New particle formation and growth during summer in an urban environment: a dual chamber study

Nucleation and subsequent growth are a major source of new particles in many environments, but the pollutants involved and the details of the corresponding processes are still under debate. While sulfuric acid has a major role in new particle formation under a lot of conditions, the role of ammonia,...

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Bibliographic Details
Published in:Atmospheric chemistry and physics 2023-01, Vol.23 (1), p.85-97
Main Authors: Jorga, Spiro D, Florou, Kalliopi, Patoulias, David, Pandis, Spyros N
Format: Article
Language:English
Subjects:
Aerosol dynamics
Amines
Ammonia
Atmosphere
Atmospheric aerosols
Chambers
Chemical speciation
Climate change
Experiments
Growth rate
Nucleation
Particle formation
Pollutants
Simulation methods
Sulfur
Sulfur compounds
Sulfur dioxide
Sulfuric acid
Sulphur
Sulphur dioxide
Sulphuric acid
Urban environments
Vapors
Weather
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Summary:Nucleation and subsequent growth are a major source of new particles in many environments, but the pollutants involved and the details of the corresponding processes are still under debate. While sulfuric acid has a major role in new particle formation under a lot of conditions, the role of ammonia, amines, and organic vapors is less clear. In most continental areas, new particle formation is quite frequent especially on relatively clean, sunny days when there is some sulfur dioxide available. In parts of the Eastern Mediterranean even if all the previous requirements are satisfied, new particle formation events are relatively rare during summertime.
ISSN:1680-7324
1680-7316
1680-7324
DOI:10.5194/acp-23-85-2023