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:

Wargan, et al.
Factors Contributing to the Unusually Low Antarctic Springtime Ozone in 2020-2023
Journal of Geophysical Research: Atmospheres, 130(), e2025JD043621, ; doi: 10.1029/2025JD043621

Zhang, et al.
Correction of Simulation Biases in Stratospheric Methane Concentrations for the Inverse Analysis of Satellite Column Observations
Journal of Geophysical Research: Atmospheres, 130(), e2024JD042596, ; doi: 10.1029/2024JD042596

Raymond, et al.
Twenty Years of Global Stratospheric Fluorine Inventories From Atmospheric Chemistry Experiment Fourier Transform Spectrometer (ACE-FTS) Measurements
Journal of Geophysical Research: Atmospheres, 130(), e2024JD042298, ; doi: 10.1029/2024JD042298