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, but see entry on International disputes
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 about 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: Indian Ocean 0 m
highest point: Vinson Massif 5,140 m
Natural resources: none presently exploited; iron ore, chromium,
copper, gold, nickel, platinum and other minerals, and coal and
hydrocarbons have been found in small, uncommercial quantities
Land use:
arable land: 0%
permanent crops: 0%
permanent pastures: 0%
forests and woodland: 0%
other: 100% (ice 98%, barren rock 2%)
Irrigated land: 0 sq km (1993)
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
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
Environment—international agreements:
party to: none of the selected agreements
signed, but not ratified: none of the selected agreements
Geography—note: the coldest, windiest, highest, 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
People
Population: no indigenous inhabitants, but there are seasonally
staffed research stations
note: approximately 29 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
Government
Country name: conventional long form: none conventional short form: Antarctica
Data code: AY
Government type: Antarctic Treaty Summary—the Antarctic Treaty, signed on 1 December 1959 and entered into force on 23 June 1961, establishes the legal framework for the management of Antarctica. Administration is carried out through consultative member meetings—the 22nd Antarctic Treaty Consultative Meeting was in Norway in May 1998. At the end of 1998, there were 43 treaty member nations: 27 consultative and 16 acceding. Consultative (voting) members include the seven nations that claim portions of Antarctica as national territory (some claims overlap) and 20 nonclaimant nations. The US and some other nations that have made no claims have reserved the right to do so. The US does not recognize the claims of others. The year in parentheses indicates when an acceding nation was voted to full consultative (voting) status, while no date indicates the country was an original 1959 treaty signatory. Claimant nations are—Argentina, Australia, Chile, France, New Zealand, Norway, and the UK. Nonclaimant consultative nations are—Belgium, Brazil (1983), Bulgaria (1978) China (1985), Ecuador (1990), Finland (1989), Germany (1981), India (1983), Italy (1987), Japan, South Korea (1989), Netherlands (1990), Peru (1989), Poland (1977), Russia, South Africa, Spain (1988), Sweden (1988), Uruguay (1985), and the US. Acceding (nonvoting) members, with year of accession in parentheses, are—Austria (1987), Canada (1988), Colombia (1988), Cuba (1984), Czech Republic (1993), Denmark (1965), Greece (1987), Guatemala (1991), Hungary (1984), North Korea (1987), Papua New Guinea (1981), Romania (1971), Slovakia (1993), Switzerland (1990), Turkey (1995), and Ukraine (1992). Article 1—area to be used for peaceful purposes only; military activity, such as weapons testing, is prohibited, but military personnel and equipment may be used for scientific research or any other peaceful purpose; Article 2—freedom of scientific investigation and cooperation shall continue; Article 3—free exchange of information and personnel in cooperation with the UN and other international agencies; Article 4—does not recognize, dispute, or establish territorial claims and no new claims shall be asserted while the treaty is in force; Article 5—prohibits nuclear explosions or disposal of radioactive wastes; Article 6—includes under the treaty all land and ice shelves south of 60 degrees 00 minutes south; Article 7—treaty-state observers have free access, including aerial observation, to any area and may inspect all stations, installations, and equipment; advance notice of all activities and of the introduction of military personnel must be given; Article 8—allows for jurisdiction over observers and scientists by their own states; Article 9—frequent consultative meetings take place among member nations; Article 10—treaty states will discourage activities by any country