Browse "Nature & Geography"

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  • Article

    Timber Slide

    A timber slide is a water-filled chute or runway built to carry “cribs” of timber around rapids and waterfalls. (See also Raft). Similar devices for individual pieces of wood were called “flumes.” Timber slides contributed to the growth of the timber industry in the 19th century (see Timber Trade Industry).

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    https://d2ttikhf7xbzbs.cloudfront.net/timbertrade/timberslidedukeandduchess.jpg Timber Slide

  • Article

    Titanium

    Titanium (Ti) is a metallic element estimated to form about 0.5% of the rocks of the Canadian SHIELD. Titanium minerals of commercial importance include the dioxides rutile and anatase, which are polymorphs of TiO2 and ilmenite (FeO.TiO2), a mineral that contains 52.7% TiO2.

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  • Article

    Toad Species in Canada

    Toad is a common name for frogs belonging to the family Bufonidae. The distinction is not firm, but the word toad is generally applied to frogs with relatively short legs and thick bodies, dry, often “warty” skin and reduced webbing between the toes. Five toad species are found in Canada, living in drier habitats than most other frogs. In Canada, other frogs commonly called toads are the Plains and Great Basin spadefoots (family Scaphiopodidae). For more general information about frogs (including toads) see Frog Species in Canada.

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    https://d2ttikhf7xbzbs.cloudfront.net/Toad/AmericanToad.jpg Toad Species in Canada

  • Article

    Tobacco

    Tobacco (Nicotiana tabacum) is an annual (potentially perennial) herbaceous plant of the nightshade family.

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  • Article

    Tobacco-Products Industry

    Tobacco (Nicotiana tabacum) is an annual herbaceous plant of the nightshade family. In Canada, tobacco growing expanded commercially in the late 19th century.

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    https://d2ttikhf7xbzbs.cloudfront.net/tobacco/tobacco.jpg Tobacco-Products Industry

  • Article

    Tomato

    Tomato (Lycopersicon esculentum) is a herbaceous perennial which, in Canada, is grown as an annual because of early frost.

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  • Article

    Tornado

    Tornadoes are a type of severe storm. They are typified by a funnel-shaped cloud descending toward the earth.

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  • Article

    Toronto Feature: Hurricane Hazel

    This article is from our Toronto Feature series. Features from past programs are not updated.

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  • Macleans

    Toronto's Record Snowstorm

    This article was originally published in Maclean’s magazine on January 25, 1999. Partner content is not updated. As a storm raged outside, the constantly ringing phones went unanswered at Environment Canada’s Toronto offices last Thursday. Like many other workplaces in the city, it was shut down - by the worst series of blizzards ever to strike Toronto.

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    https://development.thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9 Toronto's Record Snowstorm

  • Article

    Touch-me-not

    Touch-me-not, or Jewelweed, are common names for family of herbaceous plants (Balsaminaceae) of which Impatiens is the principal genus. The genus name derives from the fact that a ripe seed capsule, when touched, explodes violently, projecting seed some distance.

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  • Article

    Trans Mountain Pipeline Expansion Project

    The Trans Mountain Expansion is a project to build about 980 km of new pipe, most of which will run parallel to the existing Trans Mountain oil pipeline. The new line will carry diluted bitumen, or “dilbit,” from Edmonton, Alberta to Burnaby, British Columbia. The expansion will increase the pipeline route’s overall capacity from 300,000 barrels per day to 890,000 barrels per day. The project’s first owner, Kinder Morgan Canada, sold it to the Government of Canada in 2018. The Trans Mountain Expansion has been a focus of environmental and economic debates, as well as political conflicts. The $12.6 billion project is now under construction.

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  • Article

    Transportation in the North

    Inuit and subarctic Indigenous peoples have traversed the North since time immemorial. Indigenous knowledge and modes of transportation helped early European explorers and traders travel and survive on these expanses. Later settlement depended to an extraordinary degree on the development of transportation systems. Today, the transportation connections of northern communities vary from place to place. While the most remote settlements are often only accessible by air, some have road, rail and marine connections. These are often tied to industrial projects such as mines.

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  • Article

    Treeline

    The treeline is controlled by CLIMATE in interaction with SOIL. In the North, it is correlated generally with the modal (most common) position of the southern edge of the arctic front in summer, and with such temperature indices as the July 10°C isotherm.

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    https://development.thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9 Treeline

  • Article

    Trees

    Trees are single-stemmed, perennial, woody plants taller than 3 m and exceeding 8 cm in diameter at breast height; shrubs are multistemmed and smaller. These definitions are somewhat arbitrary, since many species (eg, willow, alder, cherry, maple) can grow as trees or shrubs, depending on the environment. Counting the 30-odd shrubs that assume tree form under favourable conditions, there are about 140 native Canadian trees.

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    https://d2ttikhf7xbzbs.cloudfront.net/media/media/dd5b3a70-8e3e-4014-b0b6-254110fca4f9.jpg Trees

  • Article

    Triceratops

    Triceratops is a genus of plant-eating, horned dinosaur. There are two species of Triceratops: T. Horridus and T. Prorsus. Triceratops lived between 68 million and 66 million years ago during the Late Cretaceous period. The name Triceratops is of Greek origin and means “three-horned face.” Triceratops remains are among the most abundant dinosaur fossils found, though this is more true in the United States than in Canada. In 1921, paleontologist Charles M. Sternberg found the first Triceratops fossil from Canada, discovered in southern Saskatchewan. Paleontologists have also discovered Triceratops fossils in Alberta. (See also Dinosaurs Found in Canada.)

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    https://d2ttikhf7xbzbs.cloudfront.net/triceratops/triceratopsspecimen.jpg Triceratops