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The Mackenzie, including its tributaries is over 4,200 kilometres (2,600 mi) in length and lies within the second largest drainage basin of North America, while the St. Lawrence 3,058 kilometres (1,900 mi) in length, drains the world's largest system of freshwater lakes.
A hydrological apex of North America ... and of Atlantic Canada; Peak 3400 Map 14E2; Northwest Territories ... Twin peaks of Mount Asgard Mount Odin snow and ice.
In geographic terms, the boundary is at the Canada–United States border on 49th parallel north, but in geological terms it might be considered to be at Marias Pass in northern Montana. The Canadian Rockies have numerous high peaks and ranges, such as Mount Robson (3,954 metres; 12,972 feet) and Mount Columbia (3,747 m; 12,293 ft).
An enlargeable topographic map of Canada The northernmost point of land within the boundaries of Canada is Cape Columbia , Ellesmere Island , Nunavut 83°06′40″N 69°58′19″W / 83.111°N 69.972°W / 83.111; -69.972 ( Cape Columbia,
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.
In many regions the changing snow line reflect seasonal dynamics. The final height of the snow line in a mountain environment at the end of the melting season is subject to climatic variability, and therefore may be different from year to year. The snow line is measured using automatic cameras, aerial photographs, or satellite images. Because ...
Snow and rainfall began at 9 a.m. on February 8 across New England; by late that day, totals reached 8 in (20 cm) near Milton, Vermont. [75] Later that evening, snow was falling at 2 to 3 inches (5 to 8 cm) per hour in coastal Massachusetts, and at a significant rate of over 6 inches per hour (15 cm/h) in parts of Connecticut. [76]
Coastal fog develops on many days, especially in winter, with sunshine around 1400 hours a year. The exception to British Columbia's wet and cloudy winters is during the El Niño phase. During El Niño events, the jet stream is much farther south across North America, making the province's winters milder and drier than normal.