Quote:
Originally Posted by Measuring Stick
The river doesn't freeze due to the power plant along the southwest edge of the City and the sewage treatment plant in the north of the city both expelling warm water into the river year round.
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I thought it was more about the current, but you may be right, at least about the power plant. The treated sewage discharge though would be downstream of the City.
Interesting entry in Wikipedia:
For the first half of the 20th century, the South Saskatchewan would completely freeze over during winter, creating spectacular ice breaks and dangerous conditions in
Saskatoon,
Medicine Hat and elsewhere. At least one bridge in Saskatoon was destroyed by ice carried by the river. The construction of the
Gardiner Dam in the 1960s, however, lessened the power of the river and by the 1980s many permanent
sandbars had formed due to the lowering of the level of the river.