SciSat 1 (Science Satellite 1) is an atmospheric research satellite to improve the
understanding of the depletion of the ozone layer, with a special emphasis on the changes
occurring over Canada and in the Arctic.
It will carry two primary instruments:
- Atmospheric Chemistry Experiment Fourier Transform Spectrometer (ACE-FTS) and
- Measurements of Aerosol Extinction in the Stratosphere and Troposphere Retrieved by
Occultation (MAESTRO).
The scientific goal of the ACE (Atmospheric Chemistry Experiment) experiment is to
measure and understand the chemical processes that control the distribution of ozone in
the Earth's atmosphere, particularly at high latitudes. The measurements obtained will be
combined with data gathered by ground-based, balloon-based and other space-based projects
in order to obtain the best possible information to predict future trends relating to the
ozone layer and its depletion. The data, recorded as SCISAT-1 orbits the Earth, will
provide Canadian and international scientists with improved measurements relating to
global ozone processes and help policy makers assess existing environmental policy and
develop protective measures for improving the health of our atmosphere. The ACE mission is
designed to last at least two years.
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