Atmospheric Chemistry Carbon Cycle and Climate

AC4 News

New research provides unprecedented synthesis of how ozone is removed at Earth’s surface 25 February 2020

New research provides unprecedented synthesis of how ozone is removed at Earth’s surface

Better understanding of how ozone, an air pollutant and greenhouse gas, is removed is essential for improved modeling and prediction of air pollution, ecosystem health, and climate.

Just published: Methane emissions from regional oil and gas production can be observed from space 4 February 2020

Just published: Methane emissions from regional oil and gas production can be observed from space

Methane is the second most important anthropogenic greenhouse gas in the atmosphere after carbon dioxide, with U.S. oil and natural gas supply chain methane emissions, in particular, making up about 41% of anthropogenic emissions in the United States.

Stratospheric variability influences emissions levels at Earth’s surface, study says 7 January 2020

Stratospheric variability influences emissions levels at Earth’s surface, study says

The new research in Nature Geoscience suggests that global budget estimates of ozone-depleting substances as well as other trace gases like methane could be improved by accounting for the Quasi-Biennial Oscillation’s influence.

New CPO-funded national database of CO₂ transportation emissions now available for download 20 December 2019

New CPO-funded national database of CO₂ transportation emissions now available for download

Accessible via the Oak Ridge National Laboratory Distributed Active Archive Center, the database provides the most detailed estimates available of where CO₂ is emitted from within the transportation sector and will help scientists and decision makers track how CO₂ emissions are changing over time and across U.S. cities.

New model for predicting nitrous oxide emissions from agricultural soils 9 December 2019

New model for predicting nitrous oxide emissions from agricultural soils

Agricultural activities are the main source of nitrous oxide emissions from human activities, but there is limited attention to agriculture as a major contributor to increasing emissions likely from a lack of understanding of mechanisms controlling nitrous oxide emissions.

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Contact

Dr. Ken Mooney
Program Manager, Atmospheric Chemistry, Carbon Cycle, & Climate (AC4)
P: (301) 734-1242
F: (301) 713-0517
E: kenneth.mooney@noaa.gov

Dr. Monika Kopacz (UCAR)
Program manager, Atmospheric Chemistry, Carbon Cycle and Climate (AC4)
P: (301) 734-1208
E: monika.kopacz@noaa.gov

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