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 discussions 2005-08, Vol.5 (4), p.6263-6293
Hauptverfasser: Broekhuizen, K, Chang, RY-W, Leaitch, W R, Li, S-M, Abbatt, JPD
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:1680-7367
1680-7375