Monthly Archives: March 2012

Athabasca River Aufeis

Aufeis on the Athabasca River, AB (Canada), April 1, 2003 Aufeis (ice on top of ice) forms when trickles of water freeze; each new trickle freezes on top of the previous ice and, over the winter, massive ice accumulations can form.  Aufeis normally builds in horizontal layers but in … Continue reading

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Zoo Ice Jam

Freeze-up ice jam on the Bow River at Calgary, AB (Canada), Jan. 9, 2005 Julia Blackburn (an alumni of the UofA River Ice Group) took this beautiful photo of a freeze-up ice jam that formed on the Bow River in Calgary, … Continue reading

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Freeze-up on the Racing River

Anchor ice and inundated border ice on the  Racing River, BC (Canada), December 2003 Claudine Girouard (an alumni of the UofA River Ice Group) took this beautiful photo of freeze-up on the Racing River, BC at km 641.1 along the Alaska Highway in mid-December … Continue reading

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