[PDF] Top 20 Observation of viscosity transition in α-pinene secondary organic aerosol
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Observation of viscosity transition in α-pinene secondary organic aerosol
... Fahey, D. W., Gao, R.-S., Möhler, O., Saathoff, H., Schiller, C., Ebert, V., Krämer, M., Peter, T., Amarouche, N., Avallone, L. M., Bauer, R., Bozóki, Z., Christensen, L. E., Davis, S. M., Durry, G., Dyroff, C., Herman, ... See full document
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Relating hygroscopicity and optical properties to chemical composition and structure of secondary organic aerosol particles generated from the ozonolysis of α-pinene
... tion of α-pinene, its initial concentration could not be accu- rately ...and α-pinene concentration after 5 min of reaction as initial ...change in the SOA density was ... See full document
20
Modelling the formation and composition of secondary organic aerosol from α- and β-pinene ozonolysis using MCM v3
... composition of sec- ondary organic aerosol (SOA) from the gas phase ozonoly- sis of α- and β-pinene has been simulated using the Mas- ter Chemical Mechanism version 3 (MCM v3), ... See full document
17
Real refractive indices and volatility of secondary organic aerosol generated from photooxidation and ozonolysis of limonene, α-pinene and toluene
... Comparisons of refractive indices of thermodenuded and undenuded SOA studied in previous studies (Kim et ...Ranges of refractive index for each SOA result from changing chemical composition as ... See full document
29
Volatility of secondary organic aerosol during OH radical induced ageing
... characteristics of organic aerosol particles generated from the ozonolysis reaction of α-pinene and ...The aerosol was sampled from the chambers using 6 mm stainless steel ... See full document
13
Mechanism reduction for the formation of secondary organic aerosol for integration into a 3-dimensional regional Air Quality Model: <i>α</i>-pinene oxidation system
... number of species and reactions from a detailed gas phase chemical mechanism for SOA formation are much larger than those commonly used within 3- dimensional Eulerian regional air quality models for the purpose ... See full document
54
Evaluation of the atmospheric significance of multiphase reactions in atmospheric secondary organic aerosol formation
... reactions in the troposphere could induce significant SOA formation in addition to the abovementioned ...surface of solid particles and take place in the bulk of hydrometeors, ... See full document
9
The role of low volatile organics on secondary organic aerosol formation
... min. In the study by Matsunaga and Zie- mann (2010) n-Alkanes, 2-Alcohols, and 1-Alkenes reached equilibrium in timescales of more than 1 ...first observation instance. Since the mass transfer ... See full document
12
A qualitative comparison of secondary organic aerosol yields and composition from ozonolysis of monoterpenes at varying concentrations of NO<sub>2</sub>
... tion of the uncertainty in model predictions of the SOA bud- get comes from uncertainty in how biogenic VOCs (BVOCs) form aerosol (Guenther et ...ratios of BVOCs, so the specific ... See full document
15
The acid-catalyzed hydrolysis of an <i>α</i>-pinene-derived organic nitrate: kinetics, products, reaction mechanisms, and atmospheric impact
... derived organic nitrates are almost completely unknown, including those derived from α- pinene, a biogenic volatile organic compound (BVOC) that is one of the most significant ... See full document
8
Modeling of secondary organic aerosol yields from laboratory chamber data
... all α-pinene is consumed and the SOA growth has leveled out (∼58 µg m − 3 ), O/C and H/C ratios and fragment mass spectrum (not shown here) remain ...step in the ozonolysis of ... See full document
33
Volatility of secondary organic aerosol during OH radical induced ageing
... K) of 80 nm and 120 nm particles for α-pinene SOA produced in SAPHIR ...change in SOA mass with time before (green line) and after loss corrections with- out (green dashed line) and ... See full document
37
Observation of viscosity transition in <i>α</i>-pinene secondary organic aerosol
... Institute) in-cloud TDL) instrument as described by Fahey et ...path of 314 cm once across the mid- plane of the CERN CLOUD ...wavelength of (1370 ± 1) ...humidity in the CLOUD chamber ... See full document
16
Ozonolysis of α-pinene: parameterization of secondary organic aerosol mass fraction
... mation in atmosphere and are used in chemical transport ...mixture of primary and secondary particulate organic com- pounds, with some differences in the formulation of ... See full document
11
Mass yields of secondary organic aerosols from the oxidation of α-pinene and real plant emissions
... changes in VOC concentration and in aerosol mass concentration dur- ing a single experiment for the compound with one C=C bond (Ng et ...function of absorptive organic mass ... See full document
12
Naturally driven variability in the global secondary organic aerosol over a decade
... sition of trace gases and aerosols. Additionally, the relative humidity of the air affects the amount of water present in the aerosols, and thus their extinction ...result of these ... See full document
29
α-pinene photooxidation under controlled chemical conditions – Part 2: SOA yield and composition in low- and high-NO<sub>x</sub> environments
... is of interest to under- stand how the different gas-phase reaction mechanisms influ- ence the particle-phase composition and ...amount of aerosol produced in the oxidation of ... See full document
15
Aerosol analysis using a Proton-Transfer-Reaction Thermo-Desorption Mass Spectrometer (PTR-TD-MS): a new approach to study processing of organic aerosols
... deposition, organic aerosols are be- lieved to reside in the atmosphere for roughly one week if they remain in the boundary layer, or many weeks if they escape to the free troposphere (Williams et ... See full document
30
Real-time, controlled OH-initiated oxidation of biogenic secondary organic aerosol
... Kanakidou, M., Seinfeld, J. H., Pandis, S. N., Barnes, I., Dentener, F. J., Facchini, M. C., Van Dingenen, R., Ervens, B., Nenes, A., Nielsen, C. J., Swietlicki, E., Putaud, J. P., Balkan- ski, Y., Fuzzi, S., Horth, J., ... See full document
42
Formation of organic aerosol in the Paris region during the MEGAPOLI summer campaign: evaluation of the Volatility-Basis-Set approach within the CHIMERE model
... reported in previous studies in Mexico City with MM5 (Hodzic et ...pronounced in the current study. In addition, it was reported that the lidar-derived PBL height could not unambiguously ... See full document
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