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The term "Arctic" varies in its usage. It can be defined as north of the Arctic Circle (66° 33'N). Alternatively, it can be defined as the region where the average temperature for the warmest month (July) is below 10 °C (50 °F); the northernmost tree line roughly follows the isotherm at the boundary of this region.
The Arctic Archipelago, also known as the Canadian Arctic Archipelago, is an archipelago lying to the north of the Canadian continental mainland, excluding Greenland (an autonomous territory of Denmark, by itself, much larger than the combined area of the archipelago) and Iceland (an independent country)
The Canadian monarch, Queen Elizabeth II, accompanied by the Duke of Edinburgh, Prince Charles, and Princess Anne, undertook in 1970 a tour of Northern Canada, in part to demonstrate to an unconvinced American government and the Soviet Union that Canada had certain claim to its Arctic territories, which were strategic during the Cold War. [14]
The Canadian Arctic tundra was first colonized by indigenous peoples, of which the Inuit today are descendants. In the late 17th century European colonization of the region began. French and British merchants arrived and subsequently settled in the Canadian Arctic and dominated the fur trade. In doing this, the merchants established trade ...
The Arctic Lands is a physiographic region located in northern Canada. It is one of Canada's seven physiographic regions, which is divided into three divisions—the Innuitian Region , Arctic Coastal Plain, and Arctic Lowlands.
The Canadian government classifies the waters of the Northwest Passage in the Canadian Arctic Archipelago, as internal waters of Canada as per the United Nations Convention on the Law of the Sea and by the precedent in the drawing of baselines for other archipelagos, giving Canada the right to bar transit through these waters. [12]
While the largest part of the Arctic is composed of permanent ice and the Canadian Arctic tundra north of the tree line, it encompasses geological regions of varying types: The Innuitian Mountains, associated with the Arctic Cordillera mountain system, are geologically distinct from the Arctic Region (which consists largely of lowlands).
The Arctic Lowlands and Hudson Bay lowlands comprise a substantial part of the geographic region often designated as the Canadian Shield (in contrast to the sole geologic area). The ground in the Arctic is mostly composed of permafrost, making construction difficult and often hazardous, and agriculture virtually impossible. [36]