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Home Reference
Maps Appendixes
| Background: |
Speculation over the existence of a "southern land" was not confirmed
until the early 1820s when British and American commercial operators
and British and Russian national expeditions began exploring the Antarctic
Peninsula region and other areas south of the Antarctic Circle. Not
until 1840 was it established that Antarctica was indeed a continent
and not just a group of islands. Several exploration "firsts" were achieved
in the early 20th century. Following World War II, there was an upsurge
in scientific research on the continent. A number of countries have
set up year-round research stations on Antarctica. Seven have made territorial
claims, but no other country recognizes these claims. In order to form
a legal framework for the activities of nations on the continent, an
Antarctic Treaty was negotiated that neither denies nor gives recognition
to existing territorial claims; signed in 1959, it entered into force
in 1961. |
| Location: |
continent mostly south of the Antarctic Circle |
| Geographic
coordinates: |
90 00 S, 0 00 E |
| Map
references: |
Antarctic
Region |
| Area: |
total: 14 million sq km note: fifth-largest
continent, following Asia, Africa, North America, and South America,
but larger than Australia and the subcontinent of Europe land:
14 million sq km (280,000 sq km ice-free, 13.72 million sq km ice-covered)
(est.) |
| Area
- comparative: |
slightly less than 1.5 times the size of the US |
| Land
boundaries: |
0 km note: see entry on International disputes |
| Coastline: |
17,968 km |
| Maritime
claims: |
none; 20 of 27 Antarctic consultative nations have made no claims to
Antarctic territory (although Russia and the US have reserved the right
to do so) and do not recognize the claims of the other nations; also
see the Disputes - international entry |
| Climate: |
severe low temperatures vary with latitude, elevation, and distance
from the ocean; East Antarctica is colder than West Antarctica because
of its higher elevation; Antarctic Peninsula has the most moderate climate;
higher temperatures occur in January along the coast and average slightly
below freezing |
| Terrain: |
about 98% thick continental ice sheet and 2% barren rock, with average
elevations between 2,000 and 4,000 meters; mountain ranges up to nearly
5,000 meters; ice-free coastal areas include parts of southern Victoria
Land, Wilkes Land, the Antarctic Peninsula area, and parts of Ross Island
on McMurdo Sound; glaciers form ice shelves along about half of the
coastline, and floating ice shelves constitute 11% of the area of the
continent |
| Elevation
extremes: |
lowest point: Bentley Subglacial Trench -2,555 m highest
point: Vinson Massif 4,897 m note: the lowest known
land point in Antarctica is hidden in the Bentley Subglacial Trench;
at its surface is the deepest ice yet discovered and the world's lowest
elevation not under seawater |
| Natural
resources: |
iron ore, chromium, copper, gold, nickel, platinum and other minerals,
and coal and hydrocarbons have been found in small uncommercial quantities;
none presently exploited; krill, finfish, and crab have been taken by
commercial fisheries |
| Land
use: |
arable land: 0% permanent crops: 0% other:
100% (ice 98%, barren rock 2%) (1998 est.) |
| Irrigated
land: |
0 sq km (1998 est.) |
| Natural
hazards: |
katabatic (gravity-driven) winds blow coastward from the high interior;
frequent blizzards form near the foot of the plateau; cyclonic storms
form over the ocean and move clockwise along the coast; volcanism on
Deception Island and isolated areas of West Antarctica; other seismic
activity rare and weak; large icebergs may calve from ice shelf |
| Environment
- current issues: |
in 1998, NASA satellite data showed that the antarctic ozone hole was
the largest on record, covering 27 million square kilometers; researchers
in 1997 found that increased ultraviolet light coming through the hole
damages the DNA of icefish, an antarctic fish lacking hemoglobin; ozone
depletion earlier was shown to harm one-celled antarctic marine plants;
in 2002, significant areas of ice shelves disintegrated in response
to regional warming |
| Geography
- note: |
the coldest, windiest, highest (on average), and driest continent; during
summer, more solar radiation reaches the surface at the South Pole than
is received at the Equator in an equivalent period; mostly uninhabitable
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| Population: |
no indigenous inhabitants, but there are seasonally staffed research
stations note: approximately 27 nations, all signatory to
the Antarctic Treaty, send personnel to perform seasonal (summer) and
year-round research on the continent and in its surrounding oceans;
the population of persons doing and supporting science on the continent
and its nearby islands south of 60 degrees south latitude (the region
covered by the Antarctic Treaty) varies from approximately 4,000 in
summer to 1,000 in winter; in addition, approximately 1,000 personnel
including ship's crew and scientists doing onboard research are present
in the waters of the treaty region; summer (January) population - 3,687
total; Argentina 302, Australia 201, Belgium 13, Brazil 80, Bulgaria
16, Chile 352, China 70, Finland 11, France 100, Germany 51, India 60,
Italy 106, Japan 136, South Korea 14, Netherlands 10, NZ 60, Norway
40, Peru 28, Poland 70, Russia 254, South Africa 80, Spain 43, Sweden
20, UK 192, US 1,378 (1998-99); winter (July) population - 964 total;
Argentina 165, Australia 75, Brazil 12, Chile 129, China 33, France
33, Germany 9, India 25, Japan 40, South Korea 14, NZ 10, Poland 20,
Russia 102, South Africa 10, UK 39, US 248 (1998-99); year-round stations
- 42 total; Argentina 6, Australia 4, Brazil 1, Chile 4, China 2, Finland
1, France 1, Germany 1, India 1, Italy 1, Japan 1, South Korea 1, NZ
1, Norway 1, Poland 1, Russia 6, South Africa 1, Spain 1, Ukraine 1,
UK 2, US 3, Uruguay 1 (1998-99); summer-only stations - 32 total; Argentina
3, Australia 4, Bulgaria 1, Chile 7, Germany 1, India 1, Japan 3, NZ
1, Peru 1, Russia 3, Sweden 2, UK 5 (1998-99); in addition, during the
austral summer some nations have numerous occupied locations such as
tent camps, summer-long temporary facilities, and mobile traverses in
support of research (July 2003 est.)
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| Economy
- overview: |
Fishing off the coast and tourism, both based abroad, account for the
limited economic activity. Antarctic fisheries in 2000-01 (1 July-30
June) reported landing 112,934 metric tons. Unregulated fishing, particularly
of tooth fish, is a serious problem. Allegedly illegal fishing in antarctic
waters in 1998 resulted in the seizure (by France and Australia) of
at least eight fishing ships. The Convention on the Conservation of
Antarctic Marine Living Resources determines the recommended catch limits
for marine species. A total of 12,248 tourists visited in the 2000-01
antarctic summer, down from the 14,762 who visited the previous year.
Nearly all of them were passengers on 21 commercial (nongovernmental)
ships and several yachts that made trips during the summer. Most tourist
trips lasted approximately two weeks.
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