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Impacts of Interannual Isoprene Variations on Methane Lifetimes and Trends
AGU 2024
atmospheric sciences | 13 december 2024
James (Young Suk) Yoon, Kelley C. Wells, Dylan B. ...
Methane is a potent greenhouse gas that has an atmospheric lifetime of 9-12 years due to its reaction with the hydroxyl radical (OH). Recent trends in...
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Using ML-based measurements of tropospheric ethane from the Cross-track Infrared Sounder to estimate ethane emission fluxes in fossil fuel production basins
AGU 2024
atmospheric sciences | 13 december 2024
Jared Brewer, Dylan B. Millet, Kelley C. Wells, Vi...
Atmospheric ethane is the most abundant non-methane hydrocarbon in the troposphere. It is emitted predominantly from the oil and gas sector and is an ...
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Top-down Constraints on Methane Source Partitioning in the Upper Midwestern United States
AGU 2024
biogeosciences | 12 december 2024
Ke Xiao, Timothy J. Griffis, Dylan B. Millet, Feng...
Tall tower concentration measurements provide critical top-down constraints on regional methane emissions. The typical concentration footprint of a ta...
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Resolving methane sources and sinks in 2020 using satellite observations of the methane oxidation chain
AGU 2024
biogeosciences | 12 december 2024
Xueying Yu, Dylan B. Millet, Daven K. Henze, Helen...
Satellite observations show that atmospheric methane increased by a record-breaking 19 ppb/y in 2020. Uncertainties in atmospheric OH associated with ...
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Combining Measurements and Models to Understand the Influence of Biosphere-Atmosphere Interactions on Atmospheric Chemistry
AGU 2024
atmospheric sciences | 11 december 2024
Michael P Vermeuel, Dylan B. Millet, Delphine Farm...
The chemistry and composition of the atmosphere is strongly influenced by its coupling with the Earths surface. These surface-atmosphere exchange proc...
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VOC Source Apportionment in an Urban Environment Using Eddy Covariance Flux Measurements
AGU 2024
atmospheric sciences | 10 december 2024
Michael P Vermeuel, Dylan B. Millet, Roisin Comman...
There is a wide array of anthropogenic and biogenic volatile organic compound (VOC) sources in urban environments, including fossil-fuel combustion (e...
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Recommendations for a robust observing strategy to indirectly constrain the distribution and spatio-temporal variability of the tropospheric hydroxyl radical
AGU 2024
atmospheric sciences | 10 december 2024
Daniel C. Anderson, Bryan N. Duncan, Arlene M. Fio...
The hydroxyl radical (OH) plays a central role in tropospheric chemistry including by regulating the lifetime of some potent greenhouse gases, such as...
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Detecting and Quantifying Wildfire VOCs Using Airborne Remote Sensing
AGU 2024
atmospheric sciences | 10 december 2024
Chengyuan Hu, Dylan B. Millet, Kelley C. Wells, Ja...
Biomass burning is a large source of atmospheric volatile organic compounds (VOCs), which have both direct and indirect impacts on air quality and Ear...
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