Zobrazeno 1 - 10
of 25
pro vyhledávání: '"D. R. Cocker"'
Publikováno v:
Atmospheric Measurement Techniques, Vol 17, Pp 4227-4243 (2024)
Liquid water in cloud droplets and aqueous aerosols serves as an important reaction medium for the formation of secondary aerosol through aqueous-phase reactions (aqSA). Large uncertainties remain in estimates of the production and chemical evolution
Externí odkaz:
https://doaj.org/article/e7006c17680b46ba94ef89029639d366
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 3131-3147 (2022)
While camphene is one of the dominant monoterpenes measured in biogenic and pyrogenic emission samples, oxidation of camphene has not been well-studied in environmental chambers and very little is known about its potential to form secondary organic a
Externí odkaz:
https://doaj.org/article/01f06ee818f14b4b8b4e0c607a8c0760
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 917-928 (2022)
Decamethylcyclopentasiloxane (D5, C10H30O5Si5) is measured at parts per trillion (ppt) levels outdoors and parts per billion (ppb) levels indoors. Primarily used in personal care products, its outdoor concentration is correlated to population density
Externí odkaz:
https://doaj.org/article/746cd61740084fce8dcd363775668c2b
Publikováno v:
Atmospheric Chemistry and Physics, Vol 16, Pp 10793-10808 (2016)
The molecular structure of volatile organic compounds determines their oxidation pathway, directly impacting secondary organic aerosol (SOA) formation. This study comprehensively investigates the impact of molecular structure on SOA formation from
Externí odkaz:
https://doaj.org/article/d4355c9553554798bc1b7e7381d25e1b
Publikováno v:
Atmospheric Chemistry and Physics, Vol 16, Pp 2255-2272 (2016)
Substitution of methyl groups onto the aromatic ring determines the secondary organic aerosol (SOA) formation from the monocyclic aromatic hydrocarbon precursor (SOA yield and chemical composition). This study links the number of methyl groups on
Externí odkaz:
https://doaj.org/article/e2f340ad95124009bf3f2f5b4d1363df
Autor:
X. Tang, D. Price, E. Praske, D. N. Vu, K. Purvis-Roberts, P. J. Silva, D. R. Cocker III, A. Asa-Awuku
Publikováno v:
Atmospheric Chemistry and Physics, Vol 14, Iss 12, Pp 5959-5967 (2014)
Aliphatic amines can form secondary aerosol via oxidation with atmospheric radicals (e.g., hydroxyl radical and nitrate radical). The particle can contain both secondary organic aerosol (SOA) and inorganic salts. The ratio of organic to inorganic mat
Externí odkaz:
https://doaj.org/article/7da89fed364d494e87e6efb5fa2a392f
Autor:
R. J. Yokelson, I. R. Burling, J. B. Gilman, C. Warneke, C. E. Stockwell, J. de Gouw, S. K. Akagi, S. P. Urbanski, P. Veres, J. M. Roberts, W. C. Kuster, J. Reardon, D. W. T. Griffith, T. J. Johnson, S. Hosseini, J. W. Miller, D. R. Cocker III, H. Jung, D. R. Weise
Publikováno v:
Atmospheric Chemistry and Physics, Vol 13, Iss 1, Pp 89-116 (2013)
An extensive program of experiments focused on biomass burning emissions began with a laboratory phase in which vegetative fuels commonly consumed in prescribed fires were collected in the southeastern and southwestern US and burned in a series of 71
Externí odkaz:
https://doaj.org/article/8e49ca16a7cc445dba67321098a40eb9
Publikováno v:
Atmospheric Chemistry and Physics, Vol 12, Iss 18, Pp 8377-8388 (2012)
Secondary organic aerosol (SOA) was formed in an environmental reaction chamber from the ozonolysis of β-caryophyllene (β-C) at low concentrations (5 ppb or 20 ppb). Experimental parameters were varied to characterize the effects of hydroxyl radica
Externí odkaz:
https://doaj.org/article/5eadc1659b70437aaaeba843dad0cb78
Publikováno v:
Atmospheric Chemistry and Physics, Vol 12, Iss 9, Pp 3927-3937 (2012)
This study evaluates the significance of glyoxal acting as an intermediate species leading to secondary organic aerosol (SOA) formation from aromatic hydrocarbon photooxidation under humid conditions. Rapid SOA formation from glyoxal uptake onto aque
Externí odkaz:
https://doaj.org/article/ce89ac9781d74dc5a386d29d64ec8e10
Publikováno v:
Atmospheric Chemistry and Physics, Vol 11, Iss 14, Pp 7301-7317 (2011)
Secondary organic aerosol (SOA) formation from atmospheric oxidation of isoprene has been the subject of multiple studies in recent years; however, reactions of other conjugated dienes emitted from anthropogenic sources remain poorly understood. SOA
Externí odkaz:
https://doaj.org/article/9ea8857899d34b4f9d3d8b3f6c79f221