| Autor: |
Daniela Řimnáčová, Jiří Smolík, Martin Řimnáč, Jaroslav Schwarz, Vladimír Ždímal |
| Rok vydání: |
2011 |
| Předmět: |
|
| Zdroj: |
Atmospheric Research. 101:539-552 |
| ISSN: |
0169-8095 |
| DOI: |
10.1016/j.atmosres.2010.10.024 |
| Popis: |
The paper summarizes the results of a 2-year-long continuous sampling by SMPS and APS spectrometers at the suburban background site in Prague, Suchdol. The campaign was aimed to study the particle number size distributions and their dynamic behavior. It was found that the average total particle number concentration was 7.3 × 10 3 particles/cm 3 . The size distributions were often bimodal. The peaks occurring in the accumulation (> 100 nm) and Aitken size range (25–100 nm) were sometimes overlapping each other. When new particles were formed, the peak in the nucleation size range ( 10 = 2.6 cm −3 s −1 and the growth rate GR 10 = 5.4 nm h − 1 . The paper also compares features of all the different situations and events observed, including typical clean days, days dominated by traffic related aerosols (during rush hours) or days characterized by local pollution events. On clean days, the average background particle number concentration was 4 × 10 3 particles/cm 3 . On days with anthropogenic pollution, higher than average particle number concentrations were recorded throughout the whole size range with the total average concentration 20 × 10 3 particles/cm 3 . |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
|
Full Text from ScienceDirect