Since the mid-1970s, Sable Island has been used as a platform, one of 3 in Canada, for background measurements of carbon dioxide (CO2). This research project involves the collection of air samples and measurement of isotopes of carbon and oxygen in atmospheric CO2. Results from this long-term atmospheric program can help in furthering our understanding of the role of greenhouse gases in climate change and the movement of carbon between the atmosphere and the Earth’s surface.

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