Antartica Essay examples

812 Words Jul 28th, 2015 4 Pages
Antartica is Earth's southernmost continent, containing the geographic South Pole. It is situated in surrounded by the Southern Ocean. At 14.0 million km2 (5.4 million sq mi), it is the fifth-largest continent in area after Asia, Africa, North America, and South America. For comparison, Antarctica is nearly twice the size of Australia. About 98% of Antarctica is covered by ice that averages at least 1 mile (1.6 km) in thickness, which extends to all but the northernmost reaches of the Antarctic Peninsula.

Climate hthis is 11 °C (20 °F) colder than subliming dry ice. Antarctica is a frozen desert with little precipitation; the South Pole itself receives less than 10 cm (4 in) per year, on average. Temperatures reach a minimum of
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High densities of invertebrates also live in the ocean, with Antarctic krill forming dense and widespread swarms during the summer. Seal animal communities also exist around the continent. =0
Politics
Antarctica has no government, although various countries claim sovereignty in certain regions. While a few of these countries have mutually recognized each other's claims,[70] the validity of these claims is not recognized universally.[1]
New claims on Antarctica have been suspended since 1959 and the continent is considered politically neutral. Its status is regulated by the 1959 Antarctic Treaty and other related agreements, collectively called the Antarctic Treaty System. Antarctica is defined as all land and ice shelves south of 60° S for the purposes of the Treaty System. The treaty was signed by twelve countries including the Soviet Union (and later Russia), the United Kingdom,Argentina, Chile, Australia, and the United States.[71] It set aside Antarctica as a scientific preserve, established freedom of scientific investigation and environmental protection, and banned military activity on the continent. This was the first arms control agreement established during the Cold War. Economy
There is no economic activity in Antarctica at present, except for fishing off the coast and small-scale tourism, both based outside Antarctica. The Antarctican dollar, a souvenir item sold in the United States and Canada, is not legal

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