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Habitats - Environment - Saguenay : An exceptional fjord!

The Virtual Museum of Canada
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Musée du Fjord

Climate | Ice | Water circulation

The thickness of the ice

The thickness of the ice varies from one area to another along the river Saguenay. According to measurements taken over a twenty seven year period by the Canadian Ice Service in La Baie des Ha!Ha!, the ice in this sector is, in average, 75 cm thick near the end of the winter, so between 60 and 102 cm in the cold season. Ice forms on the river Saguenay more quickly than the Saint Lawrence because it is narrower and located in a more northerly position . Therefore, the ice is also a bit thicker.

Walls of ice

The ice flow : Ice forms on the northernmost parts of the river Saguenay at the end of November or the beginning of December and then spreads to the Saint Lawrence during the third week of December. This ice is usually consolidated along the upriver area two or three weeks later and lasts all winter. However, an icebreaker maintains a waterway up to the port of Bagotville. The ice concentration is lower down the river and fjord Saguenay because of the mecanical actions of currents and tides.

Source : Canadian service of the ices.

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