In-depth characterization of submicron particulate matter inter-annual variations at a street canyon site in northern Europe

Atmospheric aerosols play an important role in air pollution. Aerosol particle chemical composition is highly variable depending on the season, hour of the day, day of the week, meteorology, and location of the measurement site. Long measurement periods and highly time-resolved data are required in...

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Veröffentlicht in:	Atmospheric chemistry and physics 2021-04, Vol.21 (8), p.6297-6314
Hauptverfasser:	Barreira, Luis M. F, Helin, Aku, Aurela, Minna, Teinilä, Kimmo, Friman, Milla, Kangas, Leena, Niemi, Jarkko V, Portin, Harri, Kousa, Anu, Pirjola, Liisa, Rönkkö, Topi, Saarikoski, Sanna, Timonen, Hilkka
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorptivity Aerosols Air pollution Air quality Annual variations Atmospheric aerosols Atmospheric physics Black carbon Chemical composition Chemical speciation Climate change Constituents Cultural heritage Diurnal variations Efficiency Environmental regulations Fossil fuels Instruments Interannual variability Long-range transport Mass Measurement Meteorology Mitigation Outdoor air quality Particle mass Particulate emissions Particulate matter Photometers Seasonal variations Seasonality Seasons Secondary aerosols Speciation Street canyons Suspended particulate matter Time measurement Trend analysis Ultrafines Urban air Urban air quality
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Zusammenfassung:	Atmospheric aerosols play an important role in air pollution. Aerosol particle chemical composition is highly variable depending on the season, hour of the day, day of the week, meteorology, and location of the measurement site. Long measurement periods and highly time-resolved data are required in order to achieve a statistically relevant amount of data for assessing those variations and evaluating pollution episodes. In this study, we present continuous atmospheric PM1 (particulate matter
ISSN:	1680-7324 1680-7316 1680-7324
DOI:	10.5194/acp-21-6297-2021