Yield of SO2 and formation of aerosol in the photo-oxidation of DMS under atmospheric conditions

Methanesulfonic acid and non-sea-salt sulfate in pacific air: Regional and seasonal variations

“…However, because there are no other known sources of MSA in marine air, it is a potentially useful tracer for oceanic emissions and atmospheric reaction pathways of organosulfur compounds. The size distribution of aerosol MSA is similar to that of nss sulfate; both are found predominantly on small particles as a result of hydration, nucleation, and coagulation processes (Saltzman et al, 1983;Hatakeyama et al, 1985). Consequently, MSA and nss sulfate will have similar depositional characteristics, and ambient MSA/nss sulfate ratios should reflect the composition of the sulfur source, rather than aerosol removal processes.…”

Low molecular weight (C1–C10) monocarboxylic acids, dissolved organic carbon and major inorganic ions in alpine snow pit sequence from a high mountain site, central Japan

“…Because MSA is a photochemically produced by the oxidation of dimethyl sulfide (DMS) that is mainly emitted from marine biological activity (Hatakeyama et al, 1985), these organic acids may be of marine biological origin. As iso C 4 acid showed strong correlations with C 3 , C 4 and C 6 acids (Table 4), these monocarboxylic acids may be associated with bacterial activity.…”

The Effect of Continental Air Mass on the Modification of Individual Sea-Salt Particles Collected over the Coast and the Open Sea

“…The emission of biogenic dimethylsulfide ((CH3)2S, DMS) from the oceans to the atmosphere has been documented as a major natural source in the atmospheric sulfur budget (e.g., Lovelock et al, 1972;Hatakeyama et al, 1985;Parungo et al, 1986b;Andreae et al, 1988). Laboratory experiments have shown that the DMS is an important precursor for SO2 and methanesulfonic acid (CH3SO2 (OH), MSA).…”