Category Archives: Eureka field research

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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Eureka’s dramatically changing sunlight

By Dan Weaver Ph.D. Candidate, University of Toronto You have likely noticed the days are getting longer.­1 It’s a welcome relief from the short dark days of winter. Toronto, for example, will enjoy over 12 hours of sunlight on April … Continue reading

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Why do scientists travel to Eureka during polar sunrise?

By Debora Griffin PhD candidate, Department of Physics, University of Toronto Every year at the end of February a group of scientists travels to Eureka, Nunavut, 80°N. On February 21st, when the Canadian Arctic ACE/OSIRIS validation campaign typically starts, the … Continue reading

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Here Comes the Sun!

Mike Maurice PEARL Operator My current tour in Eureka operating the PEARL facilities started during Polar Night. Shortly after New Years Day I arrived at Eureka, excited to be back at work. I enjoy the Arctic at all times of … Continue reading

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PEARL at Polar Twilight

A full moon shines brightly at the PEARL Ridge lab while the Weather Station lights twinkle in the distance. CREATE AAS Post-doc, Sophie Tran, took this shot last November during Polar Twilight – a few weeks before full Polar Night … Continue reading

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Detection of Biomass Burning Pollution in the Arctic

Erik Lutsch PhD. Student, University of Toronto Biomass burning is the burning of vegetation and occurs in North America and Europe mostly in the form of wildfires. Every year, hundreds of forest fires burn throughout the northern hemisphere burning thousands … Continue reading

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Howling High Arctic Winds and Hard Rime

As a CANDAC CREATE intern, I’ve been lucky enough to spend part of my summer in beautiful Eureka, Nunavut working at PEARL as an Assistant Operator. Having never been north of the tree line, I was eagerly awaiting whatever uncommon … Continue reading

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Beautiful Gravity Waves

Have you ever looked at the clouds during the day and seen what appeared to be ripples or waves in the clouds? If you have, then you have seen a gravity wave. I am examining these waves for my Masters project, … Continue reading

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The 2014 North American Cold Wave and the Polar Vortex

There has been a lot of interest in the polar vortex this winter.  News agencies around the world have used the phrase to explain the extreme cold weather that has affected Canada and the United States since January 2nd, 2014.  … Continue reading

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Preparations for the 2014 ACE campaign at PEARL

By Dan Weaver Ph.D. Candidate, University of Toronto The 2014 ACE satellite validation team is nearly ready for this year’s research trip to PEARL. We will be travelling to Yellowknife on February 24, then onwards to Eureka, Nunavut on February … Continue reading

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