selected publications
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conference proceeding
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The impact of natural and anthropogenic hydrocarbons on the tropospheric budget of carbon monoxide.
Atmospheric Environment.
5255-5270.
1999
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The impact of natural and anthropogenic hydrocarbons on the tropospheric budget of carbon monoxide.
Atmospheric Environment.
5255-5270.
1999
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journal article
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Atmospheric H2 observations from the NOAA Cooperative Global Air Sampling Network.
Atmospheric Measurement Techniques.
4803-4823.
2024
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Nonlinear and Non-Gaussian Ensemble Assimilation of MOPITT CO.
Journal of Geophysical Research: Atmospheres.
2024
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Reanalysis of NOAA H2 observations: implications for the H2 budget.
Atmospheric Chemistry and Physics.
4217-4229.
2024
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Results of a long-term international comparison of greenhouse gas and isotope measurements at the Global Atmosphere Watch (GAW) Observatory in Alert, Nunavut, Canada.
Atmospheric Measurement Techniques.
5909-5935.
2023
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Reconstructing atmospheric H2 over the past century from bi-polar firn air records.
Climate of the Past.
2535-2550.
2023
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Sixteen years of MOPITT satellite data strongly constrain Amazon CO fire emissions.
Atmospheric Chemistry and Physics.
14735-14750.
2022
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Temporary pause in the growth of atmospheric ethane and propane in 2015-2018.
Atmospheric Chemistry and Physics.
15153-15170.
2021
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H2 in Antarctic firn air: Atmospheric reconstructions and implications for anthropogenic emissions.
Proceedings of the National Academy of Sciences of USA.
2021
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GLOBAL CLIMATE.
Bulletin of the American Meteorological Society.
S11-S141.
2021
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Atmospheric oil and natural gas hydrocarbon trends in the Northern Colorado Front Range are notably smaller than inventory emissions reductions.
Elementa: Science of the Anthropocene.
2021
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Improved Constraints on Global Methane Emissions and Sinks Using δ13C-CH4.
Global Biogeochemical Cycles: an international journal of global change.
2021
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Observations of atmospheric 14CO2 at Anmyeondo GAW station, South Korea: implications for fossil fuel CO2 and emission ratios.
Atmospheric Chemistry and Physics.
12033-12045.
2020
- GLOBAL CLIMATE. Bulletin of the American Meteorological Society. S17-S127. 2020
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Atmospheric History of H2 Over the Past Century Reconstructed From South Pole Firn Air.
Geophysical Research Letters.
2020
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The Chemistry Mechanism in the Community Earth System Model Version 2 (CESM2).
Journal of Advances in Modeling Earth Systems.
2020
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Investigating large methane enhancements in the US San Juan Basin.
Elementa: Science of the Anthropocene.
2020
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Methane source attribution in a US dry gas basin using spatial patterns of ground and airborne ethane and methane measurements.
Elementa: Science of the Anthropocene.
2019
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Aerially guided leak detection and repair: A pilot field study for evaluating the potential of methane emission detection and cost-effectiveness.
Journal of the Air and Waste Management Association.
71-88.
2019
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Temporal variability largely explains top-down/bottom-up difference in methane emission estimates from a natural gas production region.
Proceedings of the National Academy of Sciences of USA.
11712-11717.
2018
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Comparison of methane emission estimates from multiple measurement techniques at natural gas production pads.
Elementa: Science of the Anthropocene.
2017
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Comparing facility-level methane emission rate estimates at natural gas gathering and boosting stations.
Elementa: Science of the Anthropocene.
2017
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Gathering pipeline methane emissions in Fayetteville shale pipelines and scoping guidelines for future pipeline measurement campaigns.
Elementa: Science of the Anthropocene.
2017
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Natural gas facility methane emissions: measurements by tracer flux ratio in two US natural gas producing basins.
Elementa: Science of the Anthropocene.
2017
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Surface ozone in the Colorado northern Front Range and the influence of oil and gas development during FRAPPE/DISCOVER-AQ in summer 2014.
Elementa: Science of the Anthropocene.
2017
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Application of Gauss's theorem to quantify localized surface emissions from airborne measurements of wind and trace gases.
Atmospheric Measurement Techniques.
3345-3358.
2017
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Improved Mechanistic Understanding of Natural Gas Methane Emissions from Spatially Resolved Aircraft Measurements.
Environmental Science and Technology (Washington).
7286-7294.
2017
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US CH4 emissions from oil and gas production: Have recent large increases been detected?.
Journal of Geophysical Research: Atmospheres.
4070-4083.
2017
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O-3, CH4, CO2, CO, NO2 and NMHC aircraft measurements in the Uinta Basin oil and gas region under low and high ozone conditions in winter 2012 and 2013.
Elementa: Science of the Anthropocene.
2016
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Quantifying wintertime boundary layer ozone production from frequent profile measurements in the Uinta Basin, UT, oil and gas region.
Journal of Geophysical Research: Atmospheres.
11038-11054.
2016
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Aircraft-Based Estimate of Total Methane Emissions from the Barnett Shale Region.
Environmental Science and Technology (Washington).
8124-8131.
2015
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Mobile Laboratory Observations of Methane Emissions in the Barnett Shale Region.
Environmental Science and Technology (Washington).
7889-7895.
2015
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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
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Frequency-comb-based remote sensing of greenhouse gases over kilometer air paths.
Optica.
290-298.
2014
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Air Impacts of Increased Natural Gas Acquisition, Processing, and Use: A Critical Review.
Environmental Science and Technology (Washington).
8349-8359.
2014
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Demonstration of an Ethane Spectrometer for Methane Source Identification.
Environmental Science and Technology (Washington).
8028-8034.
2014
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A new look at methane and nonmethane hydrocarbon emissions from oil and natural gas operations in the Colorado Denver-Julesburg Basin.
Journal of Geophysical Research: Atmospheres.
6836-6852.
2014
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Methane Leaks from North American Natural Gas Systems.
Science.
733-735.
2014
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Measurements of hydrogen sulfide (H2S) using PTR-MS: calibration, humidity dependence, inter-comparison and results from field studies in an oil and gas production region.
Atmospheric Measurement Techniques.
3597-3610.
2014
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The Environmental Costs and Benefits of Fracking.
Annual Review of Environment and Resources.
327-362.
2014
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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
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Methane emissions estimate from airborne measurements over a western United States natural gas field.
Geophysical Research Letters.
4393-4397.
2013
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Reply to comment on "Hydrocarbon emissions characterization in the Colorado Front Range-A pilot study" by Michael A. Levi.
Journal of Geophysical Research: Atmospheres.
236-242.
2013
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A 60 yr record of atmospheric carbon monoxide reconstructed from Greenland firn air.
Atmospheric Chemistry and Physics.
7567-7585.
2013
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Constraints on emissions of carbon monoxide, methane, and a suite of hydrocarbons in the Colorado Front Range using observations of 14CO2.
Atmospheric Chemistry and Physics.
11101-11120.
2013
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New Directions: Toward a community emissions approach.
Atmospheric Environment.
333-334.
2012
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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
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Hydrocarbon emissions characterization in the Colorado Front Range: A pilot study.
Journal of Geophysical Research: Atmospheres.
2012
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North American CO2 exchange: inter-comparison of modeled estimates with results from a fine-scale atmospheric inversion.
Biogeosciences.
457-475.
2012
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Top-down estimate of anthropogenic emission inventories and their interannual variability in Houston using a mesoscale inverse modeling technique.
Journal of Geophysical Research: Atmospheres.
2011
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Impact of CO2 measurement bias on CarbonTracker surface flux estimates.
Journal of Geophysical Research: Atmospheres.
2011
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Emissions of gases and particles from biomass burning during the 20th century using satellite data and an historical reconstruction.
Atmospheric Environment.
1469-1477.
2010
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Comparison of global inventories of CO emissions from biomass burning derived from remotely sensed data.
Atmospheric Chemistry and Physics.
12173-12189.
2010
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High-resolution emissions of CO2 from power generation in the USA.
Journal of Geophysical Research: Biogeosciences.
2008
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An atmospheric perspective on North American carbon dioxide exchange:: CarbonTracker.
Proceedings of the National Academy of Sciences of USA.
18925-18930.
2007
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Multimodel simulations of carbon monoxide:: Comparison with observations and projected near-future changes.
Journal of Geophysical Research: Atmospheres.
2006
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Southern Hemisphere carbon monoxide interannual variability observed by Terra/Measurement of Pollution in the Troposphere (MOPITT).
Journal of Geophysical Research: Atmospheres.
2006
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Ozarks Isoprene Experiment (OZIE):: Measurements and modeling of the "isoprene volcano'' -: art. no. D18307.
Journal of Geophysical Research: Atmospheres.
2005
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Quantifying CO emissions from the 2004 Alaskan wildfires using MOPITT CO data -: art. no. L11809.
Geophysical Research Letters.
2005
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Observations of carbon monoxide and aerosols from the Terra satellite:: Northern Hemisphere variability -: art. no. D24202.
Journal of Geophysical Research: Atmospheres.
2004
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Monthly CO surface sources inventory based on the 2000-2001 MOPITT satellite data -: art. no. L21107.
Geophysical Research Letters.
2004
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Assimilation of the 2000-2001 CO MOPITT retrievals with optimized surface emissions.
Geophysical Research Letters.
2004
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Evaluation of CO simulations and the analysis of the CO budget for Europe.
Journal of Geophysical Research: Atmospheres.
2004
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Biogenic VOC emissions from forested Amazonian landscapes.
Global Change Biology.
651-662.
2004
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Inverse modeling of carbon monoxide surface emissions using Climate Monitoring and Diagnostics Laboratory network observations -: art. no. 4761.
Journal of Geophysical Research: Atmospheres.
2002
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Seasonal temperature variations influence isoprene emission.
Geophysical Research Letters.
1707-1710.
2001
... more -
Atmospheric H2 observations from the NOAA Cooperative Global Air Sampling Network.
Atmospheric Measurement Techniques.
4803-4823.
2024