Articles | Volume 16, issue 3
Atmos. Chem. Phys., 16, 1317–1330, 2016
Atmos. Chem. Phys., 16, 1317–1330, 2016
Research article
05 Feb 2016
Research article | 05 Feb 2016

Seasonal variations of ultra-fine and submicron aerosols in Taipei, Taiwan: implications for particle formation processes in a subtropical urban area

H. C. Cheung et al.

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Subject: Aerosols | Research Activity: Field Measurements | Altitude Range: Troposphere | Science Focus: Physics (physical properties and processes)
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Cited articles

Buzorius, G., McNaughton, C. S., Clarke, A. D., Covert, D. S., Blomquist, B., Nielsen, K., and Brechtel, F. J.: Secondary aerosol formation in continental outflow conditions during ACE-Asia, J. Geophys. Res., 109, D24203,, 2004.
Chen, S.-C., Hsu, S.-C., Tsai, C.-J., Chou, Charles, C.-K., Lin, N.-H., Lee, C.-T., Roam, G.-D., and Pui, D. Y. H.: Dynamic variations of ultrafine, fine and coarse particles at the Lu-Lin background site in East Asia, Atmos. Environ., 78, 154–162, 2013.
Cheng, Y.-H., Kao, Y.-Y., and Liu, J.-J.: Correlations between black carbon mass and size-resolved particle number concentrations in the Taipei urban area: A five-year long-term observation, Atmos. Pollut. Res., 5, 62–72, 2014.
Cheung, H. C., Wang, T., Baumann, K., and Guo, H.: Influence of regional pollution outflow on the concentrations of fine particulate matter and visibility in the coastal area of southern China, Atmos. Environ., 39, 6463–6474, 2005.
Short summary
This study investigated the properties of ultra-fine particles (UFPs) and submicron particles (PM1) in an east Asian urban area. The results indicate that the concentration of PM1 was elevated during cold seasons, whereas the highest concentration of UFPs was measured in summer. Moreover, UFPs were mostly composed of organics, whereas ammonium and sulfate were the major constituents of PM1. This study underlines the significance of secondary organic aerosols in UFPs.
Final-revised paper