journal article

• Large hemispheric difference in nucleation mode aerosol concentrations in the lowermost stratosphere at mid- and high latitudes.  Atmospheric Chemistry and Physics. 9065-9088. 2021
• Radiative and chemical implications of the size and composition of aerosol particles in the existing or modified global stratosphere.  Atmospheric Chemistry and Physics. 8915-8932. 2021
• Extreme oxidant amounts produced by lightning in storm clouds.  Science. 711-+. 2021
• Volatile organic compound emissions from solvent- and water-borne coatings - compositional differences and tracer compound identifications.  Atmospheric Chemistry and Physics. 6005-6022. 2021
• Observations Confirm that Volatile Chemical Products Are a Major Source of Petrochemical Emissions in US Cities.  Environmental Science and Technology (Washington). 4332-4343. 2021
• UAS Chromatograph for Atmospheric Trace Species (UCATS) – a versatile instrument for trace gas measurements on airborne platforms.  Atmospheric Measurement Techniques. 2021
• Identifying Volatile Chemical Product Tracer Compounds in US Cities.  Environmental Science and Technology (Washington). 188-199. 2021
• A cavity-enhanced ultraviolet absorption instrument for high-precision, fast-time-response ozone measurements.  Atmospheric Measurement Techniques. 6877-6887. 2020
• Errors in top-down estimates of emissions using a known source.  Atmospheric Chemistry and Physics. 11855-11868. 2020
• Variability of Ammonia and Methane Emissions from Animal Feeding Operations in Northeastern Colorado.  Environmental Science and Technology (Washington). 11015-11024. 2020
• Global-scale distribution of ozone in the remote troposphere from the ATom and HIPPO airborne field missions.  Atmospheric Chemistry and Physics. 10611-10635. 2020
• Characterizing sources of high surface ozone events in the southwestern US with intensive field measurements and two global models.  Atmospheric Chemistry and Physics. 10379-10400. 2020
• Global Atmospheric Budget of Acetone: Air-Sea Exchange and the Contribution to Hydroxyl Radicals.  Journal of Geophysical Research: Atmospheres. 2020
• Constraining remote oxidation capacity with ATom observations.  Atmospheric Chemistry and Physics. 7753-7781. 2020
• Vertical Transport, Entrainment, and Scavenging Processes Affecting Trace Gases in a Modeled and Observed SEAC(4)RS Case Study.  Journal of Geophysical Research: Atmospheres. 2020
• Single-photon laser-induced fluorescence detection of nitric oxide at sub-parts-per-trillion mixing ratios.  Atmospheric Measurement Techniques. 2425-2439. 2020
• New particle formation and sub-10 nm size distribution measurements during the A-LIFE field experiment in Paphos, Cyprus.  Atmospheric Chemistry and Physics. 5645-5656. 2020
• Missing OH reactivity in the global marine boundary layer.  Atmospheric Chemistry and Physics. 4013-4029. 2020
• Global airborne sampling reveals a previously unobserved dimethyl sulfide oxidation mechanism in the marine atmosphere.  Proceedings of the National Academy of Sciences of USA. 4505-4510. 2020
• Exploring Oxidation in the Remote Free Troposphere: Insights From Atmospheric Tomography (ATom).  Journal of Geophysical Research: Atmospheres. 2020
• Investigating large methane enhancements in the US San Juan Basin.  Elementa: Science of the Anthropocene. 2020
• Methane emissions from oil and gas production on the North Slope of Alaska.  Atmospheric Environment. 2019
• On the sources and sinks of atmospheric VOCs: an integrated analysis of recent aircraft campaigns over North America.  Atmospheric Chemistry and Physics. 9097-9123. 2019
• Mapping hydroxyl variability throughout the global remote troposphere via synthesis of airborne and satellite formaldehyde observations (vol 116, pg 11171, 2019).  Proceedings of the National Academy of Sciences of USA. 13144-13144. 2019
• Mapping hydroxyl variability throughout the global remote troposphere via synthesis of airborne and satellite formaldehyde observations.  Proceedings of the National Academy of Sciences of USA. 11171-11180. 2019
• Atmospheric Acetaldehyde: Importance of Air-Sea Exchange and a Missing Source in the Remote Troposphere.  Geophysical Research Letters. 5601-5613. 2019
• Inversion Estimates of Lognormally Distributed Methane Emission Rates From the Haynesville-Bossier Oil and Gas Production Region Using Airborne Measurements.  Journal of Geophysical Research: Atmospheres. 3520-3531. 2019
• Nighttime Chemical Transformation in Biomass Burning Plumes: A Box Model Analysis Initialized with Aircraft Observations.  Environmental Science and Technology (Washington). 2529-2538. 2019
• Methyl, Ethyl, and Propyl Nitrates: Global Distribution and Impacts on Reactive Nitrogen in Remote Marine Environments.  Journal of Geophysical Research: Atmospheres. 12429-12451. 2018
• Atmospheric oxidation in the presence of clouds during the Deep Convective Clouds and Chemistry (DC3) study.  Atmospheric Chemistry and Physics. 14493-14510. 2018
• Development of a Fuel-Based Oil and Gas Inventory of Nitrogen Oxides Emissions.  Environmental Science and Technology (Washington). 10175-10185. 2018
• Quantifying Methane and Ethane Emissions to the Atmosphere From Central and Western US Oil and Natural Gas Production Regions.  Journal of Geophysical Research: Atmospheres. 7725-7740. 2018
• Assessment of methane emissions from the US oil and gas supply chain.  Science. 186-188. 2018
• Modeling Ozone in the Eastern US using a Fuel-Based Mobile Source Emissions Inventory.  Environmental Science and Technology (Washington). 7360-7370. 2018
• CO2 Transport, Variability, and Budget over the Southern California Air Basin Using the High-Resolution WRF-VPRM Model during the CalNex 2010 Campaign.  Journal of Applied Meteorology and Climatology. 1337-1352. 2018
• Observed NO/NO2 Ratios in the Upper Troposphere Imply Errors in NO-NO2-O-3 Cycling Kinetics or an Unaccounted NOx Reservoir.  Geophysical Research Letters. 4466-4474. 2018
• Diurnal Variability and Emission Pattern of Decamethylcyclopentasiloxane (D-5) from the Application of Personal Care Products in Two North American Cities.  Environmental Science and Technology (Washington). 5610-5618. 2018
• An aerosol particle containing enriched uranium encountered in the remote upper troposphere.  Journal of Environmental Radioactivity. 95-100. 2018
• Decadal changes in summertime reactive oxidized nitrogen and surface ozone over the Southeast United States.  Atmospheric Chemistry and Physics. 2341-2361. 2018
• Emissions of Glyoxal and Other Carbonyl Compounds from Agricultural Biomass Burning Plumes Sampled by Aircraft.  Environmental Science and Technology (Washington). 11761-11770. 2017
• Lightning NOx Emissions: Reconciling Measured and Modeled Estimates With Updated NOx Chemistry.  Geophysical Research Letters. 9479-9488. 2017
• Impact of evolving isoprene mechanisms on simulated formaldehyde: An inter-comparison supported by in situ observations from SENEX.  Atmospheric Environment. 325-336. 2017
• Observations of VOC emissions and photochemical products over US oil- and gas-producing regions using high-resolution H3O+ CIMS (PTR-ToF-MS).  Atmospheric Measurement Techniques. 2941-2968. 2017
• Transition from high- to low-NOx control of night-time oxidation in the southeastern US.  Nature Geoscience. 490-+. 2017
• Airborne measurements of western US wildfire emissions: Comparison with prescribed burning and air quality implications.  Journal of Geophysical Research: Atmospheres. 6108-6129. 2017
• Methane, Black Carbon, and Ethane Emissions from Natural Gas Flares in the Bakken Shale, North Dakota.  Environmental Science and Technology (Washington). 5317-5325. 2017
• Emissions of volatile organic compounds (VOCs) from concentrated animal feeding operations (CAFOs): chemical compositions and separation of sources.  Atmospheric Chemistry and Physics. 4945-4956. 2017
• Top-down estimate of methane emissions in California using a mesoscale inverse modeling technique: The San Joaquin Valley.  Journal of Geophysical Research: Atmospheres. 3686-3699. 2017
• Analysis of local-scale background concentrations of methane and other gas-phase species in the Marcellus Shale.  Elementa: Science of the Anthropocene. 1-20. 2017
• An improved, automated whole air sampler and gas chromatography mass spectrometry analysis system for volatile organic compounds in the atmosphere.  Atmospheric Measurement Techniques. 291-313. 2017
• On-road measurements of vehicle NO2/NOx emission ratios in Denver, Colorado, USA.  Atmospheric Environment. 182-189. 2017
• Why do models overestimate surface ozone in the Southeast United States?.  Atmospheric Chemistry and Physics. 13561-13577. 2016
• Characterization of Ammonia, Methane, and Nitrous Oxide Emissions from Concentrated Animal Feeding Operations in Northeastern Colorado.  Environmental Science and Technology (Washington). 10885-10893. 2016
• Emissions of nitrogen-containing organic compounds from the burning of herbaceous and arboraceous biomass: Fuel composition dependence and the variability of commonly used nitrile tracers.  Geophysical Research Letters. 9903-9912. 2016
• HONO emission and production determined from airborne measurements over the Southeast US.  Journal of Geophysical Research: Atmospheres. 9237-9250. 2016
• Influence of oil and gas emissions on summertime ozone in the Colorado Northern Front Range.  Journal of Geophysical Research: Atmospheres. 8712-8729. 2016
• Agricultural fires in the southeastern US during SEAC(4)RS: Emissions of trace gases and particles and evolution of ozone, reactive nitrogen, and organic aerosol.  Journal of Geophysical Research: Atmospheres. 7383-7414. 2016
• Convective transport of formaldehyde to the upper troposphere and lower stratosphere and associated scavenging in thunderstorms over the central United States during the 2012DC3 study.  Journal of Geophysical Research: Atmospheres. 7430-7460. 2016
• Injection of lightning-produced NOx, water vapor, wildfire emissions, and stratospheric air to the UT/LS as observed from DC3 measurements.  Journal of Geophysical Research: Atmospheres. 6638-6668. 2016
• Quantifying atmospheric methane emissions from oil and natural gas production in the Bakken shale region of North Dakota.  Journal of Geophysical Research: Atmospheres. 6101-6111. 2016
• Fugitive emissions from the Bakken shale illustrate role of shale production in global ethane shift.  Geophysical Research Letters. 4617-4623. 2016
• Convective transport and scavenging of peroxides by thunderstorms observed over the central US during DC3.  Journal of Geophysical Research: Atmospheres. 4272-4295. 2016
• Methane emissions from the 2015 Aliso Canyon blowout in Los Angeles, CA.  Science. 1317-1320. 2016
• Observational Constraints on the Oxidation of NOx in the Upper Troposphere.  The Journal of Physical Chemistry A: Isolated Molecules, Clusters, Radicals, and Ions; Environmental Chemistry, Geochemistry, and Astrochemistry; Theory. 1468-1478. 2016
• Airborne quantification of upper tropospheric NOx production from lightning in deep convective storms over the United States Great Plains.  Journal of Geophysical Research: Atmospheres. 2002-2028. 2016
• Formaldehyde production from isoprene oxidation across NOx regimes.  Atmospheric Chemistry and Physics. 2597-2610. 2016
• Instrumentation and measurement strategy for the NOAA SENEX aircraft campaign as part of the Southeast Atmosphere Study 2013.  Atmospheric Measurement Techniques. 3063-3093. 2016
• Quantifying sources and sinks of reactive gases in the lower atmosphere using airborne flux observations.  Geophysical Research Letters. 8231-8240. 2015
• Black Carbon Emissions from the Bakken Oil and Gas Development Region.  Environmental Science and Technology Letters. 281-285. 2015
• THE DEEP CONVECTIVE CLOUDS AND CHEMISTRY (DC3) FIELD CAMPAIGN.  Bulletin of the American Meteorological Society. 1281-1309. 2015
• Top-down estimate of methane emissions in California using a mesoscale inverse modeling technique: The South Coast Air Basin.  Journal of Geophysical Research: Atmospheres. 6698-6711. 2015
• Airborne flux measurements of methane and volatile organic compounds over the Haynesville and Marcellus shale gas production regions.  Journal of Geophysical Research: Atmospheres. 6271-6289. 2015
• Airborne measurements of the atmospheric emissions from a fuel ethanol refinery.  Journal of Geophysical Research: Atmospheres. 4385-4397. 2015
• Airborne measurements of organosulfates over the continental US.  Journal of Geophysical Research: Atmospheres. 2990-3005. 2015
• Upper tropospheric ozone production from lightning NOx-impacted convection: Smoke ingestion case study from the DC3 campaign.  Journal of Geophysical Research: Atmospheres. 2505-2523. 2015
• Quantifying atmospheric methane emissions from the Haynesville, Fayetteville, and northeastern Marcellus shale gas production regions.  Journal of Geophysical Research: Atmospheres. 2119-2139. 2015
• A large and ubiquitous source of atmospheric formic acid.  Atmospheric Chemistry and Physics. 6283-6304. 2015
• In situ vertical profiles of aerosol extinction, mass, and composition over the southeast United States during SENEX and SEAC(4)RS: observations of a modest aerosol enhancement aloft.  Atmospheric Chemistry and Physics. 7085-7102. 2015
• In situ vertical profiles of aerosol extinction, mass, and composition over the southeast United States during SENEX and SEAC(4)RS: observations of a modest aerosol enhancement aloft (vol 15, pg 7085, 2015).  Atmospheric Chemistry and Physics. 8455-8455. 2015
• Reassessing the ratio of glyoxal to formaldehyde as an indicator of hydrocarbon precursor speciation.  Atmospheric Chemistry and Physics. 7571-7583. 2015
• The POLARCAT Model Intercomparison Project (POLMIP): overview and evaluation with observations.  Atmospheric Chemistry and Physics. 6721-6744. 2015
• Understanding high wintertime ozone pollution events in an oil- and natural gas-producing region of the western US.  Atmospheric Chemistry and Physics. 411-429. 2015
• Thunderstorms enhance tropospheric ozone by wrapping and shedding stratospheric air.  Geophysical Research Letters. 7785-7790. 2014
• Chlorine as a primary radical: evaluation of methods to understand its role in initiation of oxidative cycles.  Atmospheric Chemistry and Physics. 3427-3440. 2014
• Emissions of organic carbon and methane from petroleum and dairy operations in California's San Joaquin Valley.  Atmospheric Chemistry and Physics. 4955-4978. 2014
• Evaluation of the airborne quantum cascade laser spectrometer (QCLS) measurements of the carbon and greenhouse gas suite - CO2, CH4, N2O, and CO - during the CalNex and HIPPO campaigns.  Atmospheric Measurement Techniques. 1509-1526. 2014
• Volatile organic compound emissions from the oil and natural gas industry in the Uintah Basin, Utah: oil and gas well pad emissions compared to ambient air composition.  Atmospheric Chemistry and Physics. 10977-10988. 2014
• Quantifying sources of methane using light alkanes in the Los Angeles basin, California.  Journal of Geophysical Research: Atmospheres. 4974-4990. 2013
• Biogenic VOC oxidation and organic aerosol formation in an urban nocturnal boundary layer: aircraft vertical profiles in Houston, TX.  Atmospheric Chemistry and Physics. 11317-11337. 2013
• Diurnal tracking of anthropogenic CO2 emissions in the Los Angeles basin megacity during spring 2010.  Atmospheric Chemistry and Physics. 4359-4372. 2013
• Ozone photochemistry in an oil and natural gas extraction region during winter: simulations of a snow-free season in the Uintah Basin, Utah.  Atmospheric Chemistry and Physics. 8955-8971. 2013
• Top-down estimate of surface flux in the Los Angeles Basin using a mesoscale inverse modeling technique: assessing anthropogenic emissions of CO, NOx and CO2 and their impacts.  Atmospheric Chemistry and Physics. 3661-3677. 2013
• Air quality implications of the Deepwater Horizon oil spill.  Proceedings of the National Academy of Sciences of USA. 20280-20285. 2012
• Chemical data quantify Deepwater Horizon hydrocarbon flow rate and environmental distribution.  Proceedings of the National Academy of Sciences of USA. 20246-20253. 2012
• Airborne observations of methane emissions from rice cultivation in the Sacramento Valley of California.  Journal of Geophysical Research: Atmospheres. 2012
• Multiyear trends in volatile organic compounds in Los Angeles, California: Five decades of decreasing emissions.  Journal of Geophysical Research: Atmospheres. 2012
• Increasing atmospheric burden of ethanol in the United States.  Geophysical Research Letters. 2012
• Ozone and alkyl nitrate formation from the Deepwater Horizon oil spill atmospheric emissions.  Journal of Geophysical Research: Atmospheres. 2012
• Effects of NOx control and plume mixing on nighttime chemical processing of plumes from coal-fired power plants.  Journal of Geophysical Research: Atmospheres. 2012
• A new inversion method to calculate emission inventories without a prior at mesoscale: Application to the anthropogenic CO2 emission from Houston, Texas.  Journal of Geophysical Research: Atmospheres. 2012
• Airborne and ground-based observations of a weekend effect in ozone, precursors, and oxidation products in the California South Coast Air Basin.  Journal of Geophysical Research: Atmospheres. 2012
• Observation and modeling of the evolution of Texas power plant plumes.  Atmospheric Chemistry and Physics. 455-468. 2012
• Primary and secondary sources of formaldehyde in urban atmospheres: Houston Texas region.  Atmospheric Chemistry and Physics. 3273-3288. 2012
• Budgets for nocturnal VOC oxidation by nitrate radicals aloft during the 2006 Texas Air Quality Study.  Journal of Geophysical Research: Atmospheres. 2011
• Impact of Fuel Quality Regulation and Speed Reductions on Shipping Emissions: Implications for Climate and Air Quality.  Environmental Science and Technology (Washington). 9052-9060. 2011
• Characteristics of black carbon aerosol from a surface oil burn during the Deepwater Horizon oil spill.  Geophysical Research Letters. 2011
• Atmospheric emissions from the Deepwater Horizon spill constrain air-water partitioning, hydrocarbon fate, and leak rate.  Geophysical Research Letters. 2011
• Characteristics, sources, and transport of aerosols measured in spring 2008 during the aerosol, radiation, and cloud processes affecting Arctic Climate (ARCPAC) Project.  Atmospheric Chemistry and Physics. 2423-2453. 2011
• Evaluations of NOx and highly reactive VOC emission inventories in Texas and their implications for ozone plume simulations during the Texas Air Quality Study 2006.  Atmospheric Chemistry and Physics. 11361-11386. 2011
• Airborne observations of ammonia and ammonium nitrate formation over Houston, Texas.  Journal of Geophysical Research: Atmospheres. 2010
• Characterization of NOx, SO2, ethene, and propene from industrial emission sources in Houston, Texas.  Journal of Geophysical Research: Atmospheres. 2010
• A top-down analysis of emissions from selected Texas power plants during TexAQS 2000 and 2006.  Journal of Geophysical Research: Atmospheres. 2010
• Biogenic emission measurement and inventories determination of biogenic emissions in the eastern United States and Texas and comparison with biogenic emission inventories.  Journal of Geophysical Research: Atmospheres. 2010
• Aircraft observations of enhancement and depletion of black carbon mass in the springtime Arctic.  Atmospheric Chemistry and Physics. 9667-9680. 2010
• Bromine measurements in ozone depleted air over the Arctic Ocean.  Atmospheric Chemistry and Physics. 6503-6514. 2010
• Organic aerosol formation in urban and industrial plumes near Houston and Dallas, Texas.  Journal of Geophysical Research: Atmospheres. 2009
• Heating rates and surface dimming due to black carbon aerosol absorption associated with a major US city.  Geophysical Research Letters. 2009
• An evaluation of real-time air quality forecasts and their urban emissions over eastern Texas during the summer of 2006 Second Texas Air Quality Study field study.  Journal of Geophysical Research: Atmospheres. 2009
• Relationship between photochemical ozone production and NOx oxidation in Houston, Texas.  Journal of Geophysical Research: Atmospheres. 2009
• Biomass burning in Siberia and Kazakhstan as an important source for haze over the Alaskan Arctic in April 2008.  Geophysical Research Letters. 2009
• Measurement of the mixing state, mass, and optical size of individual black carbon particles in urban and biomass burning emissions.  Geophysical Research Letters. 2008
• Observations of hydroxyl and the sum of peroxy radicals at Summit, Greenland during summer 2003.  Atmospheric Environment. 5122-5137. 2007
• Mixing between a stratospheric intrusion and a biomass burning plume.  Atmospheric Chemistry and Physics. 4229-4235. 2007