Organic aerosol
Investigation of Organic Aerosol Volatility in the Lab and Field.
... climate. Organic aerosol (OA) constitutes a significant fraction of the atmospheric fine ...gas-phase organic emissions and/or heterogeneous condense- phase ...
346
MATRIX-VBS (v1.0): implementing an evolving organic aerosol volatility in an aerosol microphysics model
... Tsigaridis, K., Daskalakis, N., Kanakidou, M., Adams, P. J., Ar- taxo, P., Bahadur, R., Balkanski, Y., Bauer, S. E., Bellouin, N., Benedetti, A., Bergman, T., Berntsen, T. K., Beukes, J. P., Bian, H., Carslaw, K. S., ...
14
Impact of Aerosol-Cloud Cycling on Aqueous Secondary Organic Aerosol Formation
... 29. Hu, W.; Palm, B.B.; Day, D.A.; Campuzano-Jost, P.; Krechmer, J.E.; Peng, Z.; de Sá, S.S.; Martin, S.T.; Alexander, M.L.; Baumann, K.; et al. Volatility and lifetime against OH heterogeneous reaction of ambient ...
21
Field and Laboratory Studies of Atmospheric Organic Aerosol
... background aerosol typically shows a hygroscopic mode with growth factors around ...biogenic aerosol production (Swietlicki et ...of organic aerosols in the marine ...hydrocarbon-like organic ...
144
Measuring the atmospheric organic aerosol volatility distribution: a theoretical analysis
... Abstract. Organic compounds represent a significant frac- tion of submicrometer atmospheric aerosol ...ambient organic aerosol volatility is quite ...The aerosol passes through a heated ...
13
Studies of Chamber Organic Aerosol using an Aerodyne High Resolution Time of Flight Aerosol Mass Spectrometer
... secondary organic aerosol (SOA) from a volatile organic precursor comprises dozens of compounds owing to the variety of reaction pathways leading to semivolatile products (Hallquist et ...of ...
253
A technique for the measurement of organic aerosol hygroscopicity, oxidation level, and volatility distributions
... an aerosol mass spectrometer to measure the oxi- dation level, and a thermodenuder to evaluate the ...secondary organic aerosol (SOA) formed from the ozonolysis of ...among organic ...
12
Secondary Organic Aerosol Composition Studies Using Mass Spectrometry
... secondary organic aerosol (SOA) modeling studies (5), were not ...the organic phase is re- solved with 10 bulk ...the organic phase (mole fraction-based activity coefficients are as- sumed to ...
402
The direct and indirect radiative effects of biogenic secondary organic aerosol
... global aerosol microphysics model in combination with an offline radiative transfer model to quantify the radiative effect of biogenic secondary organic aerosol (SOA) in the present-day ...volatile ...
25
Characterization and source apportionment of organic aerosol using offline aerosol mass spectrometry
... or organic solvent extracts of filter samples, which are already routinely collected at many sites worldwide, offering a greater cov- erage than with ACSMs (Mihara and Mochida, 2011; Lee et ...total organic ...
17
Mass Spectrometric Analysis of Organic Aerosol Composition: Laboratory and Ambient
... ambient aerosol samples were collected in downtown Atlanta, GA, and a rural location in Yorkville, GA, during the 2008 AMIGAS ...primary organic aerosol (POA) and SOA, and how do these processes ...
203
Investigations of Secondary Organic Aerosol Formation in Laboratory Chambers
... gas-phase organic compounds can affect the gas-particle equilibrium partitioning (Leach et ...secondary organic aerosol from three diesel vehicles with various engine after-treatment systems (Chirico ...
183
ORACLE (v1.0): module to simulate the organic aerosol composition and evolution in the atmosphere
... of organic aerosols in large-scale models, making use of the VBS ap- proach and recent developments based on laboratory and field ...of organic aerosol composition and evolution in the atmosphere ...
20
ORACLE 2-D (v2.0): an efficient module to compute the volatility and oxygen content of organic aerosol with a global chemistry–climate model
... inorganic aerosol microphysics and dynamics (GMXe; Pringle et al., 2010), organic aerosol formation and growth (ORACLE; Tsimpidi et ...and aerosol optical properties (AEROPT; Lauer et ...
21
Thermodynamic Modeling of Organic Aerosol
... 2]. Organic aerosol is emitted directly from sources, or formed in the atmosphere from the gas-phase oxidation of volatile organic compounds (VOCs), oxidation products of VOCs usually have ...
25
Toward Better Characterization of the Viscosity of Organic Aerosol.
... Finally, one particularly notable droplet method (Power et al. 2013) utilizes optical tweezers (Wills et al. 2009), an instrumental method for trapping and manipulating particles using the radiation pressure produced by ...
485
Isoprene-derived secondary organic aerosol in the global aerosol–chemistry–climate model ECHAM6.3.0–HAM2.3–MOZ1.0
... sectional aerosol model HAM-SALSA and the chemistry model MOZ was established to form isoprene- derived secondary organic aerosol ...each aerosol size ...on aerosol pH ...of ...
26
Chamber studies of secondary organic aerosol formation
... secondary organic aerosol, by isolating specific compounds of interest and controlling the oxidation ...difficult, aerosol yields have been used in the study of secondary precursor ...organics. ...
31
Near-infrared laser desorption/ionization aerosol mass spectrometry for measuring organic aerosol at atmospherically relevant aerosol mass loadings
... secondary organic aerosol formation from ozonolysis of ...total aerosol mass loadings rang- ing from ...the organic fraction of atmospheric particulate at realistic mass ...
9
Modeling regional air quality and climate: improving organic aerosol and aerosol activation processes in WRF/Chem version 3.7.1
... of aerosol formation and cloud droplet ...for organic aerosol (OA) formation in WRF/Chem are improved by considering the following: the secondary OA (SOA) formation from semi- volatile primary ...
31