[PDF] Top 20 Modeling biogenic and anthropogenic secondary organic aerosol in China
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Modeling biogenic and anthropogenic secondary organic aerosol in China
... (OLGM), and surface irreversible uptake of IEPOX, MAE, GLY and ...SEMI and OLGM pathways are considered traditional because they are included in the default CMAQ aerosol module ...−3 ... See full document
16
Determination of the biogenic secondary organic aerosol fraction in the boreal forest by AMS and NMR measurements
... (Milli-Q) in a sonication bath for 1 h and the water extract was filtered on PTFE mem- branes (pore size: ...µm) in order to remove suspended ...water-soluble organic carbon (WSOC) ... See full document
44
Gas phase precursors to anthropogenic secondary organic aerosol: detailed observations of 1,3,5-trimethylbenzene photooxidation
... made in our understanding of SOA composition and the role of relatively low molecular mass species in aerosol ...20 and 50% of SOA mass could be comprised of large multi-functional ... See full document
31
Determination of the biogenic secondary organic aerosol fraction in the boreal forest by NMR spectroscopy
... linkages and n-butyl chains, showing a spectrum similar to commercial ...ether and of 2-butoxyethyl acetate (Sigma-Aldrich online NMR ...absent in blank samples, thus ex- cluding any filter ... See full document
19
Modeling of secondary organic aerosol yields from laboratory chamber data
... 1) and the amount of water present in the particle phase is not significant under dry conditions (<5%–40% ...Bilde and Pandis (2001) measured the vapor pressure of semivolatile products formed ... See full document
33
Global modeling of secondary organic aerosol formation from aromatic hydrocarbons: high- vs. low-yield pathways
... 2006). In Europe, the importance of anthropogenic SOA in winter and biogenic SOA in the summer is in general agreement with recent findings (Simpson et ...the ... See full document
16
Diurnally resolved particulate and VOC measurements at a rural site: indication of significant biogenic secondary organic aerosol formation
... oxygenated organic aerosol ...precursor and organic aerosol amounts are directly measured, without the need for an emissions ...precursors and the rate constants for ... See full document
16
Glyoxal processing by aerosol multiphase chemistry: towards a kinetic modeling framework of secondary organic aerosol formation in aqueous particles
... the organic mass formation rates as observed in photochemical experiments (Volkamer et ...seed aerosol has been calculated by the aerosol inorganic model (AIM) (Clegg and Brimblecombe, ... See full document
26
Emissions of terpenoids, benzenoids, and other biogenic gas-phase organic compounds from agricultural crops and their potential implications for air quality
... Lindcove and Bakersfield sites, comparisons of bio- genic to anthropogenic burdens of gas-phase organic car- bon were done using chemical mass balance source receptor modeling methods (Gentner ... See full document
21
The hygroscopicity parameter (κ) of ambient organic aerosol at a field site subject to biogenic and anthropogenic influences: Relationship to degree of aerosol oxidation
... steel and copper inlet ≈3 m from the main inlet with a residence time of ≈15 ...uncertainties in collection efficiency due to the possibility of particle bounce at the vaporizer ... See full document
38
J. Braz. Chem. Soc. vol.16 número5
... the secondary organic ...study in situ the aerosol composition, particularly in the photo-oxidation products of biogenic volatile organic compounds, taking into ... See full document
13
Observation of biogenic secondary organic aerosols in the atmosphere of a mountain site in central China: temperature and relative humidity effects
... easterly and northerly ...groups and compared for the differences in concentrations and compositions (Ta- ble ...the anthropogenic species ...acids and levoglucosan) pre- sented ... See full document
15
Fungal spores overwhelm biogenic organic aerosols in a midlatitudinal forest
... particles and gases emitted from various vegetation types affect earth climate, biogeochemical cycles of carbon and nitrogen, air quality and human ...fungal and fern spores, bacteria, ... See full document
10
A mass spectrometric study of secondary organic aerosols formed from the photooxidation of anthropogenic and biogenic precursors in a reaction chamber
... The aim is to eval- uate how the mass spectral signatures of the photooxidation products of 1,3,5-TMB and α -pinene observed in this study compare to mass spectral signatures of the aero[r] ... See full document
15
Linking biogenic hydrocarbons to biogenic aerosol in the Borneo rainforest
... U., and Jimenez, J. L.: O/C and OM/OC ratios of primary, secondary, and ambient organic aerosols with high- resolution time-of-flight aerosol mass spectrometry, ... See full document
29
Secondary Organic Aerosol from biogenic VOCs over West Africa during AMMA
... Niamey in the north of the operating region. A very clean aerosol background was observed across the re- gion and organic aerosols were detected over forested ...rural and there are no ... See full document
26
Evaluation of anthropogenic secondary organic aerosol tracers from aromatic hydrocarbons
... OC in this study ranged 0.3–7 % and averaged 2.2 ± 1.6 %. In other studies, the concentration of toluene SOC was variable and influenced by seasonal variations and local emission ... See full document
13
Real-time, controlled OH-initiated oxidation of biogenic secondary organic aerosol
... A., and Jimenez, J. L.: Effects of aging on organic aerosol from open biomass burning smoke in aircraft and laboratory studies, ... See full document
42
Aerosol size distribution and radiative forcing response to anthropogenically driven historical changes in biogenic secondary organic aerosol formation
... concentrations and radiative forcing. The large decrease in CCN due to land-use changes over the past millennium appears to be a largely overlooked and important an- thropogenic aerosol e ... See full document
52
Aerosol size distribution and radiative forcing response to anthropogenically driven historical changes in biogenic secondary organic aerosol formation
... SOA in GEOS-Chem-TOMAS is formed only from terrestrial biogenic sources, with the biogenic source being a fixed yield of 10 % of the monoterpene emis- ...isoprene and sesquiterpenes also serve ... See full document
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