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1
Our Melting Polar Regions: Where Life on Earth is Changing
Our Melting Polar Regions: Where Life on Earth is Changing
::2011/10/13::
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2
FROZEN - A Science On a Sphere Movie about Earth
FROZEN - A Science On a Sphere Movie about Earth's Polar Regions
::2013/12/18::
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Professional Development for Earth Science in the Polar Regions
Professional Development for Earth Science in the Polar Regions
::2012/07/31::
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About the polar regions of the earth
::2013/12/22::
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Cool Stories of Earth
Cool Stories of Earth's Coldest Regions: Polar Researcher Interviews
::2014/04/14::
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Mechanism of The Seasons
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Global Warming and the Polar Regions: Signs of Human Impact - Perspectives on Ocean Science
Global Warming and the Polar Regions: Signs of Human Impact - Perspectives on Ocean Science
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Global Warming and the Polar Regions: Signs of Human Impact - Perspectives on Ocean Science
Global Warming and the Polar Regions: Signs of Human Impact - Perspectives on Ocean Science
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Thin Ice: Journeys in Polar Regions with Curator Courtney Gilbert
Thin Ice: Journeys in Polar Regions with Curator Courtney Gilbert
::2011/12/30::
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Science for Kids | Artic and Antartic Regions | Biome Review
Science for Kids | Artic and Antartic Regions | Biome Review
::2014/05/31::
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Fantastic Aurora: Inside the Sun to Earth
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::2011/06/24::
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Richard Alley on ice sheets in the polar regions
Richard Alley on ice sheets in the polar regions
::2012/11/13::
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14
13,000 year old Dark Knight Satellite, The 15 Ton Alien Mystery.
13,000 year old Dark Knight Satellite, The 15 Ton Alien Mystery.
::2013/08/11::
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15
National Geographic Presents: Earth Explorers
National Geographic Presents: Earth Explorers
::2013/10/17::
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16
Polar Regions under Climate Change - Peter Lemke
Polar Regions under Climate Change - Peter Lemke
::2013/11/12::
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17
FROZEN PLANET Sneak Peek | Premiering March 18, 2012 at 8PM e/p on Discovery*
FROZEN PLANET Sneak Peek | Premiering March 18, 2012 at 8PM e/p on Discovery*
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18
The Pole Shift and Earth Crust Displacement Theory
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::2014/06/03::
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19
A European Space Agency Satellite GOCE will Crash to Earth Tonight 11/10/13 -Countdown-
A European Space Agency Satellite GOCE will Crash to Earth Tonight 11/10/13 -Countdown-
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20
Life in the Polar Regions
Life in the Polar Regions
::2009/04/16::
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21
Inside the Hollow Earth Pt 1
Inside the Hollow Earth Pt 1
::2009/06/04::
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Earth
Earth's Climate Checkup: Operation IceBridge 2011
::2011/03/30::
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23
Cosmic Journeys - HyperEarth
Cosmic Journeys - HyperEarth
::2013/07/24::
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24
NASA | Spacecraft Track Solar Storms From Sun To Earth
NASA | Spacecraft Track Solar Storms From Sun To Earth
::2014/04/29::
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25
Edexcel GCSE Geography - Features of Polar Regions
Edexcel GCSE Geography - Features of Polar Regions
::2013/09/05::
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'Meteor Smoke' Clouds Linked To Weather In Opposite Hemispheres | Video
::2014/04/16::
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27
'Frozen Planet': A 'Planet Earth' Sequel
::2013/10/23::
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28
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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29
NASA Flying Laboratories Study Our World
NASA Flying Laboratories Study Our World
::2014/08/08::
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30
Polar Regions: Hunters and Herders (clip)
Polar Regions: Hunters and Herders (clip)
::2011/07/28::
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31
The Breathing Earth
The Breathing Earth
::2008/04/23::
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32
ScienceCasts: Unexpected Teleconnections in Noctilucent Clouds
ScienceCasts: Unexpected Teleconnections in Noctilucent Clouds
::2014/04/14::
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33
Packing for the Polar Regions: 30 second commercial
Packing for the Polar Regions: 30 second commercial
::2014/02/21::
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34
Partial Solar Eclipse 4 Jan 2011
Partial Solar Eclipse 4 Jan 2011
::2010/11/25::
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35
Animals of the Polar Regions
Animals of the Polar Regions
::2012/12/21::
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36
Science for Kids | Ecosystem of Artic and Antartic |  Biome Review
Science for Kids | Ecosystem of Artic and Antartic | Biome Review
::2014/05/31::
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37
Wonderful Chill Out Music - Nature of Arctic Ice HD
Wonderful Chill Out Music - Nature of Arctic Ice HD
::2014/05/08::
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38
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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10 Earth
10 Earth's Most Spectacular Places - Norway Aurora Boreale
::2010/04/06::
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40
Introduction to Polar Regions
Introduction to Polar Regions
::2013/10/22::
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41
Earth auroral kilometric radiation recorded in stereo by Cluster 3 and 4
Earth auroral kilometric radiation recorded in stereo by Cluster 3 and 4
::2013/08/14::
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42
Stanford Seminar - Douglas Stoup on Climate Change in Polar Regions
Stanford Seminar - Douglas Stoup on Climate Change in Polar Regions
::2012/11/08::
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43
Change of Seasons, Earth
Change of Seasons, Earth's Movements: Rotation and Translation [IGEO TV]
::2013/10/17::
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44
NASA | North to South
NASA | North to South
::2007/04/05::
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45
NASA Earth Observing Fleet including Landsat 8 2013 NASA Goddard Space Flight Center
NASA Earth Observing Fleet including Landsat 8 2013 NASA Goddard Space Flight Center
::2013/06/29::
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46
Melting Polar Ice Caps A "Ticking Timebomb" For Earth
Melting Polar Ice Caps A "Ticking Timebomb" For Earth's Climate System
::2014/05/28::
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View of the polar regions by Natalia Galin.mp4
View of the polar regions by Natalia Galin.mp4
::2012/03/08::
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48
Arctic Sea Floor - Perspectives on Ocean Science
Arctic Sea Floor - Perspectives on Ocean Science
::2008/01/03::
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Altered Polar Regions
Altered Polar Regions
::2011/11/16::
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NASA Flying Laboratories Study Our World
NASA Flying Laboratories Study Our World
::2014/08/27::
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From Wikipedia, the free encyclopedia
  (Redirected from Polar region)
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Vizualization of the ice and snow covering Earth's North and South Poles.

The polar regions of Earth, also known as Earth's frigid zones, are the regions of Earth surrounding its geographical poles (the North and South Poles). These regions are dominated by Earth's polar ice caps, the northern resting on the Arctic Ocean and the southern on the continent of Antarctica.

Terrestrial polar regions[edit]

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]

Main article: Polar climate

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]

See also: North Pole

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]

See also: Antarctica

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.

Gallery[edit]

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.

See also[edit]

References[edit]

External links[edit]

Further reading[edit]

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


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