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El Niño

El Niño is a pronounced warming of the Pacific Ocean current off the coast of South America.

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Mica

Phlogopite can be found in metamorphosed LIMESTONES, dolomites, serpentines and IGNEOUS ROCKS. It is light to dark brown and has properties and uses similar to muscovite.

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Arctic Haze

Once one of the purest and cleanest places on Earth, the Arctic has been tarnished, dimmed by a dirty blanket of reddish-brown smog. Coined in the 1950s, the arctic haze which arrives each fall and winter is a totally unexpected phenomenon recorded nowhere else on Earth.

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Sweet Corn

Sweet corn (Zea mays var. saccharata or rugosa) is an annual vegetable of the grass family.

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Ozone Depletion

Ozone depletion is a chemical thinning of the OZONE LAYER in the stratosphere or upper atmosphere. Scientists determined in the 1970s that it is caused by ozone depleting substances (ODSs), particularly by the use of chlorofluorocarbons (CFCs).

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Geomorphology

Geomorphology is related to GEOLOGY because of the importance of long timescales, tectonic deformation of Earth's crust (seePLATE TECTONICS), and rock and sediment properties; and to physical geography through its association with CLIMATE, BIOGEOGRAPHY, SOIL SCIENCE, and HYDROLOGY.

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Lacewing

Lacewing is the common name for small, fragile insects of the 2 most common families (Chrysopidae, green lacewings; Hemerobiidae, brown lacewings) of order Neuroptera.

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Hurricane

Many factors are involved in their creation. With most, intense sunlight heats the ocean, which in turn warms the overriding air by convection. The heated air rises, carrying away evaporated water charged with energy and producing an area of low pressure.

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Barite

Barite (BaSO4) is a white, colourless, gray, brown, yellow, blue or red mineral found in sedimentary, igneous and metamorphic rocks. It is composed of 65.7% barium oxide (BaO) and 34.3% sulphur trioxide (SO3).

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La Niña

La Niña describes an extensive cooling of the waters in the tropical eastern Pacific Ocean. To qualify as a full-fledged La Niña, the cooling must persist for at least 3 seasons. La Niña events are cyclical, recurring every 3 to 5 years, but the interval can vary from 2 to 10 years.

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Sky

The sky appears its deepest blue when the air is dry and clean. Water vapour and dust scatter all colours of light, causing the blue to appear washed-out and pale.

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Cranberry

​Cranberries are tart, red berries. In Canada, most commercial production is in British Columbia and Québec.

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Caslake Case

In the Caslake case (1998), a majority of the Supreme Court of Canada held that a search made for purposes of an inventory, conforming to police policy (RCMP) but without a search warrant or permission, constituted an abusive search.

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Abalone

Abalone (Haliotis), genus of primitive marine gastropod molluscs with over 70 species worldwide. There are 2 species in Canada. The pinto abalone (Haliotis kamtschatkana) also known as the Japanese or northern ear shell, is found along the entire BC coast.

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Fiddleheads

The term fiddlehead is used to refer to plants in 3 ways: (1) the young curled leaf of any fern; (2) the ostrich fern (Matteuccia struthiopteris of the Aspidaceae family); and (3) the young curled leaf of the ostrich fern used as a vegetable (often called fiddlehead greens).