List of works - Timothy B Onasch

A Novel Method for Estimating Light-Scattering Properties of Soot Aerosols Using a Modified Single-Particle Soot Photometer

journal article; published in Aerosol Science and Technology in 2007

A case study into the measurement of ship emissions from plume intercepts of the NOAA ship Miller Freeman

scholarly article

A generalised method for the extraction of chemically resolved mass spectra from Aerodyne aerosol mass spectrometer data

article by James D Allan et al published July 2004 in Journal of Aerosol Science

Adsorptive uptake of water by semisolid secondary organic aerosols

article

Aerosol Light Extinction Measurements by Cavity Attenuated Phase Shift (CAPS) Spectroscopy: Laboratory Validation and Field Deployment of a Compact Aerosol Particle Extinction Monitor

journal article; published in Aerosol Science and Technology in 2010

Aerosol mixing state, hygroscopic growth and cloud activation efficiency during MIRAGE 2006

scholarly article

Aging Effects on Biomass Burning Aerosol Mass and Composition: A Critical Review of Field and Laboratory Studies

scientific article published on 12 August 2019

Airborne and laboratory studies of an IAGOS instrumentation package containing a modified CAPS particle extinction monitor

journal article; published in Aerosol Science and Technology in 2017

Airborne measurements of western U.S. wildfire emissions: Comparison with prescribed burning and air quality implications

scholarly article by Xiaoxi Liu et al published 14 June 2017 in Journal of Geophysical Research: Atmospheres

Aircraft observations of aerosol composition and ageing in New England and Mid-Atlantic States during the summer 2002 New England Air Quality Study field campaign

article

An Inter-Comparison of Instruments Measuring Black Carbon Content of Soot Particles

journal article; published in Aerosol Science and Technology in 2007

Application of high-resolution time-of-flight chemical ionization mass spectrometry measurements to estimate volatility distributions of α-pinene and naphthalene oxidation products

article

Arctic sea ice melt leads to atmospheric new particle formation

scientific article

Atmospheric Measurements of the Physical Evolution of Aircraft Exhaust Plumes ⬇️

scientific article published on March 8, 2013

Black carbon emissions from in-use ships: a California regional assessment

scholarly article

Characterization of aerosol photooxidation flow reactors: heterogeneous oxidation, secondary organic aerosol formation and cloud condensation nuclei activity measurements

article

Characterization of black carbon-containing particles from soot particle aerosol mass spectrometer measurements on the R/VAtlantisduring CalNex 2010

Characterization of particulate matter emissions from on-road gasoline and diesel vehicles using a soot particle aerosol mass spectrometer

scholarly article

Characterization of submicron particles influenced by mixed biogenic and anthropogenic emissions using high-resolution aerosol mass spectrometry: results from CARES

scholarly article

Characterization of trace metals on soot aerosol particles with the SP-AMS: detection and quantification

Characterization of urban pollutant emission fluxes and ambient concentration distributions using a mobile laboratory with rapid response instrumentation

scientific article published on January 2005

Chemical Smoke Marker Emissions During Flaming and Smoldering Phases of Laboratory Open Burning of Wildland Fuels

journal article; published in Aerosol Science and Technology in 2010

Chemical and microphysical characterization of ambient aerosols with the aerodyne aerosol mass spectrometer

scientific article published on March 2007

Chemical compositions of black carbon particle cores and coatings via soot particle aerosol mass spectrometry with photoionization and electron ionization

scientific article published on 15 January 2015

Chemical evolution of atmospheric organic carbon over multiple generations of oxidation.

scientific article published on 26 February 2018

Chemically-resolved volatility measurements of organic aerosol fom different sources.

scientific article

Chemistry of new particle growth in mixed urban and biogenic emissions – insights from CARES

scholarly article by Ari Setyan et al published 1 July 2014 in Atmospheric Chemistry and Physics

Chemistry of new particle growth in mixed urban and biogenic emissions – insights from CARES

scholarly article

Collection Efficiencies in an Aerodyne Aerosol Mass Spectrometer as a Function of Particle Phase for Laboratory Generated Aerosols

journal article; published in Aerosol Science and Technology in 2008

Collection efficiency of α-pinene secondary organic aerosol particles explored via light-scattering single-particle aerosol mass spectrometry

article

Collection efficiency of the soot-particle aerosol mass spectrometer (SP-AMS) for internally mixed particulate black carbon

Collection efficiency of α-pinene secondary organic aerosol particles explored via light scattering single particle aerosol mass spectrometry

Combustion and Destruction/Removal Efficiencies of In-Use Chemical Flares in the Greater Houston Area

Commercial aircraft engine emissions characterization of in-use aircraft at Hartsfield-Jackson Atlanta International Airport.

scientific article published in March 2008

Composition and Sources of the Organic Particle Emissions from Aircraft Engines

journal article; published in Aerosol Science and Technology in 2014

Condensed-phase biogenic-anthropogenic interactions with implications for cold cloud formation.

scientific article

Controlled nitric oxide production via O(1D)  + N2O reactions for use in oxidation flow reactor studies

Correction to “Relationship between aerosol oxidation level and hygroscopic properties of laboratory generated secondary organic aerosol (SOA) particles”

scholarly article published in Geophysical Research Letters

Correlation of secondary organic aerosol with odd oxygen in Mexico City

article

Design and Characterization of a Fluidized Bed Aerosol Generator: A Source for Dry, Submicrometer Aerosol

journal article; published in Aerosol Science and Technology in 2000

Design, Modeling, Optimization, and Experimental Tests of a Particle Beam Width Probe for the Aerodyne Aerosol Mass Spectrometer

article

Detecting Fugitive Emissions of 1,3-Butadiene and Styrene from a Petrochemical Facility: An Application of a Mobile Laboratory and a Modified Proton Transfer Reaction Mass Spectrometer

Detection of particle-phase polycyclic aromatic hydrocarbons in Mexico City using an aerosol mass spectrometer

scientific article published in June 2007

Determination of particulate lead using aerosol mass spectrometry: MILAGRO/MCMA-2006 observations

scholarly article

Direct Measurement of Aircraft Engine Soot Emissions Using a Cavity-Attenuated Phase Shift (CAPS)-Based Extinction Monitor

journal article; published in Aerosol Science and Technology in 2011

Doppler spectrum-based polar nephelometer ⬇️

scientific article published on September 1, 2012

Effect of oxidant concentration, exposure time, and seed particles on secondary organic aerosol chemical composition and yield

scholarly article

Emission and chemistry of organic carbon in the gas and aerosol phase at a sub-urban site near Mexico City in March 2006 during the MILAGRO study

scholarly article

Enhanced light absorption by mixed source black and brown carbon particles in UK winter.

scientific article

Ethylene glycol emissions from on-road vehicles

scientific article published on 9 March 2015

Evaluating the use of satellite observations to supplement ground-level air quality data in selected cities in low- and middle-income countries

scientific article published in December 2019

Evolution of Organic Aerosols in the Atmosphere

scientific article published in Science

Evolution of vehicle exhaust particles in the atmosphere.

scientific article published on October 2010

Experimental Studies of Vapor-Deposited Water−Ice Films Using Grazing-Angle FTIR-Reflection Absorption Spectroscopy

article

Extensive Soot Compaction by Cloud Processing from Laboratory and Field Observations

scientific article published on 14 August 2019

Fast size-resolved aerosol composition measurements in Mexico City with an AMS ⬇️

abstract published in 2004

Formation and evolution of Tar Balls from Northwestern US wildfires

scholarly article by Arthur J. Sedlacek III et al published 30 January 2018 in Atmospheric Chemistry and Physics Discussions

Formation and evolution of tar balls from northwestern US wildfires

scholarly article

Humidified single-scattering albedometer (H-CAPS-PMSSA): Design, data analysis, and validation

scientific article published in 2021

Humidity-dependent phase state of SOA particles from biogenic and anthropogenic precursors

scholarly article

Impact of Biofuel Blends on Black Carbon Emissions from a Gas Turbine Engine

scientific article published on 01 April 2020

Impact of fuel quality regulation and speed reductions on shipping emissions: implications for climate and air quality

scientific article

Impact of particulate organic matter on the relative humidity dependence of light scattering: A simplified parameterization

article

Impacts of nonrefractory material on light absorption by aerosols emitted from biomass burning

Impacts of sources and aging on submicrometer aerosol properties in the marine boundary layer across the Gulf of Maine

article

Importance of historical contingency in the stereochemistry of hydratase-dehydratase enzymes

scientific article published on 01 July 1995

In-situ characterization of metal nanoparticles and their organic coatings using laser-vaporization aerosol mass spectrometry

Influence of Emissions and Aqueous Processing on Particles Containing Black Carbon in a Polluted Urban Environment: Insights From a Soot Particle-Aerosol Mass Spectrometer

Inkjet-printed gold nanoparticle surfaces for the detection of low molecular weight biomolecules by laser desorption/ionization mass spectrometry

scientific article published on 23 July 2015

Investigation of Refractory Black Carbon-Containing Particle Morphologies Using the Single-Particle Soot Photometer (SP2)

journal article; published in Aerosol Science and Technology in 2015

Laboratory and Ambient Particle Density Determinations using Light Scattering in Conjunction with Aerosol Mass Spectrometry

journal article; published in Aerosol Science and Technology in 2007

Laboratory evaluation of species-dependent relative ionization efficiencies in the Aerodyne Aerosol Mass Spectrometer

journal article; published in Aerosol Science and Technology in 2018

Light scattering and absorption by fractal-like carbonaceous chain aggregates: comparison of theories and experiment

scientific article published in October 2007

Low fractal dimension cluster-dilute soot aggregates from a premixed flame

scientific article published on 12 June 2009

Mass spectral analysis of organic aerosol formed downwind of the Deepwater Horizon oil spill: field studies and laboratory confirmations

scientific article published on 20 July 2012

Mass spectrometry of refractory black carbon particles from six sources: carbon-cluster and oxygenated ions

scholarly article

Measurements of Morphology Changes of Fractal Soot Particles using Coating and Denuding Experiments: Implications for Optical Absorption and Atmospheric Lifetime

journal article; published in Aerosol Science and Technology in 2007

Measurements of ocean derived aerosol off the coast of California

scholarly article

Mixing state of carbonaceous aerosol in an urban environment: single particle characterization using the soot particle aerosol mass spectrometer (SP-AMS)

scholarly article

Nighttime chemical evolution of aerosol and trace gases in a power plant plume: Implications for secondary organic nitrate and organosulfate aerosol formation, NO3radical chemistry, and N2O5heterogeneous hydrolysis

article

Novel insights on new particle formation derived from a pan-european observing system

scientific article published on 24 January 2018

O/C and OM/OC ratios of primary, secondary, and ambient organic aerosols with high-resolution time-of-flight aerosol mass spectrometry

scientific article

Observation of Fullerene Soot in Eastern China

article

On-road measurement of gas and particle phase pollutant emission factors for individual heavy-duty diesel trucks

scientific article published on 25 July 2012

Open-path, closed-path and reconstructed aerosol extinction at a rural site.

scientific article published on 9 April 2018

Organic particle types by single-particle measurements using a time-of-flight aerosol mass spectrometer coupled with a light scattering module

scholarly article by S. Liu et al published 1 February 2013 in Atmospheric Measurement Techniques

Overview of the 2010 Carbonaceous Aerosols and Radiative Effects Study (CARES)

scholarly article

Oxygenated Aromatic Compounds are Important Precursors of Secondary Organic Aerosol in Biomass Burning Emissions

scientific article published on 19 June 2020

Particulate Emissions from in-use Commercial Aircraft

article

Particulate emissions from commercial shipping: Chemical, physical, and optical properties

scholarly article

Pollution Gradients and Chemical Characterization of Particulate Matter from Vehicular Traffic near Major Roadways: Results from the 2009 Queens College Air Quality Study in NYC

journal article; published in Aerosol Science and Technology in 2012

Radiative absorption enhancements by black carbon controlled by particle-to-particle heterogeneity in composition

scientific article published on 25 February 2020

Radiative absorption enhancements due to the mixing state of atmospheric black carbon

scientific article

Regional Influence of Aerosol Emissions from Wildfires Driven by Combustion Efficiency: Insights from the BBOP Campaign

scientific article

Regional Influence of Wildfires on Aerosol Chemistry in the Western US and Insights into Atmospheric Aging of Biomass Burning Organic Aerosol

scholarly article by Shan Zhou et al published 23 September 2016 in Atmospheric Chemistry and Physics Discussions

Regional influence of wildfires on aerosol chemistry in the western US and insights into atmospheric aging of biomass burning organic aerosol

scholarly article

Regional variation of organic functional groups in aerosol particles on four U.S. east coast platforms during the International Consortium for Atmospheric Research on Transport and Transformation 2004 campaign

article

Relationship between aerosol oxidation level and hygroscopic properties of laboratory generated secondary organic aerosol (SOA) particles

article

Relationship between oxidation level and optical properties of secondary organic aerosol

scientific article published on 06 June 2013

Response to comment on "Radiative absorption enhancements due to the mixing state of atmospheric black carbon".

scientific article published in January 2013

Sampling Artifacts from Conductive Silicone Tubing

journal article; published in Aerosol Science and Technology in 2009

Separating refractory and non-refractory particulate chloride and estimating chloride depletion by aerosol mass spectrometry in a marine environment

article

Single Scattering Albedo Monitor for Airborne Particulates

journal article; published in Aerosol Science and Technology in 2015

Soot Particle Aerosol Mass Spectrometer: Development, Validation, and Initial Application

journal article; published in Aerosol Science and Technology in 2012

Soot Particle Studies—Instrument Inter-Comparison—Project Overview

journal article; published in Aerosol Science and Technology in 2010

Sources of particulate matter in the northeastern United States in summer: 1. Direct emissions and secondary formation of organic matter in urban plumes

article

Spherical tarball particles form through rapid chemical and physical changes of organic matter in biomass-burning smoke

scientific article published on 05 September 2019

Submicron particles influenced by mixed biogenic and anthropogenic emissions: high-resolution aerosol mass spectrometry results from the Carbonaceous Aerosols and Radiative Effects Study (CARES)

scientific article

The Cooling Rate- and Volatility-Dependent Glass-Forming Properties of Organic Aerosols Measured by Broadband Dielectric Spectroscopy

scientific article published on 09 October 2019

The Detection Efficiency of the Single Particle Soot Photometer

journal article; published in Aerosol Science and Technology in 2010

Total observed organic carbon (TOOC) in the atmosphere: a synthesis of North American observations

scholarly article

Transformation of logwood combustion emissions in a smog chamber: formation of secondary organic aerosol and changes in the primary organic aerosol upon daytime and nighttime aging

scholarly article

Transitions from functionalization to fragmentation reactions of laboratory secondary organic aerosol (SOA) generated from the OH oxidation of alkane precursors

scientific article published on 04 May 2012

Ubiquity and dominance of oxygenated species in organic aerosols in anthropogenically-influenced Northern Hemisphere midlatitudes

scientific article published on 7 July 2007

Viscous organic aerosol particles in the upper troposphere: diffusivity-controlled water uptake and ice nucleation?

scholarly article

List of works by Timothy B Onasch

A Novel Method for Estimating Light-Scattering Properties of Soot Aerosols Using a Modified Single-Particle Soot Photometer

A case study into the measurement of ship emissions from plume intercepts of the NOAA ship <i>Miller Freeman</i>

A generalised method for the extraction of chemically resolved mass spectra from Aerodyne aerosol mass spectrometer data

Adsorptive uptake of water by semisolid secondary organic aerosols

Aerosol Light Extinction Measurements by Cavity Attenuated Phase Shift (CAPS) Spectroscopy: Laboratory Validation and Field Deployment of a Compact Aerosol Particle Extinction Monitor

Aerosol mixing state, hygroscopic growth and cloud activation efficiency during MIRAGE 2006

Aging Effects on Biomass Burning Aerosol Mass and Composition: A Critical Review of Field and Laboratory Studies

Airborne and laboratory studies of an IAGOS instrumentation package containing a modified CAPS particle extinction monitor

Airborne measurements of western U.S. wildfire emissions: Comparison with prescribed burning and air quality implications

Aircraft observations of aerosol composition and ageing in New England and Mid-Atlantic States during the summer 2002 New England Air Quality Study field campaign

An Inter-Comparison of Instruments Measuring Black Carbon Content of Soot Particles

Application of high-resolution time-of-flight chemical ionization mass spectrometry measurements to estimate volatility distributions of α-pinene and naphthalene oxidation products

Arctic sea ice melt leads to atmospheric new particle formation

Atmospheric Measurements of the Physical Evolution of Aircraft Exhaust Plumes ⬇️

Black carbon emissions from in-use ships: a California regional assessment

Characterization of aerosol photooxidation flow reactors: heterogeneous oxidation, secondary organic aerosol formation and cloud condensation nuclei activity measurements

Characterization of black carbon-containing particles from soot particle aerosol mass spectrometer measurements on the R/VAtlantisduring CalNex 2010

Characterization of particulate matter emissions from on-road gasoline and diesel vehicles using a soot particle aerosol mass spectrometer

Characterization of submicron particles influenced by mixed biogenic and anthropogenic emissions using high-resolution aerosol mass spectrometry: results from CARES

Characterization of trace metals on soot aerosol particles with the SP-AMS: detection and quantification

Characterization of urban pollutant emission fluxes and ambient concentration distributions using a mobile laboratory with rapid response instrumentation

Chemical Smoke Marker Emissions During Flaming and Smoldering Phases of Laboratory Open Burning of Wildland Fuels

Chemical and microphysical characterization of ambient aerosols with the aerodyne aerosol mass spectrometer

Chemical compositions of black carbon particle cores and coatings via soot particle aerosol mass spectrometry with photoionization and electron ionization

Chemical evolution of atmospheric organic carbon over multiple generations of oxidation.

Chemically-resolved volatility measurements of organic aerosol fom different sources.

Chemistry of new particle growth in mixed urban and biogenic emissions – insights from CARES

Chemistry of new particle growth in mixed urban and biogenic emissions – insights from CARES

Collection Efficiencies in an Aerodyne Aerosol Mass Spectrometer as a Function of Particle Phase for Laboratory Generated Aerosols

Collection efficiency of <i>α</i>-pinene secondary organic aerosol particles explored via light-scattering single-particle aerosol mass spectrometry

Collection efficiency of the soot-particle aerosol mass spectrometer (SP-AMS) for internally mixed particulate black carbon

Collection efficiency of α-pinene secondary organic aerosol particles explored via light scattering single particle aerosol mass spectrometry

Combustion and Destruction/Removal Efficiencies of In-Use Chemical Flares in the Greater Houston Area

Commercial aircraft engine emissions characterization of in-use aircraft at Hartsfield-Jackson Atlanta International Airport.

Composition and Sources of the Organic Particle Emissions from Aircraft Engines

Condensed-phase biogenic-anthropogenic interactions with implications for cold cloud formation.

Controlled nitric oxide production via O(<sup>1</sup>D) + N<sub>2</sub>O reactions for use in oxidation flow reactor studies

Correction to “Relationship between aerosol oxidation level and hygroscopic properties of laboratory generated secondary organic aerosol (SOA) particles”

Correlation of secondary organic aerosol with odd oxygen in Mexico City

Design and Characterization of a Fluidized Bed Aerosol Generator: A Source for Dry, Submicrometer Aerosol

Design, Modeling, Optimization, and Experimental Tests of a Particle Beam Width Probe for the Aerodyne Aerosol Mass Spectrometer

Detecting Fugitive Emissions of 1,3-Butadiene and Styrene from a Petrochemical Facility: An Application of a Mobile Laboratory and a Modified Proton Transfer Reaction Mass Spectrometer

Detection of particle-phase polycyclic aromatic hydrocarbons in Mexico City using an aerosol mass spectrometer

Determination of particulate lead using aerosol mass spectrometry: MILAGRO/MCMA-2006 observations

Direct Measurement of Aircraft Engine Soot Emissions Using a Cavity-Attenuated Phase Shift (CAPS)-Based Extinction Monitor

Doppler spectrum-based polar nephelometer ⬇️

Effect of oxidant concentration, exposure time, and seed particles on secondary organic aerosol chemical composition and yield

Emission and chemistry of organic carbon in the gas and aerosol phase at a sub-urban site near Mexico City in March 2006 during the MILAGRO study

Enhanced light absorption by mixed source black and brown carbon particles in UK winter.

Ethylene glycol emissions from on-road vehicles

Evaluating the use of satellite observations to supplement ground-level air quality data in selected cities in low- and middle-income countries

Evolution of Organic Aerosols in the Atmosphere

Evolution of vehicle exhaust particles in the atmosphere.

Experimental Studies of Vapor-Deposited Water−Ice Films Using Grazing-Angle FTIR-Reflection Absorption Spectroscopy

Extensive Soot Compaction by Cloud Processing from Laboratory and Field Observations

Fast size-resolved aerosol composition measurements in Mexico City with an AMS ⬇️

Formation and evolution of Tar Balls from Northwestern US wildfires

Formation and evolution of tar balls from northwestern US wildfires

Humidified single-scattering albedometer (H-CAPS-PM<sub>SSA</sub>): Design, data analysis, and validation

Humidity-dependent phase state of SOA particles from biogenic and anthropogenic precursors

Impact of Biofuel Blends on Black Carbon Emissions from a Gas Turbine Engine

Impact of fuel quality regulation and speed reductions on shipping emissions: implications for climate and air quality

Impact of particulate organic matter on the relative humidity dependence of light scattering: A simplified parameterization

Impacts of nonrefractory material on light absorption by aerosols emitted from biomass burning

Impacts of sources and aging on submicrometer aerosol properties in the marine boundary layer across the Gulf of Maine

Importance of historical contingency in the stereochemistry of hydratase-dehydratase enzymes

In-situ characterization of metal nanoparticles and their organic coatings using laser-vaporization aerosol mass spectrometry

Influence of Emissions and Aqueous Processing on Particles Containing Black Carbon in a Polluted Urban Environment: Insights From a Soot Particle-Aerosol Mass Spectrometer

Inkjet-printed gold nanoparticle surfaces for the detection of low molecular weight biomolecules by laser desorption/ionization mass spectrometry

Investigation of Refractory Black Carbon-Containing Particle Morphologies Using the Single-Particle Soot Photometer (SP2)

Laboratory and Ambient Particle Density Determinations using Light Scattering in Conjunction with Aerosol Mass Spectrometry

Laboratory evaluation of species-dependent relative ionization efficiencies in the Aerodyne Aerosol Mass Spectrometer

Light scattering and absorption by fractal-like carbonaceous chain aggregates: comparison of theories and experiment

Low fractal dimension cluster-dilute soot aggregates from a premixed flame

Mass spectral analysis of organic aerosol formed downwind of the Deepwater Horizon oil spill: field studies and laboratory confirmations

Mass spectrometry of refractory black carbon particles from six sources: carbon-cluster and oxygenated ions

Measurements of Morphology Changes of Fractal Soot Particles using Coating and Denuding Experiments: Implications for Optical Absorption and Atmospheric Lifetime

Measurements of ocean derived aerosol off the coast of California

Mixing state of carbonaceous aerosol in an urban environment: single particle characterization using the soot particle aerosol mass spectrometer (SP-AMS)

Controlled nitric oxide production via O(<sup>1</sup>D)  + N<sub>2</sub>O reactions for use in oxidation flow reactor studies