Life in the Polar Regions

Channel: dizzo95   |   2009/04/17
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Life in the Polar Regions
Life in the Polar Regions
::2009/04/17::
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Polar Regions Are Important: Tundra Connections Webcast with DEN
Polar Regions Are Important: Tundra Connections Webcast with DEN
::2012/11/15::
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Arctic/Antarctic
Arctic/Antarctic
::2007/11/11::
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4
Polar bears search for food - David Attenborough  - BBC wildlife
Polar bears search for food - David Attenborough - BBC wildlife
::2008/04/05::
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REGIONES NATURALES - ALTA MONTAÑA, POLAR  Y TUNDRA
REGIONES NATURALES - ALTA MONTAÑA, POLAR Y TUNDRA
::2011/10/26::
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What is it like in the polar regions.mov
What is it like in the polar regions.mov
::2011/12/07::
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Polar Regions: Hunters and Herders (clip)
Polar Regions: Hunters and Herders (clip)
::2011/07/28::
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Animals of the Polar Regions
Animals of the Polar Regions
::2012/12/22::
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Area of a Polar Region 1
Area of a Polar Region 1
::2014/01/16::
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Finding Areas in Polar Coordinates
Finding Areas in Polar Coordinates
::2009/03/29::
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Diorama Up-Date Killer Croc. Batman Bat Bunker, Mars Polar Region
Diorama Up-Date Killer Croc. Batman Bat Bunker, Mars Polar Region
::2013/01/22::
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12
Animals of the Polar Region
Animals of the Polar Region
::2013/06/20::
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13
Area of a Polar Region
Area of a Polar Region
::2013/04/28::
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MESSENGER: Mercury
MESSENGER: Mercury's North Polar Region [720p]
::2012/03/22::
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Calculus: Finding the Area of a Polar Region: Pt 1
Calculus: Finding the Area of a Polar Region: Pt 1
::2011/01/14::
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MESSENGER: Mercury
MESSENGER: Mercury's South Polar Region [720p]
::2012/03/22::
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Weather Movie, Mars South Polar Region, March-April 2009 (Close) [HD]
Weather Movie, Mars South Polar Region, March-April 2009 (Close) [HD]
::2013/09/12::
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18
Fire Emblem 6: Fūin no Tsurugi Music: Polar Region
Fire Emblem 6: Fūin no Tsurugi Music: Polar Region
::2009/05/03::
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Invitacion Fiesta Fin de Año POLAR   Region Bolivar 2013
Invitacion Fiesta Fin de Año POLAR Region Bolivar 2013
::2013/11/28::
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Mercenary Online 2 - Polar Region Situation
Mercenary Online 2 - Polar Region Situation
::2013/07/05::
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Edexcel GCSE Geography - Features of Polar Regions
Edexcel GCSE Geography - Features of Polar Regions
::2013/09/05::
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Titan
Titan's North Polar Region
::2007/10/12::
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Dr. Incognito teaches math- area of a polar region
Dr. Incognito teaches math- area of a polar region
::2011/04/16::
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Invitacion Fiesta Fin de Año POLAR   Region Bolivar 2013
Invitacion Fiesta Fin de Año POLAR Region Bolivar 2013
::2013/11/26::
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HIPPO III Research Flight 06 :: Southern Polar Region
HIPPO III Research Flight 06 :: Southern Polar Region
::2010/04/26::
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Impacts of Climate Change Upon the Polar Regions
Impacts of Climate Change Upon the Polar Regions
::2012/03/30::
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Polar Region Animals
Polar Region Animals
::2011/11/06::
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From North to South: Exploring our Polar Regions
From North to South: Exploring our Polar Regions
::2013/11/13::
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29
Calculus: Finding the Area of a Polar Region: Pt 2
Calculus: Finding the Area of a Polar Region: Pt 2
::2011/01/14::
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30
Area of a Polar Region 2
Area of a Polar Region 2
::2014/01/16::
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HIPPO III :: Research Flight 02 :: Northern Polar Region
HIPPO III :: Research Flight 02 :: Northern Polar Region
::2010/04/26::
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32
Global Warming and the Polar Regions
Global Warming and the Polar Regions
::2012/11/13::
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Star Wars: Battlefront II Mod- Mendilos: Polar Region w/ Commander Bly | HD Mods and Maps
Star Wars: Battlefront II Mod- Mendilos: Polar Region w/ Commander Bly | HD Mods and Maps
::2013/08/14::
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Plotting a polar region between the negative y axis, and a positive angle
Plotting a polar region between the negative y axis, and a positive angle
::2013/10/24::
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Polar Region
Polar Region's Project
::2013/03/22::
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Different Environments - Part 2, Tundra, Polar Regions, Grasslands, Wetlands, Deserts
Different Environments - Part 2, Tundra, Polar Regions, Grasslands, Wetlands, Deserts
::2011/07/26::
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37
Area of a Polar Region 4
Area of a Polar Region 4
::2014/01/16::
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38
Area Of A Polar Region
Area Of A Polar Region
::2011/05/07::
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39
Fire Emblem: Fūin No Tsurugi Soundtrack: Polar Region (1080p)
Fire Emblem: Fūin No Tsurugi Soundtrack: Polar Region (1080p)
::2014/02/04::
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Area Inside Polar Regions Part 0
Area Inside Polar Regions Part 0
::2010/05/21::
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Animation of a Mercury Day, Orbit and South Polar Region
Animation of a Mercury Day, Orbit and South Polar Region
::2012/11/30::
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Graphing a ring shaped polar region
Graphing a ring shaped polar region
::2013/10/24::
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Photo
Photo's of Mars Tiny Extraterrestrial Humans, Polar Region
::2008/12/30::
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SIBERIA - Yamal Peninsula (Polar region)
SIBERIA - Yamal Peninsula (Polar region)
::2014/03/13::
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Active Sand Abrasion in the Northern Polar Region of Mars
Active Sand Abrasion in the Northern Polar Region of Mars
::2012/06/06::
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Graphing a polar region betwen two angles. These regions are definfed by different radii.
Graphing a polar region betwen two angles. These regions are definfed by different radii.
::2013/10/24::
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Aurora Amazing event seen at Polar Regions  How the Aurora can be formed
Aurora Amazing event seen at Polar Regions How the Aurora can be formed
::2013/06/06::
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Polar Region Satelite - SQUARE - 03.25.14
Polar Region Satelite - SQUARE - 03.25.14
::2014/03/25::
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Mercenary Online GangnamStyl3 [Final Defense Flawless Solo Gameplay Polar Region Situation] (HARD)
Mercenary Online GangnamStyl3 [Final Defense Flawless Solo Gameplay Polar Region Situation] (HARD)
::2013/10/03::
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Area of a Polar Region 3
Area of a Polar Region 3
::2014/01/16::
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From Wikipedia, the free encyclopedia
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North and South Pole snow cover and sea ice visualization

Earth's polar regions are the areas of the globe surrounding the poles also known as frigid zones. The North Pole and South Pole being the centres, these regions are dominated by the polar ice caps, resting respectively on the Arctic Ocean and the continent of Antarctica.

Definitions[edit]

The Arctic has numerous definitions, including the region north of the Arctic Circle currently (Epoch 2010 at 66°33'44" N), or the region north of 60° north latitude, or the region from the North Pole south to the timberline.

The Antarctic is usually defined as south of 60° south latitude, or the continent of Antarctica. The 1959 Antarctic Treaty uses the former definition.

The two polar regions are distinguished from the other two climatic and biomatic belts of Earth, a tropics belt near the equator, and two middle latitude regions located between the tropics and polar regions.

Climate[edit]

Polar regions receive less intensive solar radiation because the sun's energy arrives at an oblique angle, spreading over a larger area, and also travels a longer distance through the Earth's atmosphere in which it may be absorbed, scattered or reflected, which is the same thing that causes winters to be colder than the rest of the year in temperate areas.

The axial tilt of the Earth has a major effect on climate of the polar regions. Since the polar regions are the farthest from the equator, they receive the least amount of sunlight and are therefore frigid. The large amount of ice and snow also reflects a large part of what little sunlight the Polar regions receive, contributing to the cold. Polar regions are characterized by the polar climate, extremely cold temperatures, heavy glaciation wherever there is sufficient precipitation to form permanent ice, and extreme variations in daylight hours, with twenty-four hours of daylight in summer, and complete darkness at mid-winter.

Circumpolar Arctic Region[edit]

There are many settlements in Earth's north polar region. Countries with claims to Arctic regions are: the United States (Alaska), Canada, Denmark (Greenland), Norway, Finland, Sweden and Russia. Arctic circumpolar populations often share more in common with each other than with other populations within their national boundaries. As such, the northern polar region is diverse in human settlements and cultures.

Antarctica and the Southern Ocean[edit]

The southern polar region has no permanent human habitation. McMurdo Station is the largest research station in Antarctica, run by the United States. Other notable stations include Palmer Station and Amundsen-Scott South Pole Station (United States), Esperanza Base and Marambio Base (Argentina), Scott Base (New Zealand), and Vostok Station (Russia).

While there are no indigenous human cultures, there is a complex ecosystem, especially along Antarctica's coastal zones. Coastal upwelling provides abundant nutrients which feeds krill, a type of marine crustacea, which in turn feeds a complex of living creatures from penguins to blue whales.

Extraterrestrial polar regions[edit]

Other planets and natural satellites in the solar system have interesting quirks about their polar regions. Earth's Moon is thought to contain substantial deposits of ice in deep craters in its polar regions, which never see direct sunlight. Mars, like Earth, has polar ice caps. On Uranus, meanwhile, the extreme tilt of the planet's axis leads to the poles alternately pointing almost directly at the Sun.

Gallery[edit]

See also[edit]

Antarctic[edit]

Arctic[edit]

Polar[edit]

External links[edit]

References[edit]

  • Victor, Paul-Émile. Man and the Conquest of the Poles, trans. by Scott Sullivan. New York: Simon & Schuster, 1963.
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