Welcome to the homepage for the Atmospheric Chemistry Experiment
The Atmospheric Chemistry Experiment (ACE) is a satellite mission on-board the Canadian satellite SCISAT that takes measurements of the Earth's atmosphere.
The measurements consist of spectra and images that are used to investigate chemical and dynamical processes in our atmosphere, with a particular emphasis on ozone depletion in the Arctic stratosphere.
Dr. Peter Bernath from the Department of Chemistry at the University of Waterloo is the Mission Scientist.
Recent Publications using ACE data:
Jeffery, et al.
Validation of the version 4.5 MAESTRO ozone and NO2 measurements
Atmospheric Measurement Techniques, 18(), 569, ; doi: 10.5194/amt-18-569-2025
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Salawitch, et al.
The Imminent Data Desert: The Future of Stratospheric Monitoring in a Rapidly Changing World
Bulletin of the American Meteorological Society, 106(), E540, ; doi: 10.1175/BAMS-D-23-0281.1
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Chrysanthou, et al.
Hemispheric Asymmetry in Stratospheric Trends of HCl and Ozone: Impact of Chemical Feedback on Ozone Recovery
Journal of Geophysical Research: Atmospheres, 130(), e2024JD042161, ; doi: 10.1029/2024JD042161
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Yan, et al.
Transport into the polar stratosphere from the Asian monsoon region
Atmospheric Chemistry and Physics, 25(), 1289, ; doi: 10.5194/acp-25-1289-2025
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Dubé, et al.
Hemispheric asymmetry in recent stratospheric age of air changes
Atmospheric Chemistry and Physics, 25(), 1433, ; doi: 10.5194/acp-25-1433-2025
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Bernath, et al.
Spectra of Atoms and Molecules: Fifth Edition
Oxford University Press, None(), None, ; doi: 9780197754498
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Pastorek, et al.
Comparison of atmospheric river-related phenomena with ACE satellite data
Journal of Quantitative Spectroscopy and Radiative Transfer, 333(), 109321, ; doi: 10.1016/j.jqsrt.2024.109321
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Dodangodage, et al.
Atmospheric Chemistry Experiment (ACE) satellite observations of aerosols and SO2 emissions from the 2024 Ruang volcanic eruption
Journal of Quantitative Spectroscopy and Radiative Transfer, 333(), 109333, ; doi: 10.1016/j.jqsrt.2024.109333
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Bernath, et al.
Sulfur dioxide sources in the stratosphere
Journal of Quantitative Spectroscopy and Radiative Transfer, 330(), 109217, ; doi: 10.1016/j.jqsrt.2024.109217
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Dodangodage, et al.
The first satellite measurements of HFC-125 by the ACE-FTS: Long-term trends and distribution in the Earth’s upper troposphere and lower stratosphere
Journal of Quantitative Spectroscopy and Radiative Transfer, 330(), 109218, ; doi: 10.1016/j.jqsrt.2024.109218
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