan (författare)
- Global Change Research Centre of the Czech Academy of Sciences,Czech Hydrometeorological Institute
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- Virkkula, Aki (författare)
- University of Helsinki
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- Vratolis, Stergios (författare)
- National Centre for Scientific Research Demokritos
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- Weingartner, Ernest (författare)
- Paul Scherrer Institute
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- Wiedensohler, Alfred (författare)
- Leibniz Institute for Tropospheric Research (TROPOS)
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- Laj, Paolo (författare)
- CNR Institute of Atmospheric Sciences and Climate (CNR-ISAC),University of Helsinki,University Grenoble Alpes
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(creator_code:org_t)
- 2018-06-05
- 2018
- Engelska.
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Ingår i: Atmospheric Chemistry And Physics. - : Copernicus GmbH. - 1680-7316 .- 1680-7324. ; 18:11, s. 7877-7911
- Relaterad länk:
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https://doi.org/10.5...
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https://acp.copernic...
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http://dx.doi.org/10... (free)
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https://urn.kb.se/re...
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https://doi.org/10.5...
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https://lup.lub.lu.s...
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Abstract
Ämnesord
Stäng
- 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.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Meteorologi och atmosfärforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Meteorology and Atmospheric Sciences (hsv//eng)
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Pandolfi, Marco
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Alados-Arboledas ...
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Alastuey, Andres
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Andrade, Marcos
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Angelov, Christo
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Artinano, Begona
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visa fler...
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Backman, John
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Baltensperger, U ...
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Bonasoni, Paolo
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Bukowiecki, Nico ...
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Coen, Martine Co ...
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Conil, Sebastien
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Coz, Esther
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Crenn, Vincent
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Dudoitis, Vadima ...
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Ealo, Marina
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Eleftheriadis, K ...
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Favez, Olivier
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Fetfatzis, Prodr ...
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Fiebig, Markus
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Flentje, Harald
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Ginot, Patrick
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Gysel, Martin
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Henzing, Bas
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Hoffer, Andras
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Smejkalova, Adel ...
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Kalapov, Ivo
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Kalivitis, Nikos
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Kouvarakis, Gior ...
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Kristensson, Ada ...
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Kulmala, Markku
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Lihavainen, Heik ...
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Lunder, Chris
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Luoma, Krista
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Lyamani, Hassan
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Marinoni, Angela
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Mihalopoulos, Ni ...
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Moerman, Marcel
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Nicolas, Jose
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O'Dowd, Colin
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Petaja, Tuukka
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Petit, Jean-Eude ...
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Pichon, Jean Mar ...
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Prokopciuk, Nina
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Putaud, Jean-Phi ...
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Rodriguez, Sergi ...
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Sciare, Jean
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Sellegri, Karine
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Swietlicki, Erik
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Titos, Gloria
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Tuch, Thomas
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Tunved, Peter
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Ulevicius, Vidma ...
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Vaishya, Aditya
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Vana, Milan
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Virkkula, Aki
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Vratolis, Stergi ...
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Weingartner, Ern ...
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Wiedensohler, Al ...
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Laj, Paolo
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