Tag Archives: ozone

Is there an Arctic ozone hole?

By Kristof Bognar PhD Candidate, U. of Toronto When scientists speak of the ‘ozone hole’, they usually mean the large region of low stratospheric ozone concentration that develops above Antarctica each Southern Hemisphere spring (August–October). These occur because conditions over … Continue reading

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Watching for Arctic ozone holes

This year’s ACE Arctic Validation Campaign is moving smoothly towards its end. I’ve started to compare measurements taken from this year to 2012. We have all taken more spectra this year due to the great weather. We’ve enjoyed clear skies and sun for almost … Continue reading

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