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Variations in Mass of the PM10, PM2.5 and PM1 during the Monsoon and the Winter at New Delhi
Particulate matters Visibility Washout pattern Time-series variations Mean mass scavenging coefficient
2016/3/28
PM10, PM2.5 and PM1 mass concentrations have been measured at Delhi (28°35'N; 77°12'E) during the August to
December 2007. The running mean of PM10, PM2.5 and PM1 data shows large variations. The PM1...
Characterization of the sources and processes of organic and inorganic aerosols in New York city with a high-resolution time-of-flight aerosol mass apectrometer
organic and inorganic aerosols New York city a high-resolution time-of-flight aerosol mass apectrometer
2011/2/25
Submicron aerosol particles (PM1) were measured in-situ using a High-Resolution Time-of-Flight Aerosol Mass Spectrometer during the summer 2009 Field Intensive Study at Queens College in New York, NY....
A sensitivity study on the effects of particle chemistry, asphericity and size on the mass extinction efficiency of mineral dust in the earth's atmosphere: from the near to thermal IR
particle chemistry asphericity size mineral dust the earth's atmosphere thermal IR
2011/2/25
To determine a plausible range of mass extinction efficiencies (MEE) of terrestrial atmospheric dust from the near to thermal IR, sensitivity analyses are performed over an extended range of dust micr...
Mass yields of secondary organic aerosols from the oxidation of α-pinene and real plant emissions
secondary organic aerosols α-pinene plant emissions
2011/2/25
Biogenic volatile organic compounds (VOCs) are a significant source of global secondary organic aerosol (SOA); however, quantifying their aerosol forming potential remains a challenge. This study pres...
Air mass origins influencing TTL chemical composition over West Africa during 2006 summer monsoon
Air mass origins TTL chemical composition West Africa 2006 summer monsoon
2010/11/30
Trace gas and aerosol data collected in the tropical tropopause layer (TTL) between 12–18.5 km by the M55 Geophysica aircraft as part of the SCOUT-AMMA campaign over West Africa during the summer mons...
Source apportionment of PM2.5 in Cork Harbour, Ireland using a combination of single particle mass spectrometry and quantitative semi-continuous measurements
Cork Harbour single particle mass spectrometry quantitative semi-continuous measurements
2010/10/21
An aerosol time-of-flight mass spectrometer (ATOFMS) was deployed for the measurement of the size resolved chemical composition of single particles at a site in Cork Harbour, Ireland for three weeks i...
Aerosol mass and black carbon concentrations, a two year record at NCO-P (5079 m, Southern Himalayas)
Aerosol mass black carbon NCO-P
2010/9/21
Aerosol mass and the absorbing fraction are important variables, needed to constrain the role of atmospheric particles in the Earth radiation budget, both directly and indirectly through CCN activatio...
Functional group composition of ambient and source organic aerosols determined by tandem mass spectrometry
Functional group composition ambient and source organic aerosols tandem mass spectrometry
2010/8/16
The functional group composition of various organic aerosols (OA) is investigated using a recently developed analytical approach based on atmospheric pressure chemical ionisation-tandem mass spectrome...
Determination of particulate lead using aerosol mass spectrometry: MILAGRO/MCMA-2006 observations
particulate lead aerosol mass spectrometry MILAGRO/MCMA-2006 observations
2010/8/13
We report the first measurements of particulate lead (Pb) from Aerodyne Aerosol Mass Spectrometers, which were deployed in and around Mexico City during the Megacity Initiative: Local and Global Resea...
Insights into secondary organic aerosol formed via aqueous-phase reactions of phenolic compounds based on high resolution mass spectrometry
secondary organic aerosol aqueous-phase reactions phenolic compounds high resolution mass spectrometry
2010/8/13
Recent work has shown that aqueous-phase reactions of phenolic compounds – phenol (C6H6O), guaiacol (C7H8O2), and syringol (C8H10O3) – can form secondary organic aerosol (SOA) at high yields. Here we ...
Organic aerosol components observed in Northern Hemispheric datasets from Aerosol Mass Spectrometry
Organic aerosol components Northern Hemispheric Aerosol Mass Spectrometry
2010/8/13
In this study we compile and present results from the factor analysis of 43 Aerosol Mass Spectrometer (AMS) datasets (27 of the datasets are reanalyzed in this work). The components from all sites, wh...
Elemental analysis of chamber organic aerosol using an aerodyne high-resolution aerosol mass spectrometer
Elemental analysis chamber organic aerosol an aerodyne high-resolution aerosol mass spectrometer
2010/8/12
The elemental composition of laboratory chamber secondary organic aerosol (SOA) from glyoxal uptake, α-pinene ozonolysis, isoprene photooxidation, single-ring aromatic photooxidation, and naphthalene ...
A review of the theoretical basis for bulk mass flux convective parameterization
the theoretical basis bulk mass flux convective parameterization
2010/8/12
Most parameterizations for precipitating convection in use today are bulk schemes, in which an ensemble of cumulus elements with different properties is modelled as a single, representative entraining...
Particle number, particle mass and NOx emission factors at a highway and an urban street in Copenhagen
Particle number particle mass NOx emission factors an urban street Copenhagen
2010/8/12
This paper presents measurements of traffic-generated gas and particle pollution at two sites, one near a major highway and one near a busy urban street in Copenhagen, Denmark. Both sites were equippe...
Biomass burning aerosol emissions from vegetation fires: particle number and mass emission factors and size distributions
Biomass burning aerosol vegetation fires mass emission factors
2010/2/21
Aerosol emissions from vegetation fires have a large impact on air quality and climate. In this study, we use published experimental data and different fitting procedures to derive dynamic particle nu...