The peaceful ocean (of the Latin name mare Pacificum, "peaceful overseas", granted on by the Portuguese discovery traveller the Ferdinand Magellan) is of the oceanic departments largest of the ground. The breidt itself the south, Asia limited of the North pole area in the north to Antarctica in and Australia on the west and America on the east. At 169.2 million square kilometres (65.3 miles of million.square) in area, this largest department of the ocean of the world - and, alternatively, the hydrosfeer - the cover concerning 46% of the water surface of the ground and approximately 32% of its total surface, which it makes larger than it the country area combined.[1 subdivides the each of ground ] evenaar of it in the peaceful ocean and south ocean of the north. The Mariana gutter in western Noord-Stille the ocean are the deepest point in the quiet ocean and the world, which reaches a depth of 10,911 meters (35,798 ft).[2 ] the ocean includes a third of the surface of the ground, which an area of 179.7 million has square kilometres (69.4 million sq mi and 161 millions cubic mi) - signaling larger than the complete extended area of the ground, with space for another Africa to reserveonderdelen. Approximately 15,500.kilometres (9.600, mi) of the Bering overseas in the North pole area to the ijzige forks of overseas of reddish of Antarctica in the south (although Antarctic area of quiet ocean sometimes as part of circumpolar Southern ocean) become described, the quiet ocean extends reaches approximately is largest East West breadth at breadth 5°N, where it stretches himself approximately 19,800.kilometres (12,300 mi) of Indonesia to the coast of Colombia and peru - halverwege concerning the world, and than five times the dia meter more of the maan. The western border of the ocean is frequently placed at the street of Malacca. The lowest point on aarde-Mariana geul-Leugens 10,911 the meter (35,797 feet) under sea level. Its average depth is 4,280 meters (14,000 ft)[1 ]. Along the quiet ocean the irregular western forks of the ocean a lot of lie overseas, largest of which it it overseas of celebes, overseas of the koraal, overseas the East - of China, Philippine overseas, overseas of Japan, overseas the south - of China, it overseas of Sulu, overseas case man is, and yellow overseas. The street of Malacca dovetails himself the quiet ocean and the Indian oceans on the west, and the street of Magellan links the quiet ocean with the Atlantic ocean on the east. To the north, the Bering link street the quiet ocean to the North pole ocean. For the largest part of travel of Magellan of the street of Magellan to the Philippines, the discovery traveller found indeed the ocean peaceful. However, the quiet ocean is not always peaceful. A lot of tropical cyclones (typhoons, the equivalent of Atlantic hurricanes), beat the islands the quiet ocean. The country around the peaceful edge has been frequently influenced entirely of volcanos and by earthquakes. Tsunamis, which are caused by onderwateraardbevingen, have devastated a lot of islands and destroyed complete cities. Surface turn of peaceful wateren is generally with the indicators of the bell in the northern hemisfeer (peaceful Gyre of the north) and linksdraaiend in the Southern hemisfeer. The equatorial flow of the north, which is floated western along breadth 15°N by trade winds, the north twists near the Philippines to become the warm flow Japan or Kuroshio. Approximately towards the east twisting at 45°N, the forks move themselves Kuroshio and some wateren northward such as Aleoetishe flow, whereas the rest southward turn to unite the equatorial flow of the north. The Aleoetishe current branches since the noord-Amerika approaches and overseas form the basis of linksdraaiende turn in the Bering. Its Southern weapon becomes the cooled slow, south south-flowing flow of California. Equatorial current of the south, West flowing east of nieuw-Guinea, southward along the evenaar, schommelings, twists approximately the east at 50°S, and connects itself at the most important westerly turn of the Southern quiet ocean, which includes ground ground-circling the Antarctic circumpolar flow. Since it the Chilean coast approaches, the equatorial flow of the south divides; the one branch flows around the Hoorn of the cape and other twist the north to form peru or Humboldt the flow. The andesite line is the most significant regional distinction in the quiet ocean. It separates the deeper, mafic stollingsgesteente of the central peaceful basin of the partially immersed continental areas of felsic stollingsgesteente on its forks. The andesite line follows the western edge of the islands of California and proceeds south of the Aleoetishe bent, along the Eastern edge of the peninsula of Kamchatka, the Kuril islands, Japan, the Mariana islands, the Salomon islands, and new sea country. The inequality passes by northeastward along the western edge of the Cordillera of the andes zuid-Amerika further to Mexico, which returns then to the islands of California. Indonesia, the Philippines, Japan, nieuw-Guinea, and new Zeeland-Alle Eastern extensions of the continental block-systems of Australia and Azië-Leugen the line of andesite. Within the closed line of andesite the line is most of deep the troughs, the immersed volcanic mounts, and oceanic volcanic islands which characterise the peaceful basin. Here basaltachtige the lava pours out gently slits to build giant koepelvormige volcanic mounts of which eroded tops island arcs, collars, and memoranda of forms. Outside the line of andesite, the vulkanisme of the explosive type are, and the peaceful ring of fire is the most important oar of the world of explosive vulkanisme. The ring of fire is called after the hundreds active volcanos which sit above the several disposal regions. The largest extended area entirely within the peaceful ocean is the island nieuw-Guinea - the second largest island in the world. Almost lie the each of smaller islands quiet ocean between 30°N and 30°S, extend themselves of South-East Asia to the island of Easter; the rest of the peaceful basin is immersed almost entirely. The third and fourth types of islands are it both result of koraalachtige island construction. The ore veins of the koraal are low-lying structures which have built on basaltachtige lava flows under the surface of the ocean. One of most dramatic are the large barrier reef of northeast Australia. A second island type of that of koraal becomes is formed the uplifted koraalplatform, which usually lichtjes are larger than the low koraaleilanden. The examples include Banaba (former ocean island) and Makatea in the group Tuamotu French Polynesia. The ocean was observed Europeans kept on asking in the 16de centuries, firstly by the Spanish discovery traveller Vasco Núñez the ball caterpillar hose (1513), which crossed out the isthmus of panama, and then Ferdinand Magellan, which the quiet ocean during its circumnavigation (1519-1522) fodder. In 1564, conquistadors crossed out the ocean of Mexico that Miguel Lopez the Legazpi are conducted which to the islands of Philippines and Mariana fodder. For the rest of the 16de centuries, the Spanish influence was primordial, with ships which of Spain to the Philippines, nieuw-Guinea, and the Salomon islands sail; Manilla Galleons linked manilla and Acapulco. During the 17de centuries, predominated the Dutch, who sail around South Africa, discovery and trade; Abel Janszoon which case man Tasmanige and new sea country discovered in 1642. The 18de centuries saw a breaking loose of exploration by the Russians in Alaska and the Aleoetishe islands, the french in Polynesia, and at in the three travel of James Cook (to the quiet south sea and Australia, Hawaï, and the North-American peaceful northwest). The growing imperialisme during the 19de centuries resulted in the profession of much of oceanië by large Great Britain and France, which is followed by the United States. The significant contributions to oceanographic knowledge were made by the travel of brak HMS in 1830s, with to border Charles Darwin; HMS applicant during the years 1870; USS Tuscarora (1873-76); and German gazelle (1874-76). Although the United States conquered the Philippines in 1898, Japan checked the western quiet ocean in 1914 and occupied many other islands during war of the world II. At the end of the war, the peaceful fleet of the V.S. was the virtual master of the ocean. Seventeen independent states are established in the quiet ocean: Australia, fiji, Japan, kiribati, the Marshall islands, micronesië, nauru, new sea country, Palau, papoea-Nieuw-Guinea, the Philippines, Samoa, the Salomon islands, republic China (taiwan), tonga, tuvalu, and vanuatu. Eleven of these nations since 1960 have reached complete independence. The northern Mariana islands zelf-regeren with foreign affairs which are treated by the United States, and the Cook islands and niue in similar proportions with new sea country are. Also within the quiet ocean the state of the V.S. of Hawaï and different island groups is and has of Australia, Chile, ecuador, France, Japan, new sea country, the United Kingdom, and the United States. The exploitation of the mineral wealth of the quiet ocean is obstructed by the large depths of the ocean. In shallow wateren of the continental plat of the coasts of Australia and new sea country, the crude and the aardgas are obtained, and the pearls in some are harvested cases along the coasts of Australia, Japan, papoea-Nieuw-Guinea, Nicaragua, panama, and the Philippines, although in sharply decreasing volume. The largest assets of the quiet ocean are its fish. The oeverwateren of the continents and the more moderate islands produce herrings, salmon, sardines, snapper, swordfish, and tuna, as well as shellfish. The mariene pollution are a generisch period for the detrimental entrance in the ocean of chemical products or particles. Largest pity is rivers which used empty in the ocean, and with the vele chemical products as fertilizer in agriculture as well as detritus of cattle and people. Excess which exhausts chemical products in water of oxygen the realisation of a dead region leads (ecology).[3 to hypoxia and
Tuesday, February 12, 2008
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