Tag Archives: PEARL

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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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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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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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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Getting ready for Polar Night in Eureka

With the sun already set for the year and polar night just beginning, a few CREATE students are in Eureka working on instruments which thrive on darkness! I work in the CRL lidar lab, using lasers and telescopes to understand … Continue reading

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Hitting the tundra running: an exciting first trip to PEARL

After a great trip to Igloolik, Nunavut, from May 23rd to June 1st, I was really looking forward to returning to Toronto and getting back to the heat. I had been on a CANDAC Outreach trip with three other CANDAC … Continue reading

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March 2013 Igloolik outreach trip

In mid March, I had the amazing opportunity to travel north to Igloolik, Nunavut with two other members of CANDAC — Ashley and Niall.  We went there to launch the student-researchers collaborative research project with students in grades 1-7 at … 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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