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Antarctic vs. Arctic Pole Comparison |
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HOME » Articles » Antarctic vs. Arctic Pole Comparison
Antarctic Vs. Arctic Pole Comparison
While the Earth's polar regions are similar in many ways, the North and South
Poles also display stark differences. Here is a brief comparision of the two
poles.
Natural
Features
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Antarctic
- The Antarctic is a continent
surrounded by ocean.
- Icebergs are calved from glaciers and shelf ice
year round, and may measure in excess of 25 cubic miles.
- The sea ice
accumulates annually and more than doubles the size of the
continent.
- Over 97% of the Antarctic landmass is covered by the
unbroken South Polar ice sheet.
- Elevation at the South Pole is 9300
feet above sea level, although the bedrock is only 100 feet above sea level the
annual mean temperature at the South Pole is -58°F.
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Arctic
- The Arctic is an
ocean surrounded by continents.
- Icebergs are calved from glaciers and
are seasonal. The icebergs are measured in cubic yards.
- Sea ice
accumulates over several years.
- Land ice is found in limited areas,
the largest being the Greenland ice sheet.
- The elevation at the North
Pole is 3 feet of sea ice. The bedrock is located 1400 feet below sea
level.
- The annual mean temperature at the North Pole is 0°F.
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Plants and Animals
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Antarctic
- No tundra or tree
lines. The subantarctic zone is marked by the Antarctic
Convergence.
- No terrestrial mammals.
- Marine mammals
include whales, porpoises and seals.
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Arctic
- The Tundra is well
developed and marked by a tree shrubline.
- Terrestrial mammals include
musk ox, reindeer, caribou, fox, hare, wolf, lemming, bears, and
more.
- Marine mammals include whales, porpoises, seals, and amphibious
mammals.
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Human
Activities
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Antarctic
- No record of primitive humans and
no native groups.
- The population south of 60°S is sparse and occurs
at scattered scientific stations.
- There is no exploitation of
terrestrial resources.
- First crossing of the Antarctic Circle was by
James Cook on January 17, 1773.
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Arctic
- There are native
people with a long cultural record and ethnic groups on continents all around
the Arctic.
- Human population north of 60°N is in excess of 2 million
with modern settlements.
- There is widespread exploitation of natural
resources and technological development.
- The first crossing of the
Artic Circle is prehistoric.
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Adapted
from: United States National Science Foundation. The United States in
Antarctica: Report of the U.S. Antarctic Program External Panel. 1997
[Washington, D.C.]
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