Abstract
In this study, the Cloud Condensation Nuclei (CCN) activation properties of the urban aerosol in Vienna, Austria, were investigated in a long term (11 month) field study. Filter samples of the aerosol below 100 nm were taken in parallel to these measurements, and later used to generate "synthetic ambient" aerosols. Activation parameters of this "synthetic ambient" aerosol were also obtained. Hygroscopicity parameters κ [1] were calculated both for the urban and the "synthetic ambient" aerosol and also from the chemical composition. Average κ for the "synthetic ambient" aerosol ranged from 0.20 to 0.30 with an average value of 0.24, while the κ from the chemical composition of this "synthetic ambient" aerosol was significantly higher (average 0.43). The full results of the study are given elsewhere [2,3].
| Original language | English |
|---|---|
| Title of host publication | NUCLEATION AND ATMOSPHERIC AEROSOLS: 19th International Conference |
| Editors | PJ DeMott, CD ODowd |
| Place of Publication | MELVILLE |
| Publisher | American Institute of Physics |
| Pages | 808-811 |
| Number of pages | 4 |
| ISBN (Print) | 978-0-7354-1152-4 |
| DOIs | |
| Publication status | Published - 2013 |
| Event | 19th International Conference on Nucleation and Atmospheric Aerosols (ICNAA) - Fort Collins, Colorado State University, Fort Collins, Colombia Duration: 23 Jun 2013 → 28 Jun 2013 http://chem.atmos.colostate.edu/icnaa/ |
Publication series
| Series | AIP Conference Proceedings |
|---|---|
| Volume | 1527 |
| ISSN | 0094-243X |
Conference
| Conference | 19th International Conference on Nucleation and Atmospheric Aerosols (ICNAA) |
|---|---|
| Country/Territory | Colombia |
| City | Fort Collins |
| Period | 23/06/13 → 28/06/13 |
| Internet address |
Austrian Fields of Science 2012
- 207107 Air pollution control
- 1030 Physics, Astronomy
- 103008 Experimental physics
- 105904 Environmental research
Keywords
- CCN
- ultrafine particles
- ambient aerosol
- PARTICLES
- VIENNA
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