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The Laurentide ice sheet (LIS) was a massive sheet of ice that covered millions of square miles, including most of Canada and a large portion of the Northern United States, multiple times during the Quaternary glaciation epochs, from 2.58 million years ago to the present.
The mission of the CIS is to provide the most timely and accurate information possible about ice in Canada's navigable waters. In support of this, its two main objectives are to ensure the safety of Canadians, their property and their environment by warning them of hazardous ice conditions in navigable Canadian waters, and to provide present and future generations of Canadians with sufficient ...
The formation of 3 to 4 km (1.9 to 2.5 mi) thick ice sheets equate to a global sea level drop of about 120 m (390 ft) The Quaternary glaciation , also known as the Pleistocene glaciation , is an alternating series of glacial and interglacial periods during the Quaternary period that began 2.58 Ma (million years ago) and is ongoing.
The Columbia Icefield is the largest ice field in North America's Rocky Mountains. [1] Located within the Canadian Rocky Mountains astride the Continental Divide along the border of British Columbia and Alberta, Canada, the ice field lies partly in the northwestern tip of Banff National Park and partly in the southern end of Jasper National Park.
Between 2004 and 2006, the ice cap was thinning at a rate of 1 m (3 ft 3 in) per year. The ice cap contains Canada's oldest ice, some of it being over 20,000 years old. [ 2 ] It is a remnant of the Laurentide Ice Sheet , which covered much of Canada during the last glacial period of the Earth's current ice age . [ 3 ]
Standard buses transport tourists from the centre to the glacier edge, where they board specially designed snow coaches for transport over the steep grades, snow and ice part way up the glacier. The glacier is approximately 6 km (3.7 mi) long, covers an area of 6 km 2 (2.3 sq mi), and is measured to be between 90–300 metres (300–980 ft) thick.
An unusually warm winter in Canada this year has delayed the opening of a 400-kilometer (250-mile) ice road that is rebuilt every year as the main conduit for Rio Tinto, Burgundy Mines , and De ...
The Devon Ice Cap is an ice cap on eastern Devon Island, Nunavut, Canada, covering an area of over 12,000 km 2 (4,600 sq mi). The highest point on Devon Island is found at the summit of the ice cap, with an elevation of 1,921 m (6,302 ft). The ice cap has a maximum thickness of 880 m (2,887 ft), [2] and has been steadily shrinking since 1985. [3]