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Entrée de catalogue: Freeze-up of Sea Ice
Typical advance of sea ice over from late summer to late winter is shown on this map. Sea ice is any form of ice that is found at sea and has originated from the freezing of... -
Entrée de catalogue: Break-up of Sea Ice
The typical retreat of the sea ice cover from the late winter to late summer is shown on this map. Sea ice is any form of ice that is found at sea and has originated from the... -
Entrée de catalogue: Protected Areas through Time
A protected area is a geographically defined area that is designated, regulated and managed to achieve specific conservation objectives. Canada has a long history of... -
Entrée de catalogue: Protected Areas
Protected areas are composed of land, freshwater and marine areas set aside through legislation to protect representative examples of Canada’s ecosystems. They are created and... -
Entrée de catalogue: Major Volcanoes
There are many geologically active volcanoes along the Canadian Cordillera in British Columbia and the Yukon. Recurrent earthquakes below our feet and gigantic mountain ranges... -
Entrée de catalogue: Tsunamis
A tsunami is a sea wave or series of waves produced by large disturbances of the sea floor that are of relatively short duration. Such disturbances cause the water column to... -
Entrée de catalogue: Storm Surge
Storm surges occur in coastal areas when strong onshore winds and low atmospheric pressure during passing storms raise water levels along the shore above predicted levels. Storm... -
Entrée de catalogue: Space Weather - Telluric Activity Zones
The magnetic field of the Earth is influenced by the electromagnetic environment of the solar system. The disturbed interplanetary environment changes the conditions of the... -
Entrée de catalogue: Space Weather - Geomagnetic Activity Zones
The magnetic field of the Earth is influenced by the electromagnetic environment of the solar system. The disturbed interplanetary environment changes the conditions of the... -
Entrée de catalogue: Major Tornadoes
Tornadoes are columns of air that spin at a high rate of speed. They are small in scale but can be very violent. The area affected by a tornado's passage is between about 40 and... -
Entrée de catalogue: Major Hurricanes that Affected Canada
« Hurricane » is one of the names given to a tropical storm whose winds revolve around a center of low pressure called the eye, at a minimum speed of 120 kilometres per hour. At... -
Entrée de catalogue: Major Hailstorms
Hail is precipitation consisting of ice pellets with a diameter of 5 millimetres or more. Hailstorms can occur anywhere in Canada. The most common period when hailstorms occur... -
Entrée de catalogue: Major Avalanches
Avalanches are a mass movement of snow and ice down a hillside. They occur when unique circumstances of climate and topographic factors come together. This maps shows major... -
Entrée de catalogue: Major Landslides Causing Fatalities
Landslides are the downslope movements of sediment and rock. They can be found in any part of Canada, even in areas with very little relief. They happen in bedrock or in loose... -
Entrée de catalogue: Significant Earthquakes and Seismic Hazard
An earthquake is the rapid shaking of the Earth’s surface that follows the sudden release of energy within the Earth. They are most commonly caused by movements along the edges... -
Entrée de catalogue: Surficial Materials
Most unconsolidated materials covering the Canadian landmass have glacial origins. Some sediments were entrained by glaciers and deposited at a distance without being sorted.... -
Entrée de catalogue: Shield Physiographic Regions
This map shows the location of the Shield physiographic regions. The Shield is divided into five great regions: Kazan Region, Davis Region, Hudson Region, James Region and... -
Entrée de catalogue: Physiographic Regions
Canada’s landscape is very diversified and comprises several distinctive areas, called physiographic regions, each of which has its own topography and geology. The physical... -
Entrée de catalogue: Borderlands - Interior Plains Physiographic Region
This map shows the location of the Interior Plains physiographic region. The Interior Plains occupy the region between the Shield on the east and the mountains of the... -
Entrée de catalogue: Borderlands - Eastern Physiographic Regions
This map shows the location of the eastern physiographic regions which include the Appalachian Region and the St. Lawrence Lowlands.
Vous pouvez également accéder à ce catalogue en utilisant l'API (cf. Documentation de l'API).