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Pingo
A pingo is an ice-cored hill typically conical in shape, growing and persisting only in PERMAFROST. The word "pingo" is of Inuit origin and was first used in the English-language literature by the botanist Alf E.
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A pingo is an ice-cored hill typically conical in shape, growing and persisting only in PERMAFROST. The word "pingo" is of Inuit origin and was first used in the English-language literature by the botanist Alf E.
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Between about 100 000 and 12 000 years ago, the whole area of Québec as well as a major part of the northern hemisphere was covered with a thick layer of ice. In the late PLEISTOCENE era, just over 12 000 years ago, Québec underwent a gradual warming of the atmosphere.
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Central US lows, entering Canada somewhere between Manitoba and Québec, are of major environmental significance because they pass through the industrial heartland of the US and frequently bring ACID RAIN.
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The amount of rain or snow that reaches the ground can vary dramatically on any particular given day, even over short distances. Many people have experienced a near-deluge of rain in their backyard, while at the same time their front yard or their neighbour's home remains quite dry.
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Reservoirs, as discussed here, do not include any type of subsurface reservoir structure that stores water, natural gas or oil.
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Réservoir Gouin, 1570 km2, elev 404 m, max length 102 km, average depth 5 m, is a collection of hundreds of small lakes containing innumerable islands in south-central Québec, equidistant from Ottawa, Montréal and Québec City.
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The Manicouagan Reservoir, 1,942 km2, elevation 360 m, is located in southeastern Quebec, about 140 km from the Labrador border. The second-largest natural lake in Quebec, it was created by a meteorite millions of years ago. The name “Manicouagan” is possibly of Innu origin and might mean “where there is bark” (for canoe making). The lake appears on Jonathan Carver’s map of Quebec (1776) as Lake Asturagamicook, and is shown to be drained by the Manicouagan or Black River.
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A river is a course of water, usually growing in volume between its source and its terminus in an ocean, a lake or another river.
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Sea ice formed by the freezing of seawater and floats on the surface of the polar oceans. Its coverage varies with the seasons; in the Northern Hemisphere sea ice ranges from a minimum of about 9 million km2 in September to a maximum of about 16 million km2 in March. In the Southern Hemisphere the range is from 3 million to 19 million km2, with the minimum and maximum coverage occurring in February and September respectively. The thickness of sea ice can vary from a few centimetres for newly formed ice in protected locations to 20 m or more in ridges; however, typical thicknesses are about 3 m in the Arctic and about 1 m in the Antarctic.
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A spring is a point of natural, concentrated groundwater discharge from soil or rock.
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Streamflow Streamflow Streamflow Originating Within and Passing Through Canada Province/ Territory Originating (cubic km) % Passing Through (cubic km) Yukon 140 4.2 165 NWT/Nunavut 700 20.8 890 British Columbia 800 23.7 870 Alberta 69 2.0 137 Saskatchewan 56 1.7 73 Manitoba 94 2.8 172 Ontario 325 9.6 500 Québec 780 23.2 1 060 New Brunswick 46 1.4 67 Nova Scotia 45 1.3 45 PEI 3.5 0.1 3.5 Newfoundland 310 9.2 310 Canada 3368 100 4292.5...
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Tidal energy is a largely untapped, renewable energy source based largely on lunar gravitation. While the potential of tidal hydroelectricity has long been recognized, compared to river dams, tidal power projects are expensive because massive structures must be built in difficult saltwater environments.
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The Earth is actually not in orbit around the sun but around the centre of mass of the Earth-sun system. Since all parts of the Earth move in the same orbit, they experience the same acceleration, but only at the Earth's centre is this acceleration exactly balanced by the sun's gravitation.
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Worldwide, over two-thirds of precipitation falling on land surfaces is evaporated and transpired back into the atmosphere. In Canada less than 40% is evaporated and transpired; the remainder, called the water yield, enters into streamflow.
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A waterfall is a phenomenon which occurs when water flowing in a river channel encounters a vertical or near-vertical drop in the channel bed.
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