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Found 10 records similar to Permafrost by Ecodistrict

Federal

The National Ecological Framework for Canada's "Permafrost by Ecoprovince” dataset contains tables that provide permafrost information within the ecoprovince framework polygon. It provides permafrost codes and their English and French language descriptions as well as information about the percentage of the polygon that the component occupies. Permafrost is defined as a state of the ground, whether soil or rock, that remains at or below a temperature of 0° C for long periods (NRC, Permafrost Subcommittee, 1988). The minimum period is from one winter, through the following summer, and into the next winter; however, most permafrost has existed for much longer.

Last Updated: Jul. 27, 2021
Date Published: May 21, 2013
Organization: Agriculture and Agri-Food Canada
Formats: WMS PDF FGDB/GDB ESRI REST GML
Keywords:  Terrestrial ecosystems, Ecology, Ecosystems
Federal

The National Ecological Framework for Canada's "Permafrost by Ecozone” dataset contains tables that provide permafrost information within the ecozone framework polygon. It provides permafrost codes and their English and French language descriptions as well as information about the percentage of the polygon that the component occupies. Permafrost is defined as a state of the ground, whether soil or rock, that remains at or below a temperature of 0° C for long periods (NRC, Permafrost Subcommittee, 1988). The minimum period is from one winter, through the following summer, and into the next winter; however, most permafrost has existed for much longer.

Last Updated: Jul. 27, 2021
Date Published: May 21, 2013
Organization: Agriculture and Agri-Food Canada
Formats: PDF FGDB/GDB ESRI REST GML
Keywords:  Terrestrial ecosystems, Ecology, Environment
Federal

The National Ecological Framework for Canada's "Permafrost by Ecoregion” dataset contains tables that provide permafrost information within the ecoregion framework polygon. It provides permafrost codes and their English and French language descriptions as well as information about the percentage of the polygon that the component occupies. Permafrost is defined as a state of the ground, whether soil or rock, that remains at or below a temperature of 0° C for long periods (NRC, Permafrost Subcommittee, 1988). The minimum period is from one winter, through the following summer, and into the next winter; however, most permafrost has existed for much longer.

Last Updated: Jul. 27, 2021
Date Published: May 21, 2013
Organization: Agriculture and Agri-Food Canada
Formats: PDF FGDB/GDB ESRI REST GML
Keywords:  Environment, Ecology, Terrestrial ecosystems
Federal

Permafrost occurs when the ground remains at or below a temperature of 0oC for a minimum period of two years. Permafrost occurs not only at high latitudes but also at high altitudes. Almost all of the soil moisture in permafrost occurs in the form of ground ice, which in turn occurs in several different forms. The quantity of ice in the ground varies widely.

Last Updated: Mar. 14, 2022
Date Published: Dec. 31, 2010
Organization: Natural Resources Canada
Formats: JP2 other ZIP
Keywords:  environment, map, permafrost
Federal

The map shows the location of the continuous permafrost zone and the discontinuous permafrost zone including areas of wide spread permafrost, areas of scattered permafrost and permafrost areas in the Cordillera. The map also indicates for six locations (Inuvik, Yellowknife, Thompson, Resolute, Rankin Inlet and Schefferville) the thickness of permafrost in metres and the ground temperature. Permafrost is a term used to describe the thermal condition of earth materials, such as soil and rock, when their temperature remains below 0 degrees Celsius continuously for more than 1 year. One-half of Canada's land surface is underlain by permafrost.

Last Updated: Feb. 22, 2022
Date Published: Jan. 1, 1978
Organization: Natural Resources Canada
Formats: PDF JPG
Keywords:  hydrogeology, hydrology, permafrost
Federal

Contained within the 5th Edition (1978 to 1995) of the National Atlas of Canada has a large that shows the extent of permafrost and abundance of ground ice; mapping units are based on physiographic regions. Point data on map give permafrost temperature and thickness for specific sites. The second, smaller, map shows the mean annual ground temperatures. Graphs show four shallow temperature profiles (to 25 metres depth), and four deep temperature profiles (to several hundred metres depth).

Last Updated: Apr. 13, 2022
Date Published: Sep. 25, 2016
Organization: Natural Resources Canada
Formats: SHP WMS FGDB/GDB JPG PDF MXD ESRI REST
Keywords:  Permafrost, Soil, Temperature
Federal

Permafrost and snow are critical to the ecology of many northern ecosystems. They influence hydrology and vegetation and can dramatically affect the quality of wildlife habitat. In recent decades permafrost temperatures in North America have increased and snowfall and spring snow cover in the Arctic have declined. These trends are predicted to continue, although with regional and seasonal variability.

Last Updated: Oct. 30, 2019
Date Published: Oct. 1, 2017
Organization: Parks Canada
Formats: CSV
Keywords:  Vuntut, Old Crow Flats, permafrost
Federal

Permafrost and snow are critical to the ecology of many northern ecosystems. They influence hydrology and vegetation and can dramatically affect the quality of wildlife habitat. In recent decades permafrost temperatures in North America have increased and snowfall and spring snow cover in the Arctic have declined. These trends are predicted to continue, although with regional and seasonal variability.

Last Updated: Oct. 29, 2019
Date Published: Oct. 28, 2019
Organization: Parks Canada
Formats: CSV
Keywords:  Vuntut, Old Crow Flats, permafrost
Federal

Permafrost and the soil layer above the permafrost that freezes and thaws annually, known as the active layer, are directly affected by climate. It is anticipated that rising temperatures in the Arctic will lead to permafrost warming/melt and thickening of the active layer. Probable impacts of permafrost degradation on the tundra ecosystem include ground instability and changes to local hydrological patterns and surface vegetation. In 1999, a Circumpolar Active Layer Monitoring (CALM) Grid was installed in Quttinirpaaq National Park near Tanquary Fiord as part of an international program to monitor the effects of climate change on the active layer and near-surface permafrost.

Last Updated: Jun. 10, 2020
Date Published: Mar. 26, 2017
Organization: Parks Canada
Formats: CSV
Keywords:  Quttinirpaaq National Park, active layer, permafrost, thaw tubes, ground temperature, climate change, Ellesmere Island, Tanquary Fiord
Federal

Permafrost and the active layer (the soil layer above the permafrost that freezes and thaws annually) are directly affected by climate. It is anticipated that rising temperatures in the Arctic will lead to permafrost warming/melt and thickening of the active layer. Probable impacts of permafrost degradation on the tundra ecosystem include ground instability and changes to local hydrological patterns and surface vegetation. In 2009, a Circumpolar Active Layer Monitoring (CALM) Grid was installed in Auyuittuq National Park near Owl River as part of an international program to monitor the effects of climate change on the active layer and near-surface permafrost.

Last Updated: May 30, 2020
Date Published: Oct. 1, 2017
Organization: Parks Canada
Formats: CSV
Keywords:  Auyuittuq National Park, active layer, permafrost, thaw tubes, ground temperature, climate change, Owl River, Akshayuk Pass
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