Closure between measured and modeled cloud condensation nuclei (CCN) using size-resolved aerosol compositions in downtown Toronto

Closure between measured and modeled cloud condensation nuclei (CCN) using size-resolved aerosol compositions in downtown Toronto

Measurements of cloud condensation nuclei (CCN) were made in downtown Toronto during August and September, 2003. CCN measurements were performed at 0.58% supersaturation using a thermal-gradient diffusion chamber, whereas the aerosol size distribution and composition were simultaneously measured wit...

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Veröffentlicht in:Atmospheric chemistry and physics 2006-06, Vol.6 (9), p.2513-2524
Hauptverfasser: Broekhuizen, K., Chang, R.Y.-W., Leaitch, W. R., Li, S.-M., Abbatt, J. P. D.
Format: Artikel
Sprache:eng
Schlagworte:
Ocean, Atmosphere
Sciences of the Universe
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Zusammenfassung:Measurements of cloud condensation nuclei (CCN) were made in downtown Toronto during August and September, 2003. CCN measurements were performed at 0.58% supersaturation using a thermal-gradient diffusion chamber, whereas the aerosol size distribution and composition were simultaneously measured with a TSI SMPS and APS system and an Aerodyne Aerosol Mass Spectrometer (AMS), respectively. Aerosol composition data shows that the particles were predominately organic in nature, in particular for those with a vacuum aerodynamic diameter of
ISSN:1680-7324
1680-7316
1680-7324
DOI:10.5194/acp-6-2513-2006