Monthly Archives: March 2013

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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Temperature inversion in the Arctic

Under normal conditions, the temperature in the lowest layer of the atmosphere (the troposphere) decreases with height. The higher you go, the colder the temperature becomes. This is why there can be snow-capped mountains in warm climates. However, something quite … Continue reading

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The start of the 2013 ACE Validation Campaign

Every year, a team of scientists travels up to Eureka, Nunavut for a few weeks of intensive atmospheric measurements at the Polar Environment Atmospheric Research Lab (PEARL). This campaign started a few days ago (on February 25th), and runs until … Continue reading

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