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Second-generation products contribute substantially to the particle-phase organic material produced by β-caryophyllene ozonolysis
the particle-phase organic material β-caryophyllene ozonolysis
2011/1/19
The production of secondary organic aerosol (SOA) by the dark ozonolysis of gas-phase β-caryophyllene was studied. The experiments were conducted in a continuous-flow environmental chamber for organic...
Global evaluation of the Collection 5 MODIS dark-target aerosol products over land
the Collection 5 MODIS dark-target aerosol products land
2010/11/29
NASA's MODIS sensors have been observing the Earth from polar orbit, from Terra since early 2000 and from Aqua since mid 2002. We have applied a consistent retrieval and processing algorithm to both s...
Improved agreement of AIRS tropospheric carbon monoxide products with other EOS sensors using optimal estimation retrievals
AIRS tropospheric carbon monoxide products other EOS sensors optimal estimation retrievals
2010/10/11
We present in this paper an alternative retrieval algorithm for the Atmospheric Infrared Sounder (AIRS) tropospheric Carbon Monoxide (CO) products using the Optimal Estimation (OE) technique, which is...
Seasonal cycle and temperature dependence of pinene oxidation products, dicarboxylic acids and nitrophenols in fine and coarse air particulate matter
Seasonal cycle temperature dependence pinene oxidation products fine and coarse air particulate matter
2010/9/1
Filter samples of fine and coarse air particulate matter (PM) collected over a period of one year in central Europe (Mainz, Germany) were analyzed for water-soluble organic compounds (WSOCs), includin...
Biogenic oxidized organic functional groups in aerosol particles from a mountain forest site and their similarities to laboratory chamber products
Biogenic oxidized organic functional groups aerosol particles a mountain forest site laboratory chamber products
2010/8/13
Submicron particles collected at Whistler, British Columbia, at 1020 m a.s.l. during May and June 2008 on Teflon filters were analyzed by Fourier transform infrared (FTIR) and X-ray fluorescence (XRF)...
Numerical simulation of tropospheric injection of biomass burning products by pyro-thermal plumes
Numerical simulation tropospheric injection of biomass burning products pyro-thermal plumes
2010/8/12
The thermal plume model, a mass-flux scheme originally developed to represent the vertical transport by convective structures within the boundary layer, is adapted to the representation of plumes gene...
Evaluation of Arctic cloud products from the EUMETSAT Climate Monitoring Satellite Application Facility based on CALIPSO-CALIOP observations
Arctic cloud products EUMETSAT Climate Monitoring Satellite Application Facility CALIPSO-CALIOP
2010/2/21
The performance of the three cloud products cloud fractional cover, cloud type and cloud top height, derived from NOAA AVHRR data and produced by the EUMETSAT Climate Monitoring Satellite Application ...
Reactive oxidation products promote secondary organic aerosol formation from green leaf volatiles
Reactive oxidation products secondary organic aerosol formation green leaf volatiles
2009/6/16
Green leaf volatiles (GLVs) are an important group of chemicals released by vegetation which have emission fluxes that can be significantly increased when plants are damaged or stressed. A series of s...
Glyoxal uptake on ammonium sulphate seed aerosol: reaction products and reversibility of uptake under dark and irradiated conditions
Glyoxal ammonium sulphate seed aerosol irradiated conditions
2009/6/2
Chamber studies of glyoxal uptake onto ammonium sulphate aerosol were performed under dark and irradiated conditions to gain further insight into processes controlling glyoxal uptake onto ambient aero...
Assessment of the MODIS Collections C005 and C004 aerosol optical depth products over the Mediterranean basin
MODIS Collections aerosol optical depth products Mediterranean basin
2009/5/15
The second generation Collection 005 (C005) MODIS operational algorithm for retrieval of aerosol properties was evaluated and validated for the greater Mediterranean basin (29.5° N–46.5° N and 10.5° W...
Methyl chavicol: characterization of its biogenic emission rate, abundance, and oxidation products in the atmosphere
Methyl chavicol biogenic emission rate abundance oxidation products atmosphere
2009/3/31
We report measurements of ambient atmospheric mixing ratios for methyl chavicol and determine its biogenic emission rate. Methyl chavicol, a biogenic oxygenated aromatic compound, is abundant within a...
Ozone Monitoring Instrument spectral UV irradiance products: comparison with ground based measurements at an urban environment
Ozone Monitoring Instrument spectral UV irradiance products urban environment
2009/3/12
We have compared spectral ultraviolet overpass irradiances from the Ozone Monitoring Instruments (OMI) against ground-based Brewer measurements at Thessaloniki, Greece from September 2004 to December ...
Observation of 2-methyltetrols and related photo-oxidation products of isoprene in boreal forest aerosols from Hyytiälä, Finland
2-methyltetrols photo-oxidation products isoprene boreal forest aerosols Finland
2009/2/18
Oxidation products of isoprene including 2-methyltetrols (2-methylthreitol and 2-methylerythritol), 2-methylglyceric acid and triol derivatives of isoprene (2-methyl-1,3,4-trihydroxy-1-butene (cis and...
Investigating the composition of organic aerosol resulting from cyclohexene ozonolysis: low molecular weight and heterogeneous reaction products
organic aerosol cyclohexene ozonolysis low molecular weight heterogeneous reaction products
2009/1/16
The composition of organic aerosol formed from the gas phase ozonolysis of cyclohexene has been investigated in a smog chamber experiment. Comprehensive gas chromatography with time of flight mass spe...
Kinetic modeling of secondary organic aerosol formation: effects of particle- and gas-phase reactions of semivolatile products
Kinetic modeling secondary organic aerosol formation semivolatile products
2008/12/16
The distinguishing mechanism of formation of secondary organic aerosol (SOA) is the partitioning of semivolatile hydrocarbon oxidation products between the gas and aerosol phases. While SOA formation ...