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Coastline of the town of Tasiilaq in southeastern Greenland.

Coastline of the town of Tasiilaq in southeastern Greenland.
Coastline of the town of Tasiilaq in southeastern Greenland.
Coastline of the town of Tasiilaq in southeastern Greenland.
Coastline of the town of Tasiilaq in southeastern Greenland.
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Straneo, Fiamma
Coastline of the town of Tasiilaq in southeastern Greenland.
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08/22/2010
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Caption from Oceanus magazine, Vol. 51, No. 2, pg. 24:
Piteraqs are well-known hazards to the inhabitants of Tasiilaq, a town in southeastern Greenland. During piteraqs, freezing winds sweep down off the Greenland ice cap and can reach hurricane intensity.
Caption from Oceanus online:
Piteraqs pose hazards to the inhabitants of Tasiilaq, a town in southeastern Greenland. During piteraqs, freezing winds sweep down off the Greenland ice cap and can reach hurricane intensity.
Image Of the Day caption:
The residents of Tasiilaq, the most populous community on Greenlands eastern coast, are often exposed to the hazards of strong winds known as piteraqs. These torrents of cold air suddenly sweep down from the Greenland Ice Cap and thunder down the steep slopes of ice-covered mountains, creating an avalanche of cold air that can reach hurricane strength. Marilena Oltmanns, a graduate student in the MIT-WHOI Joint Program, investigated the factors that combine to create piteraqs and found that they may have even more farflung impacts on sea ice, ocean circulation, and climate.
Photo by Fiamma Straneo
© Woods Hole Oceanographic Institution
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