selected publications
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conference proceeding
- Homogenous and heterogeneous chemistry of nocturnal nitrogen oxides in high biogenic VOC environments: Implications for NOx removal, halogen activation, and SOA formation. ACS National Meeting Book of Abstracts. 2014
- Characterization of ammonia emissions from agricultural sources in California and their implications for ammonium nitrate formation. ACS National Meeting Book of Abstracts. 2012
- Airborne observations of ammonia emissions from agricultural sources and their implications for ammonium nitrate formation in California. ACS National Meeting Book of Abstracts. 2011
- Nitric acid formation in urban, power plant, and industrial plumes during the texas air quality study. 258-259. 2002
- Particle growth in urban and industrial plumes in Texas. 260-262. 2002
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journal article
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A portable, robust, stable, and tunable calibration source for gas-phase nitrous acid (HONO).
Atmospheric Measurement Techniques.
5873-5890.
2020
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A vacuum ultraviolet ion source (VUV-IS) for iodide-chemical ionization mass spectrometry: a substitute for radioactive ion sources.
Atmospheric Measurement Techniques.
3683-3696.
2020
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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
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Exploring Oxidation in the Remote Free Troposphere: Insights From Atmospheric Tomography (ATom).
Journal of Geophysical Research: Atmospheres.
2020
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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
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Hydrocarbon Removal in Power Plant Plumes Shows Nitrogen Oxide Dependence of Hydroxyl Radicals.
Geophysical Research Letters.
7752-7760.
2019
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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
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Decadal changes in summertime reactive oxidized nitrogen and surface ozone over the Southeast United States.
Atmospheric Chemistry and Physics.
2341-2361.
2018
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Emissions of Glyoxal and Other Carbonyl Compounds from Agricultural Biomass Burning Plumes Sampled by Aircraft.
Environmental Science and Technology (Washington).
11761-11770.
2017
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Transition from high- to low-NOx control of night-time oxidation in the southeastern US.
Nature Geoscience.
490-+.
2017
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Evaluation of the accuracy of thermal dissociation CRDS and LIF techniques for atmospheric measurement of reactive nitrogen species.
Atmospheric Measurement Techniques.
1911-1926.
2017
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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
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Modeling the diurnal variability of agricultural ammonia in Bakersfield, California, during the CalNex campaign.
Atmospheric Chemistry and Physics.
2721-2739.
2017
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On-road measurements of vehicle NO2/NOx emission ratios in Denver, Colorado, USA.
Atmospheric Environment.
182-189.
2017
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Why do models overestimate surface ozone in the Southeast United States?.
Atmospheric Chemistry and Physics.
13561-13577.
2016
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Characterization of Ammonia, Methane, and Nitrous Oxide Emissions from Concentrated Animal Feeding Operations in Northeastern Colorado.
Environmental Science and Technology (Washington).
10885-10893.
2016
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Interannual variability of ammonia concentrations over the United States: sources and implications.
Atmospheric Chemistry and Physics.
12305-12328.
2016
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Enhanced formation of isoprene-derived organic aerosol in sulfur-rich power plant plumes during Southeast Nexus.
Journal of Geophysical Research: Atmospheres.
11137-11153.
2016
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HONO emission and production determined from airborne measurements over the Southeast US.
Journal of Geophysical Research: Atmospheres.
9237-9250.
2016
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Modeling the weekly cycle of NOx and CO emissions and their impacts on O-3 in the Los Angeles-South Coast Air Basin during the CalNex 2010 field campaign.
Journal of Geophysical Research: Atmospheres.
1340-1360.
2016
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Instrumentation and measurement strategy for the NOAA SENEX aircraft campaign as part of the Southeast Atmosphere Study 2013.
Atmospheric Measurement Techniques.
3063-3093.
2016
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Validation of TES ammonia observations at the single pixel scale in the San Joaquin Valley during DISCOVER-AQ.
Journal of Geophysical Research: Atmospheres.
5140-5154.
2015
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Airborne measurements of the atmospheric emissions from a fuel ethanol refinery.
Journal of Geophysical Research: Atmospheres.
4385-4397.
2015
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Quantifying atmospheric methane emissions from the Haynesville, Fayetteville, and northeastern Marcellus shale gas production regions.
Journal of Geophysical Research: Atmospheres.
2119-2139.
2015
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A large and ubiquitous source of atmospheric formic acid.
Atmospheric Chemistry and Physics.
6283-6304.
2015
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Towards validation of ammonia (NH3) measurements from the IASI satellite.
Atmospheric Measurement Techniques.
1575-1591.
2015
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Meteorological Influences on Trace Gas Transport along the North Atlantic Coast during ICARTT 2004.
Atmosphere.
973-1001.
2014
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Changes in nitrogen oxides emissions in California during 2005-2010 indicated from top-down and bottom-up emission estimates.
Journal of Geophysical Research: Atmospheres.
12928-12952.
2014
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Fine-scale simulation of ammonium and nitrate over the South Coast Air Basin and San Joaquin Valley of California during CalNex-2010.
Journal of Geophysical Research: Atmospheres.
3600-3614.
2014
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An investigation of ammonia and inorganic particulate matter in California during the CalNex campaign.
Journal of Geophysical Research: Atmospheres.
1883-1902.
2014
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High levels of molecular chlorine in the Arctic atmosphere.
Nature Geoscience.
91-94.
2014
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WRF-Chem simulation of NOx and O-3 in the LA basin during CalNex-2010.
Atmospheric Environment.
421-432.
2013
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Trends in ozone, its precursors, and related secondary oxidation products in Los Angeles, California: A synthesis of measurements from 1960 to 2010.
Journal of Geophysical Research: Atmospheres.
5893-5911.
2013
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Inorganic and black carbon aerosols in the Los Angeles Basin during CalNex.
Journal of Geophysical Research: Atmospheres.
1777-1803.
2013
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Revised UV absorption spectra, ozone depletion potentials, and global warming potentials for the ozone-depleting substances CF2Br2, CF2ClBr, and CF2BrCF2Br.
Geophysical Research Letters.
464-469.
2013
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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
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Air quality implications of the Deepwater Horizon oil spill.
Proceedings of the National Academy of Sciences of USA.
20280-20285.
2012
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Biomass burning in Siberia as a source of BrO to the Arctic free troposphere.
Atmospheric Environment.
416-423.
2012
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Ozone and alkyl nitrate formation from the Deepwater Horizon oil spill atmospheric emissions.
Journal of Geophysical Research: Atmospheres.
2012
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Ammonia sources in the California South Coast Air Basin and their impact on ammonium nitrate formation.
Geophysical Research Letters.
2012
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Effects of NOx control and plume mixing on nighttime chemical processing of plumes from coal-fired power plants.
Journal of Geophysical Research: Atmospheres.
2012
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Evolution of aerosol properties impacting visibility and direct climate forcing in an ammonia-rich urban environment.
Journal of Geophysical Research: Atmospheres.
2012
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Observations of inorganic bromine (HOBr, BrO, and Br-2) speciation at Barrow, Alaska, in spring 2009.
Journal of Geophysical Research: Atmospheres.
2012
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Observations of ozone transport from the free troposphere to the Los Angeles basin.
Journal of Geophysical Research: Atmospheres.
2012
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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
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Analysis of satellite-derived Arctic tropospheric BrO columns in conjunction with aircraft measurements during ARCTAS and ARCPAC.
Atmospheric Chemistry and Physics.
1255-1285.
2012
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Characteristics of tropospheric ozone depletion events in the Arctic spring: analysis of the ARCTAS, ARCPAC, and ARCIONS measurements and satellite BrO observations.
Atmospheric Chemistry and Physics.
9909-9922.
2012
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Characterization of soluble bromide measurements and a case study of BrO observations during ARCTAS.
Atmospheric Chemistry and Physics.
1327-1338.
2012
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Observation and modeling of the evolution of Texas power plant plumes.
Atmospheric Chemistry and Physics.
455-468.
2012
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Atmospheric emissions from the Deepwater Horizon spill constrain air-water partitioning, hydrocarbon fate, and leak rate.
Geophysical Research Letters.
2011
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A comparison of Arctic BrO measurements by chemical ionization mass spectrometry and long path-differential optical absorption spectroscopy.
Journal of Geophysical Research: Atmospheres.
2011
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Dependence of daily peak O-3 concentrations near Houston, Texas on environmental factors: Wind speed, temperature, and boundary-layer depth.
Atmospheric Environment.
162-173.
2011
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Modeling ozone plumes observed downwind of New York City over the North Atlantic Ocean during the ICARTT field campaign.
Atmospheric Chemistry and Physics.
7375-7397.
2011
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Airborne observations of ammonia and ammonium nitrate formation over Houston, Texas.
Journal of Geophysical Research: Atmospheres.
2010
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A new interpretation of total column BrO during Arctic spring.
Geophysical Research Letters.
2010
-
Bromine measurements in ozone depleted air over the Arctic Ocean.
Atmospheric Chemistry and Physics.
6503-6514.
2010
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Measurement of HONO, HNCO, and other inorganic acids by negative-ion proton-transfer chemical-ionization mass spectrometry (NI-PT-CIMS): application to biomass burning emissions.
Atmospheric Measurement Techniques.
981-990.
2010
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Organic aerosol formation in urban and industrial plumes near Houston and Dallas, Texas.
Journal of Geophysical Research: Atmospheres.
2009
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Reactive uptake coefficients for N2O5 determined from aircraft measurements during the Second Texas Air Quality Study: Comparison to current model parameterizations.
Journal of Geophysical Research: Atmospheres.
2009
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Relationship between photochemical ozone production and NOx oxidation in Houston, Texas.
Journal of Geophysical Research: Atmospheres.
2009
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A case study of ozone production, nitrogen oxides, and the radical budget in Mexico City.
Atmospheric Chemistry and Physics.
2499-2516.
2009
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Nocturnal isoprene oxidation over the Northeast United States in summer and its impact on reactive nitrogen partitioning and secondary organic aerosol.
Atmospheric Chemistry and Physics.
3027-3042.
2009
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Sources of particulate matter in the northeastern United States in summer: 2. Evolution of chemical and microphysical properties.
Journal of Geophysical Research: Atmospheres.
2008
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Lagrangian analysis of low altitude anthropogenic plume processing across the North Atlantic.
Atmospheric Chemistry and Physics.
7737-7754.
2008
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Vertical profiles in NO3 and N2O5 measured from an aircraft: Results from the NOAA P-3 and surface platforms during the New England Air Quality Study 2004.
Journal of Geophysical Research: Atmospheres.
2007
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Surface and lightning sources of nitrogen oxides over the United States: Magnitudes, chemical evolution, and outflow.
Journal of Geophysical Research: Atmospheres.
2007
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A chemical ionization mass spectrometry technique for airborne measurements of ammonia.
Journal of Geophysical Research: Atmospheres.
2007
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Mixing between a stratospheric intrusion and a biomass burning plume.
Atmospheric Chemistry and Physics.
4229-4235.
2007
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Concentrations and sources of organic carbon aerosols in the free troposphere over North America.
Journal of Geophysical Research: Atmospheres.
2006
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Quantifying wet scavenging processes in aircraft observations of nitric acid and cloud condensation nuclei.
Journal of Geophysical Research: Atmospheres.
2006
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Analysis of urban gas phase ammonia measurements from the 2002 Atlanta Aerosol Nucleation and Real-Time Characterization Experiment (ANARChE).
Journal of Geophysical Research: Atmospheres.
2006
-
Reactive nitrogen transport and photochemistry in urban plumes over the North Atlantic Ocean.
Journal of Geophysical Research: Atmospheres.
2006
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Evaluation of space-based constraints on global nitrogen oxide emissions with regional aircraft measurements over and downwind of eastern North America.
Journal of Geophysical Research: Atmospheres.
2006
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Effects of changing power plant NOx emissions on ozone in the eastern United States: Proof of concept.
Journal of Geophysical Research: Atmospheres.
2006
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Nocturnal odd-oxygen budget and its implications for ozone loss in the lower troposphere.
Geophysical Research Letters.
2006
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An investigation of the chemistry of ship emission plumes during ITCT 2002.
Journal of Geophysical Research: Atmospheres.
2005
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Ozone production in transpacific Asian pollution plumes and implications for ozone air quality in California.
Journal of Geophysical Research: Atmospheres.
2004
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Nitric acid loss rates measured in power plant plumes.
Journal of Geophysical Research: Atmospheres.
2004
-
Measurement of peroxycarboxylic nitric anhydrides (PANs) during the ITCT 2K2 aircraft intensive experiment.
Journal of Geophysical Research: Atmospheres.
2004
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Gas-phase chemical characteristics of Asian emission plumes observed during ITCT 2K2 over the eastern North Pacific Ocean.
Journal of Geophysical Research: Atmospheres.
2004
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Particle characteristics following cloud-modified transport from Asia to North America.
Journal of Geophysical Research: Atmospheres.
2004
-
Fraction and composition of NOy transported in air masses lofted from the North American continental boundary layer.
Journal of Geophysical Research: Atmospheres.
2004
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Variability in ammonium nitrate formation and nitric acid depletion with altitude and location over California.
Journal of Geophysical Research: Atmospheres.
2003
-
Calibration and evaluation of nitric acid and ammonia permeation tubes by UV optical absorption.
Environmental Science and Technology (Washington).
2975-2981.
2003
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Effect of petrochemical industrial emissions of reactive alkenes and NOx on tropospheric ozone formation in Houston, Texas.
Journal of Geophysical Research: Atmospheres.
2003
-
Particle growth in urban and industrial plumes in Texas.
Journal of Geophysical Research: Atmospheres.
2003
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Signatures of terminal alkene oxidation in airborne formaldehyde measurements during TexAQS 2000.
Journal of Geophysical Research: Atmospheres.
2003
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The emission and chemistry of reactive nitrogen species in the plume of an Athena II solid-fuel rocket motor.
Geophysical Research Letters.
2002
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Fast-response airborne in situ measurements of HNO3 during the Texas 2000 Air Quality Study.
Journal of Geophysical Research.
2002
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In situ measurements of HNO3, NOy, NO, and O-3 in the lower stratosphere and upper troposphere.
Atmospheric Environment.
5789-5797.
2001
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Jno(2) at high solar zenith angles in the lower stratosphere.
Geophysical Research Letters.
2405-2408.
2001
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A fast-response chemical ionization mass spectrometer for in situ measurements of HNO3 in the upper troposphere and lower stratosphere.
Review of Scientific Instruments.
3886-3894.
2000
-
Computer-controlled Teflon flow control valve.
Review of Scientific Instruments.
4732-4733.
1999
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Comparison of modeled and observed values of NO2 and JNO(2) during the Photochemistry of Ozone Loss in the Arctic Region in Summer (POLARIS) mission.
Journal of Geophysical Research: Atmospheres.
26687-26703.
1999
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Subsidence, mixing, and denitrification of Arctic polar vortex air measured During POLARIS.
Journal of Geophysical Research: Atmospheres.
26611-26623.
1999
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A comparison of observations and model simulations of NOx/NOy in the lower stratosphere.
Geophysical Research Letters.
1153-1156.
1999
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Study of inlet materials for sampling atmospheric nitric acid.
Environmental Science and Technology (Washington).
1133-1136.
1999
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Design and initial characterization of an inlet for gas-phase NOy measurements from aircraft.
Journal of Geophysical Research: Atmospheres.
5483-5492.
1999
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Effects of alignment on strontium energy pooling collisions.
Physical Review A: Atomic, Molecular and Optical Physics.
2231-2234.
1998
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Velocity dependence of energy pooling collisions in strontium.
Physical Review A: Atomic, Molecular and Optical Physics.
432-442.
1997
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ROBUST HIGH-TEMPERATURE SAPPHIRE CELL FOR METAL VAPORS.
Review of Scientific Instruments.
3021-3023.
1995
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ENERGY-POOLING COLLISIONS IN BARIUM.
Physical Review A: Atomic, Molecular and Optical Physics.
1292-1300.
1994
-
A portable, robust, stable, and tunable calibration source for gas-phase nitrous acid (HONO).
Atmospheric Measurement Techniques.
5873-5890.
2020