Browse "Climate and Climatology"

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Agroforestry

Agroforestry is an intensive land management system that integrates the benefits from biological interactions created when trees or shrubs are intentionally grown with crops or livestock.
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Biogeoclimatic Zone

For example, in British Columbia, the Coastal Western Hemlock Zone is one of 14 biogeoclimatic zones. It occupies high precipitation areas up to 1000 m elevation west of the coastal mountains from the Washington to Alaska borders and beyond.
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Biosphere Reserves in Canada

A biosphere reserve represents one of the world’s important ecosystems and is divided into three zones: a protected core zone (such as a park or wildlife area), a buffer zone around the core, and a transition zone that fosters sustainable economic and cultural activity. The World Network of Biosphere Reserves includes 686 sites around the world, 18 of which are in Canada. The network is part of the larger Man and the Biosphere Program of the United Nations Educational, Scientific and Cultural Organization (UNESCO). Biosphere reserves are designated by UNESCO to help conserve biodiversity, demonstrate sustainable development and build the local community’s capacity to deal with human and environmental issues.
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Article

Climate Change

Climate change occurs when long-term weather patterns begin to shift. These periods of change have occurred throughout the Earth’s history over extended periods of time. However, since the Industrial Revolution the world has been warming at an unprecedented rate. Because of this, the current period of climate change is often referred to as “global warming.” Human activities that release heat-trapping greenhouse gases, such as the burning of fossil fuels, are largely responsible for this increased rate of change. The implications of this global increase in temperature are potentially disastrous and include extreme weather events, rising sea levels and loss of habitat for plants, animals and humans. In Canada, efforts to mitigate climate change include phasing-out coal-fired power plants in Ontario and instituting a carbon tax in British Columbia. (This is the full-length entry about climate change. For a plain-language summary, please see Climate Change (Plain-Language Summary).)
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Macleans

Climate Clues from Vancouver Island

To the uninitiated, it looks no more exciting than a long, thin log of grey plasticene. But to scientists like Jeffrey Fox, a Texas geologist who oversaw its extraction last week from the bottom of a deep bay 16 km north of Victoria, the 9.This article was originally published in Maclean's Magazine on September 2, 1996
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Climate Information

Climate information is used by a variety of people. Building designers must be certain that their structures will withstand the strongest winds and be habitable during temperature extremes. Airlines, when possible, plan their routes to take advantage of the prevailing winds in the upper atmosphere.
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Climate Severity

Environment Canada devised the climate severity index to rate a locality's climate according to human comfort and well being. The index has a range from 1 to 100, with a score of 1 representing the least severe climate and 100 the most.
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Climate Severity Indexes for Selected Places

Climate Severity Indexes for Selected Places Climate Severity Indexes for Selected Places Station Index (100*) Station Index (100*) British Columbia Saskatchewan Kamloops 20 Regina 49 Penticton 16 Saskatoon 42 Prince George 38 Manitoba Vancouver 19 Churchill 82 Victoria 15 Flin Flon 49 Yukon Territories Winnipeg 51 Dawson City 54 Ontario Whitehorse 46 London 41 Northwest Territories Moosonee 56 Alert 84 Ottawa 44 Inuvik 53 Sudbury 54 Isachsen 99 Toronto 36 Yellowknife 57 Windsor 37 Alberta...
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Climatology

The study of modern climatology is primarily global in perspective. The main tools used by climatologists are computer models of the atmosphere, ocean and land surface, and data inferred from SATELLITE observations.
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Macleans

Global Warming Crisis

This article was originally published in Maclean’s magazine on February 21, 2000. Partner content is not updated. Across the Arctic, the ominous signs are everywhere. With average temperatures in some parts of the Canadian North rising at the rate of about 1° C each decade, glaciers are in retreat. Scientists report a dramatic thinning of the Polar ice cap.
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Macleans

Green Driving Machines

From the outside there was little to distinguish the sleek Toyota Prius from any other car on the streets of Timmins, Ont. But when the driver turned the key, it was clear this was no ordinary sedan. The only sound as the Prius pulled away was the gentle hum of an electric motor.This article was originally published in Maclean's Magazine on July 20, 1998
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Greenhouse Crops

Today's greenhouse industry uses the most modern technologies, which allow it to reduce their negative effects on the environment, to considerably improve the energetic efficiency of crops (used energy by unit production) and thus to remain competitive in national and international markets.
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Article

Hail

Hail, precipitation consisting of lumps of ICE, about 5 mm to 10 cm in diameter and about 0.1 g to 1 kg in weight. A 290 g hailstone that fell near Cedoux, Sask, is one of the largest recorded in Canada. The authenticated world record belongs to a 770 g hailstone that fell in Coffeyville, Kansas.
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Heat Wave

A heat wave is usually defined as a period of 3 or more consecutive days with temperatures of 32° C or higher. High HUMIDITY is not a requisite, yet most, but not the worst, heat waves are oppressively humid.
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Article

High Arctic Weather Stations

High Arctic Weather Stations, managed by the Monitoring and Science Division, Prairie and Northern Region of Environment Canada, began as the Joint Arctic Weather Stations. The plan for a network of Arctic weather bases was approved by the US on 12 February 1946, and on 28 January 1947 Cabinet formally agreed to participate. Between 1947 and 1950, five sites were selected and built jointly by Canada and the US (at Eureka, Isachsen, Mould Bay, Resolute and Alert) to provide the data required for the understanding and prediction of meteorological phenomena on a hemispheric scale and, more specifically, to improve weather predictions for North America. The meteorological data collected is also used by forecasting offices, airlines, northern shipping, climatology studies and research.
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