Tropospheric OH and HO 2 radicals: field measurements and model comparisons
The hydroxyl radical, OH, initiates the removal of the majority of trace gases in the
atmosphere, and together with the closely coupled species, the hydroperoxy radical, HO2, is …
atmosphere, and together with the closely coupled species, the hydroperoxy radical, HO2, is …
An overview of snow photochemistry: evidence, mechanisms and impacts
It has been shown that sunlit snow and ice plays an important role in processing
atmospheric species. Photochemical production of a variety of chemicals has recently been …
atmospheric species. Photochemical production of a variety of chemicals has recently been …
Direct observations of atmospheric aerosol nucleation
Atmospheric nucleation is the dominant source of aerosol particles in the global atmosphere
and an important player in aerosol climatic effects. The key steps of this process occur in the …
and an important player in aerosol climatic effects. The key steps of this process occur in the …
Air-snow interactions and atmospheric chemistry
The presence of snow greatly perturbs the composition of near-surface polar air, and the
higher concentrations of hydroxyl radicals (OH) observed result in a greater oxidative …
higher concentrations of hydroxyl radicals (OH) observed result in a greater oxidative …
Measurement of OH and HO2 in the Troposphere
DE Heard, MJ Pilling - Chemical reviews, 2003 - ACS Publications
Volatile organic compounds (VOCs), emitted into the atmosphere, react with a range of
oxidants, of which the most important are OH, NO3, and ozone. Under most atmospheric …
oxidants, of which the most important are OH, NO3, and ozone. Under most atmospheric …
Sulfuric acid and OH concentrations in a boreal forest site
T Petäjä, RL Mauldin, III, E Kosciuch… - Atmospheric …, 2009 - acp.copernicus.org
As demonstrated in a number of investigations, gaseous sulfuric acid plays a central role in
atmospheric aerosol formation. Using chemical ionization mass spectrometer the gas-phase …
atmospheric aerosol formation. Using chemical ionization mass spectrometer the gas-phase …
Ion-induced sulfuric acid–ammonia nucleation drives particle formation in coastal Antarctica
T Jokinen, M Sipilä, J Kontkanen, V Vakkari, P Tisler… - Science …, 2018 - science.org
Formation of new aerosol particles from trace gases is a major source of cloud condensation
nuclei (CCN) in the global atmosphere, with potentially large effects on cloud optical …
nuclei (CCN) in the global atmosphere, with potentially large effects on cloud optical …
Snow physics as relevant to snow photochemistry
Snow on the ground is a complex multiphase photochemical reactor that dramatically
modifies the chemical composition of the overlying atmosphere. A quantitative description of …
modifies the chemical composition of the overlying atmosphere. A quantitative description of …
Model study of multiphase DMS oxidation with a focus on halogens
R Von Glasow, PJ Crutzen - Atmospheric Chemistry and Physics, 2004 - acp.copernicus.org
We studied the oxidation of dimethylsulfide (DMS) in the marine boundary layer (MBL) with a
one-dimensional numerical model and focused on the influence of halogens. Our model …
one-dimensional numerical model and focused on the influence of halogens. Our model …
Laboratory study on new particle formation from the reaction OH + SO2: influence of experimental conditions, H2O vapour, NH3 and the amine tert-butylamine on …
T Berndt, F Stratmann, M Sipilä… - Atmospheric …, 2010 - acp.copernicus.org
Nucleation experiments starting from the reaction of OH radicals with SO 2 have been
performed in the IfT-LFT flow tube under atmospheric conditions at 293±0.5 K for a relative …
performed in the IfT-LFT flow tube under atmospheric conditions at 293±0.5 K for a relative …