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Unravelling Urban NOx Emission Sources in Polluted Arctic Wintertime Using NO2 Nitrogen Isotopes: Results from the ALPACA-2022 Campaign
AGU 2024
atmospheric sciences | 13 december 2024
Sarah Albertin, Slimane Bekki, Joel P. Savarino, N...
Nitrogen (N) stable isotopes measured in atmospheric reactive N species can help trace emission sources of nitrogen oxides (NOx). However, N isotopic ...
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Subannual Ice Core Measurements of Biogenic Sulfate Aerosol from 1995 to 2023
AGU 2024
cryosphere | 13 december 2024
E Drew Pronovost, Ursula A. Jongebloed, Andrew J. ...
Marine phytoplankton directly emit dimethyl sulfide (DMS) to the atmosphere. DMS undergoes a series of oxidation reactions leading to the formation o...
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Seasonality of halogen chemistry in the Tropical Marine Boundary Layer: Insights and Results from a 1D Chemistry and Transport Model of Observations from the BLEACH Experiment.
AGU 2024
atmospheric sciences | 12 december 2024
Alyson Fritzmann, Jochen Stutz, Sol Cooperdock, Sa...
Reactive halogen species (RHS) play an important role in the oxidation chemistry and ozone budget of the tropical marine boundary layer. However, due ...
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Gas Phase Reactive Bromine in the Marine Boundary Layer
AGU 2024
atmospheric sciences | 12 december 2024
Phil Rund, Joel A. Thornton, Ben Lee, Allison Moon...
Reactive halogen species affect ozone (O3) concentrations as well as the cycling of HOx and NOx, with implications for the oxidative capacity of the a...
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New Insights into the Role of Heterogeneous Chemistry in Regulating Gas-Phase Reactive Iodine Abundance in the Marine Boundary Layer
AGU 2024
atmospheric sciences | 12 december 2024
Allison Moon, Ling Tsiang, Alyssa Tou, Phil Rund, ...
Atmospheric iodine impacts the oxidizing capacity of the atmosphere and can be a significant source of ultra-fine particles for cloud condensation nuc...
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Understanding Gas-Aerosol Phase Partitioning of Chlorine in the Remote Marine Boundary Layer
AGU 2024
atmospheric sciences | 12 december 2024
Amy Lees, John Halfacre, Hansen Cao, Allison Moon,...
Chlorine is a powerful tropospheric oxidant. Its rate constant with methane and other hydrocarbons is higher than that of the hydroxyl radical, and it...
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Dimethyl sulfide oxidation over the industrial era: comparison of long-term observations and several chemical mechanisms
AGU 2024
atmospheric sciences | 12 december 2024
Ursula A. Jongebloed, Jacob Chalif, Linia Tashmim,...
Dimethyl sulfide (DMS) is emitted from marine phytoplankton and oxidized in the atmosphere to form sulfur-containing aerosol methanesulfonic acid (MSA...
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Quantifying Antarctic sulfur sources using the spatial pattern of sulfur isotopes
AGU 2024
atmospheric sciences | 11 december 2024
Ursula A. Jongebloed, Tobias P. Fischer, Philip R....
Understanding aerosol-cloud interactions in the pristine Southern Ocean region has become an important aspect of quantifying global anthropogenic aero...
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