134-707: The Gold Coast Seaway or Southport Seaway is the main navigation entrance from the Pacific Ocean into the Gold Coast Broadwater and southern Moreton Bay and is one of Australia's most significant coastal engineering projects. It is located at the northern end of the Southport Spit where the Nerang River enters the Pacific Ocean. The channel was constructed between 1984 and 1986, primarily to facilitate
268-500: A South Asian country, emerges as one of the world's fastest movers since 1970 mainly due to health and education achievements. Its present life expectancy is 25 years longer than in the 1970s. More than four of every five children of school age in Nepal now attend primary school, compared to just one in five 40 years ago. Hong Kong ranked highest among the countries grouped on the HDI (number 7 in
402-631: A central lagoon . Important human migrations occurred in the Pacific in prehistoric times. Modern humans first reached the western Pacific in the Paleolithic , at around 60,000 to 70,000 years ago. Originating from a southern coastal human migration out of Africa, they reached East Asia , Mainland Southeast Asia , the Philippines, New Guinea , and then Australia by making the sea crossing of at least 80 kilometres (50 mi) between Sundaland and Sahul . It
536-659: A major hub for outsourcing. Trade between Asian countries and countries on other continents is largely carried out on the sea routes that are important for Asia. Individual main routes have emerged from this. The main route leads from the Chinese coast south via Hanoi to Jakarta, Singapore and Kuala Lumpur through the Strait of Malacca via the Sri Lankan Colombo to the southern tip of India via Malé to East Africa Mombasa (see also: Indo-Pacific ), from there to Djibouti , then through
670-567: A marsh or lowland containing a marsh in Lydia as ασιος . The term was later adopted by the Romans , who used it in reference to the province of Asia , located in western Anatolia. One of the first writers to use Asia as a name of the whole continent was Pliny . The history of Asia can be seen as the distinct histories of several peripheral coastal regions: East Asia , South Asia , Southeast Asia , Central Asia , and West Asia . The coastal periphery
804-403: A maximum depth of 20 m. During outgoing tides, excess treated wastewater from four sewage treatment plants is released into the channel. Research conducted by the government indicated the quantity of sand movement necessitated a solution that operated perpetually. Gold Coast Seaway is home to the world's first permanent sand bypassing system, which currently delivers all sand that arrives at
938-472: Is 4,280 m (14,040 ft; 2,340 fathoms), putting the total water volume at roughly 710,000,000 km (170,000,000 cu mi). Due to the effects of plate tectonics , the Pacific Ocean is currently shrinking by roughly 2.5 cm (1 in) per year on three sides, roughly averaging 0.52 km (0.20 sq mi) a year. By contrast, the Atlantic Ocean is increasing in size. Along
1072-399: Is a region where various independent cultures coexist rather than sharing a single culture, and the boundary between Europe is somewhat arbitrary and has moved since its first conception in classical antiquity . The division of Eurasia into two continents reflects East–West cultural differences, some of which vary on a spectrum. China and India traded places as the largest economies in
1206-1008: Is generally defined as comprising the eastern four-fifths of Eurasia. It is located to the east of the Suez Canal and the Ural Mountains , and south of the Caucasus Mountains (or the Kuma–Manych Depression ) and the Caspian and Black Seas . It is bounded on the east by the Pacific Ocean , on the south by the Indian Ocean and on the north by the Arctic Ocean. Asia is subdivided into 49 countries, five of them ( Georgia , Azerbaijan , Russia , Kazakhstan and Turkey ) are transcontinental countries lying partly in Europe . Geographically, Russia
1340-506: Is growing rapidly. In 2010, Asia had 3.3 million millionaires (people with net worth over US$ 1 million excluding their homes), slightly below North America with 3.4 million millionaires. In 2011, Asia topped Europe in number of millionaires. Citigroup in The Wealth Report 2012 stated that Asian centa-millionaire overtook North America's wealth for the first time as the world's "economic center of gravity" continued moving east. At
1474-462: Is moist across southeast sections, and dry across much of the interior. Some of the largest daily temperature ranges on Earth occur in western sections of Asia. The monsoon circulation dominates across southern and eastern sections, due to the presence of the Himalayas forcing the formation of a thermal low which draws in moisture during the summer. Southwestern sections of the continent are hot. Siberia
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#17328454887501608-491: Is not known with any certainty what level of maritime technology was used by these groups – the presumption is that they used large bamboo rafts which may have been equipped with some sort of sail. The reduction in favourable winds for a crossing to Sahul after 58,000 B.P. fits with the dating of the settlement of Australia, with no later migrations in the prehistoric period. The seafaring abilities of pre-Austronesian residents of Island South-east Asia are confirmed by
1742-569: Is one of the coldest places in the Northern Hemisphere , and can act as a source of arctic air masses for North America. The most active place on Earth for tropical cyclone activity lies northeast of the Philippines and south of Japan. Climate change is particularly important in Asia, as the continent accounts for the majority of the human population. Warming since the 20th century is increasing
1876-699: Is partly in Asia, but is considered a European nation , both culturally and politically. The Gobi Desert is in Mongolia and the Arabian Desert stretches across much of the Middle East. The Yangtze in China is the longest river in the continent. The Himalayas between Nepal and China is the tallest mountain range in the world. Tropical rainforests stretch across much of southern Asia and coniferous and deciduous forests lie farther north. There are various approaches to
2010-486: Is projected to move to third place, behind China and India. While nearly half of the world's new renewable energy capacity is built in Asia, this is not yet sufficient in order to meet the goals of the Paris Agreement . They imply that the renewables would account for 35% of total energy consumption in Asia by 2030. Asia has the largest continental economy in the world by both GDP nominal and PPP values, and
2144-429: Is the fastest growing economic region. As of 2023 , China is by far the largest economy on the continent, making up nearly half of the continent's economy by GDP nominal. It is followed by Japan, India, South Korea, Indonesia, Saudi Arabia and Turkey, which are all ranked among the top 20 largest economies both by nominal and PPP values. Based on Global Office Locations 2011, Asia dominated the office locations with 4 of
2278-403: Is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometers, about 30% of Earth 's total land area and 8% of Earth's total surface area. The continent, which has long been home to the majority of the human population , was the site of many of the first civilizations . Its 4.7 billion people constitute roughly 60% of
2412-598: Is the largest and deepest of Earth's five oceanic divisions . It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica ) in the south, and is bounded by the continents of Asia and Australia in the west and the Americas in the east. At 165,250,000 square kilometers (63,800,000 square miles) in area (as defined with a southern Antarctic border), this largest division of
2546-620: The Americas , although evidence for this remains inconclusive. The first contact of European navigators with the western edge of the Pacific Ocean was made by the Portuguese expeditions of António de Abreu and Francisco Serrão , via the Lesser Sunda Islands , to the Maluku Islands , in 1512, and with Jorge Álvares 's expedition to southern China in 1513, both ordered by Afonso de Albuquerque from Malacca . The eastern side of
2680-424: The Americas , more than 25,000 islands, large and small, rise above the surface of the Pacific Ocean. Multiple islands were the shells of former active volcanoes that have lain dormant for thousands of years. Close to the equator, without vast areas of blue ocean, are a dot of atolls that have over intervals of time been formed by seamounts as a result of tiny coral islands strung in a ring within surroundings of
2814-510: The Bering Sea in the Arctic to the northern extent of the circumpolar Southern Ocean at 60°S (older definitions extend it to Antarctica 's Ross Sea ), the Pacific reaches its greatest east–west width at about 5°N latitude , where it stretches approximately 19,800 km (12,300 mi) from Indonesia to the coast of Colombia – halfway around the world, and more than five times
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#17328454887502948-577: The European Union (EU), the North American Free Trade Agreement (NAFTA) or APEC ). This ended in 2010 when China overtook Japan to become the world's second largest economy. It is forecasted that India will overtake Japan in terms of nominal GDP by 2027. In the late 1980s and early 1990s, Japan's GDP by currency exchange rates was almost as large as that of the rest of Asia combined. In 1995, Japan's economy nearly equaled that of
3082-703: The Hebrew Bible in the narrative of Noah —and later to Christians in the Old Testament , and to Muslims in the Quran —is earliest found in Mesopotamian mythology , in the Enûma Eliš and Epic of Gilgamesh . Hindu mythology similarly tells about an avatar of Vishnu in the form of a fish who warned Manu of a terrible flood. Ancient Chinese mythology also tells of a Great Flood spanning generations, one that required
3216-615: The Hindu Kush region will become more unstable as its enormous glaciers , known as the "Asian water towers", gradually melt. These changes to water cycle also affect vector-borne disease distribution, with malaria and dengue fever expected to become more prominent in the tropical and subtropical regions. Food security will become more uneven, and South Asian countries could experience significant impacts from global food price volatility. Historical emissions from Asia are lower than those from Europe and North America. However, China has been
3350-583: The Pacific War ; however, by the end of that war, Japan was defeated and the U.S. Pacific Fleet was the virtual master of the ocean. The Japanese-ruled Northern Mariana Islands came under the control of the United States. Since the end of World War II, many former colonies in the Pacific have become independent states . The Pacific separates Asia and Australia from the Americas. It may be further subdivided by
3484-708: The Sirena Deep , is also located in the Mariana Trench. The western Pacific has many major marginal seas , including the Philippine Sea , South China Sea , East China Sea , Sea of Japan , Sea of Okhotsk , Bering Sea , Gulf of Alaska , Gulf of California , Mar de Grau , Tasman Sea , and the Coral Sea . In the early 16th century , Spanish explorer Vasco Núñez de Balboa crossed the Isthmus of Panama in 1513 and sighted
3618-693: The Southern Hemisphere . The North Equatorial Current , driven westward along latitude 15°N by the trade winds , turns north near the Philippines to become the warm Japan or Kuroshio Current . Turning eastward at about 45°N , the Kuroshio forks and some water moves northward as the Aleutian Current , while the rest turns southward to rejoin the North Equatorial Current. The Aleutian Current branches as it approaches North America and forms
3752-683: The Southwest Pacific around Oceania . The Pacific Ocean's mean depth is 4,000 meters (13,000 feet). Challenger Deep in the Mariana Trench , located in the northwestern Pacific, is the deepest known point in the world, reaching a depth of 10,928 meters (35,853 feet). The Pacific also contains the deepest point in the Southern Hemisphere , the Horizon Deep in the Tonga Trench , at 10,823 meters (35,509 feet). The third deepest point on Earth,
3886-561: The Strait of Magellan to the Philippines , the explorer indeed found the ocean peaceful; however, the Pacific is not always peaceful. Many tropical storms batter the islands of the Pacific. The lands around the Pacific Rim are full of volcanoes and often affected by earthquakes . Tsunamis , caused by underwater earthquakes, have devastated many islands and in some cases destroyed entire towns. The Martin Waldseemüller map of 1507
4020-694: The Surami Pass and along the Kura River to the Caspian Sea), a convention still followed by Herodotus in the 5th century BCE. During the Hellenistic period , this convention was revised, and the boundary between Europe and Asia was now considered to be the Tanais (the modern Don River). This is the convention used by Roman era authors such as Posidonius , Strabo and Ptolemy . The border between Asia and Europe
4154-870: The Ural River prevailed in the mid-19th century. The border had been moved perforce from the Black Sea to the Caspian Sea into which the Ural River projects. The border between the Black Sea and the Caspian is usually placed along the crest of the Caucasus Mountains , although it is sometimes placed further north. The border between Asia and Oceania is usually placed somewhere in the Indonesia Archipelago , specifically in Eastern Indonesia . The Wallace Line separates
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4288-772: The Western Hemisphere . The Southern Pacific Ocean harbors the Southeast Indian Ridge crossing from south of Australia turning into the Pacific-Antarctic Ridge (north of the South Pole ) and merges with another ridge (south of South America) to form the East Pacific Rise which also connects with another ridge (south of North America) which overlooks the Juan de Fuca Ridge . For most of Magellan's voyage from
4422-654: The World Ocean and the hydrosphere covers about 46% of Earth's water surface and about 32% of the planet's total surface area, larger than its entire land area (148,000,000 km (57,000,000 sq mi)). The centers of both the Water Hemisphere and the Western Hemisphere , as well as the oceanic pole of inaccessibility , are in the Pacific Ocean. Ocean circulation (caused by the Coriolis effect ) subdivides it into two largely independent volumes of water that meet at
4556-578: The century of humiliation , with the British-supported opium trade and later Opium Wars resulting in China being forced into an unprecedented situation of importing more than it exported. Foreign domination of China was furthered by the Japanese colonial empire , which controlled some of East Asia and briefly much of Southeast Asia (which had earlier been taken over by the British, Dutch and French in
4690-566: The crab claw sail ) – it is likely that the progressive development of these technologies were related to the later steps of settlement into Near and Remote Oceania. Starting at around 2200 BCE, Austronesians sailed southwards to settle the Philippines . From, probably, the Bismarck Archipelago they crossed the western Pacific to reach the Marianas Islands by 1500 BCE, as well as Palau and Yap by 1000 BCE. They were
4824-929: The equator , the North Pacific Ocean and the South Pacific Ocean (or more loosely the South Seas ). The Pacific Ocean can also be informally divided by the International Date Line into the East Pacific and the West Pacific , which allows it to be further divided into four quadrants, namely the Northeast Pacific off the coasts of North America , the Southeast Pacific off South America , Northwest Pacific off Far Eastern / Pacific Asia , and
4958-638: The monsoons will experience more flooding. The waters around Asia are subjected to the same impacts as elsewhere, such as the increased warming and ocean acidification . There are many coral reefs in the region, and they are highly vulnerable to climate change, to the point practically all of them will be lost if the warming exceeds 1.5 °C (2.7 °F). Asia's distinctive mangrove ecosystems are also highly vulnerable to sea level rise . Asia also has more countries with large coastal populations than any other continent, which would cause large economic impacts from sea level rise. Water supplies in
5092-432: The steppes . The earliest postulated expansion out of the steppe is that of the Indo-Europeans , who spread their languages into West Asia, South Asia, and the borders of China, where the Tocharians resided. The northernmost part of Asia, including much of Siberia , was largely inaccessible to the steppe nomads, owing to the dense forests, climate and tundra . These areas remained very sparsely populated. The center and
5226-406: The 17th century, the Manchu conquered China and established the Qing dynasty . The Islamic Mughal Empire (preceded by the Delhi Sultanate of the 13th to early 16th century) and the Hindu Maratha Empire controlled much of India in the 16th and 18th centuries respectively. Western imperialism in Asia from the 18th to 20th centuries coincided with the Industrial Revolution in the West and
5360-416: The 1990s, with extreme poverty now below 20%; India and China's rise has coincided with growing tension between the two, with the Indo-Pacific now an actively contested area between China and counterbalancing forces. Asia is the largest continent on Earth. It covers 9% of the Earth's total surface area (or 30% of its land area), and has the longest coastline, at 62,800 kilometres (39,022 mi). Asia
5494-466: The 7th century; Islam also spread over centuries to the southern regions of India and Southeast Asia through trade along the Maritime Silk Road . The Mongol Empire conquered a large part of Asia in the 13th century, an area extending from China to Europe. Before the Mongol invasion, Song dynasty reportedly had approximately 120 million citizens; the 1300 census which followed the invasion reported roughly 60 million people. The Black Death , one of
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5628-427: The Asian and Wallacea biogeographical realms, a transition zone of deep water straits between the Asian and Australian continental shelves. Weber's Line split the region in two with regard to the balance of fauna between Asian origin or Australo-Papuan origin. Wallacea's eastern boundary with Sahul is represented by the Lydekker's Line . The Maluku Islands (except the Aru Islands) are often considered to lie on
5762-441: The Asian goods traffic is carried out across the Pacific towards Los Angeles and Long Beach . The melting of the Arctic is also paving the way for new shipping routes from Northeast Asia to Europe and North America. In contrast to the sea routes, the Silk Road via the land route to Europe is on the one hand still under construction and on the other hand is much smaller in terms of scope. Intra-Asian trade, including sea trade,
5896-414: The Atlantic, the Strait of Magellan was at times patrolled by fleets sent to prevent the entrance of non-Spanish ships. On the western side of the Pacific Ocean the Dutch threatened the Spanish Philippines . The 18th century marked the beginning of major exploration by the Russians in Alaska and the Aleutian Islands , such as the First Kamchatka expedition and the Great Northern Expedition , led by
6030-405: The Atlantic. The andesite line is the most significant regional distinction in the Pacific. A petrologic boundary, it separates the deeper, mafic igneous rock of the Central Pacific Basin from the partially submerged continental areas of felsic igneous rock on its margins. The andesite line follows the western edge of the islands off California and passes south of the Aleutian arc , along
6164-502: The Bering Strait, with Big Diomede in Russia and Little Diomede in the United States . The Aleutian Islands are an island chain extending westward from the Alaskan Peninsula toward Russia's Komandorski Islands and Kamchatka Peninsula . Most of them are always associated with North America, except for the westernmost Near Islands group, which is on Asia's continental shelf beyond the North Aleutians Basin and on rare occasions could be associated with Asia, which could then allow
6298-433: The Chilean coast, the South Equatorial Current divides; one branch flows around Cape Horn and the other turns north to form the Peru or Humboldt Current . The climate patterns of the Northern and Southern Hemispheres generally mirror each other. The trade winds in the southern and eastern Pacific are remarkably steady while conditions in the North Pacific are far more varied with, for example, cold winter temperatures on
6432-499: The Danish-born Russian navy officer Vitus Bering . Spain also sent expeditions to the Pacific Northwest , reaching Vancouver Island in southern Canada, and Alaska. The French explored and colonized Polynesia , and the British made three voyages with James Cook to the South Pacific and Australia, Hawaii , and the North American Pacific Northwest . In 1768, Pierre-Antoine Véron , a young astronomer accompanying Louis Antoine de Bougainville on his voyage of exploration, established
6566-414: The Gold Coast Seaway across the entrance and into the Moreton Bay Marine Park . Up to 500 cubic metres of sand can be moved per hour. The Gold Coast Shoreline Management Plan is reviewing this practice and examining the concept of Island welding to determine if 85% of the sand (80,000 cubic metres per year) can be sustainably recycled to Surfers Paradise . The bypass system uses ten pumps located along
6700-417: The Hittite king Tudhaliya I around 1400 BCE. Roughly contemporary Linear B documents contain the term aswia ( Mycenaean Greek : 𐀀𐀯𐀹𐀊 , romanized: a-si-wi-ja ), seemingly in reference to captives from the same area. Herodotus used the term in reference to Anatolia and the territory of the Achaemenid Empire , in contrast to Greece and Egypt. He reports that Greeks assumed that Asia
6834-424: The Indian Ocean respectively in the late 15th century. The Russian Empire also began to expand into northwestern Asia from the 17th century, and would eventually take control of all of Siberia and most of Central Asia by the end of the 19th century. Among non-European empires, the Ottoman Empire controlled Anatolia, most of the Middle East, North Africa and the Balkans from the mid 16th century onward, while in
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#17328454887506968-482: The Middle East has been affected since 1948 by the Arab–Israeli conflict and American-led interventions . East Asian nations (along with Singapore in Southeast Asia) became economically prosperous with high-growth " tiger economies "; China, having undergone capitalistic reforms under Deng Xiaoping , regained its place among the top two economies of the world by the 21st century. India has also grown significantly because of economic liberalisation that started in
7102-498: The Moluccas, between 1525 and 1527, Portuguese expeditions encountered the Caroline Islands , the Aru Islands , and Papua New Guinea . In 1542–43 the Portuguese also reached Japan. In 1564, five Spanish ships carrying 379 soldiers crossed the ocean from Mexico led by Miguel López de Legazpi , and colonized the Philippines and Mariana Islands . For the remainder of the 16th century, Spain maintained military and mercantile control, with ships sailing from Mexico and Peru across
7236-400: The Ottoman Empire in the early 20th century led to the Middle East also being contested and partitioned by the British and French. With the end of World War II in 1945 and the wartime ruination of Europe and imperial Japan, many countries in Asia were able to rapidly free themselves of colonial rule. The independence of India came along with the carving out of a separate nation for
7370-527: The Pacific Ring of Fire is the world's foremost belt of explosive volcanism . The Ring of Fire is named after the several hundred active volcanoes that sit above the various subduction zones. The Pacific Ocean is the only ocean which is mostly bounded by subduction zones. Only the central part of the North American coast and the Antarctic and Australian coasts have no nearby subduction zones. Asia Asia ( / ˈ eɪ ʒ ə / AY -zhə , UK also / ˈ eɪ ʃ ə / AY -shə )
7504-429: The Pacific Ocean to the Philippines via Guam , and establishing the Spanish East Indies . The Manila galleons operated for two and a half centuries, linking Manila and Acapulco , in one of the longest trade routes in history. Spanish expeditions also arrived at Tuvalu , the Marquesas , the Cook Islands , the Solomon Islands , Vanuatu , the Marshalls and the Admiralty Islands in the South Pacific. Later, in
7638-399: The Pacific Ocean's irregular western margins lie many seas, the largest of which are the Celebes Sea , Coral Sea , East China Sea (East Sea), Philippine Sea , Sea of Japan , South China Sea (South Sea), Sulu Sea , Tasman Sea , and Yellow Sea (West Sea of Korea). The Indonesian Seaway (including the Strait of Malacca and Torres Strait ) joins the Pacific and the Indian Ocean to
7772-402: The Pacific in recorded history. They were part of a Spanish expedition to the Spice Islands that would eventually result in the first world circumnavigation . Magellan called the ocean Pacífico (or "Pacific" meaning, "peaceful") because, after sailing through the stormy seas off Cape Horn , the expedition found calm waters. The ocean was often called the Sea of Magellan in his honor until
7906-540: The Philippines already in 7000 BCE. Additional earlier migrations into Insular Southeast Asia, associated with Austroasiatic-speakers from Mainland Southeast Asia, are estimated to have taken place already in 15000 BCE. At around 1300 to 1200 BCE, a branch of the Austronesian migrations known as the Lapita culture reached the Bismarck Archipelago , the Solomon Islands , Vanuatu , Fiji , and New Caledonia . From there, they settled Tonga and Samoa by 900 to 800 BCE. Some also back-migrated northwards in 200 BCE to settle
8040-504: The Philippines, Sri Lanka and Vietnam. Asia has three main financial centers: Hong Kong, Tokyo and Singapore. Call centers and business process outsourcing (BPOs) are becoming major employers in India and the Philippines due to the availability of a large pool of highly skilled, English-speaking workers. The increased use of outsourcing has assisted the rise of India and the China as financial centers. Due to its large and extremely competitive information technology industry, India has become
8174-445: The Philippines. China has many languages and dialects in different provinces. Many of the world's major religions have their origins in Asia, including the five most practiced in the world (excluding irreligion ), which are Christianity, Islam, Hinduism, Chinese folk religion (classified as Confucianism and Taoism), and Buddhism. Asian mythology is complex and diverse. The story of the Great Flood for example, as presented to Jews in
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#17328454887508308-440: The Red Sea over the Suez Canal into Mediterranean (see also: Indo-Mediterranean ), there via Haifa, Istanbul and Athens to the upper Adriatic to the northern Italian hub of Trieste with its rail connections to Central and Eastern Europe or further to Barcelona and around Spain and France to the European northern ports. A far smaller part of the goods traffic runs via South Africa to Europe . A particularly significant part of
8442-454: The U.S. state of Alaska as well as the United States itself to be considered a transcontinental state. The Aleutian Islands are sometimes associated with Oceania, owing to their status as remote Pacific islands, and their proximity to the Pacific Plate. This is extremely rare however, due to their non-tropical biogeography, as well as their inhabitants , who have historically been related to Indigenous Americans . St. Lawrence Island in
8576-407: The US as the largest economy in the world for a day, after the Japanese currency reached a record high of 79 yen /US$ . Economic growth in Asia since World War II to the 1990s had been concentrated in Japan as well as the four regions of South Korea, Taiwan, Hong Kong and Singapore located in the Pacific Rim , known as the Asian tigers , which are now all considered developed economies, having among
8710-528: The United States. Significant contributions to oceanographic knowledge were made by the voyages of HMS Beagle in the 1830s, with Charles Darwin aboard; HMS Challenger during the 1870s; the USS Tuscarora (1873–76); and the German Gazelle (1874–76). In Oceania, France obtained a leading position as imperial power after making Tahiti and New Caledonia protectorates in 1842 and 1853, respectively. After navy visits to Easter Island in 1875 and 1887, Chilean navy officer Policarpo Toro negotiated
8844-416: The andesite line and include New Guinea, the islands of New Zealand, and the Philippines. Some of these islands are structurally associated with nearby continents. High islands are of volcanic origin, and many contain active volcanoes. Among these are Bougainville , Hawaii, and the Solomon Islands. The coral reefs of the South Pacific are low-lying structures that have built up on basaltic lava flows under
8978-408: The andesite line. Within the closed loop of the andesite line are most of the deep troughs, submerged volcanic mountains, and oceanic volcanic islands that characterize the Pacific basin. Here basaltic lavas gently flow out of rifts to build huge dome-shaped volcanic mountains whose eroded summits form island arcs, chains, and clusters. Outside the andesite line, volcanism is of the explosive type, and
9112-409: The arctic, icing from October to May can present a hazard for shipping while persistent fog occurs from June to December. A climatological low in the Gulf of Alaska keeps the southern coast wet and mild during the winter months. The Westerlies and associated jet stream within the Mid-Latitudes can be particularly strong, especially in the Southern Hemisphere, due to the temperature difference between
9246-518: The area of multinational corporations , but increasingly the PRC and India are making significant inroads. Many companies from Europe, North America, South Korea and Japan have operations in Asia's developing countries to take advantage of its abundant supply of cheap labour and relatively developed infrastructure. According to Citigroup in 2011, 9 of 11 Global Growth Generators countries came from Asia driven by population and income growth. They are Bangladesh, China, India, Indonesia, Iraq, Mongolia,
9380-421: The base of a counter-clockwise circulation in the Bering Sea . Its southern arm becomes the chilled slow, south-flowing California Current . The South Equatorial Current , flowing west along the equator, swings southward east of New Guinea , turns east at about 50°S , and joins the main westerly circulation of the South Pacific, which includes the Earth-circling Antarctic Circumpolar Current . As it approaches
9514-404: The border of southeast Asia, with the Aru Islands and Western New Guinea , to the east of the Lydekker's Line, being wholly part of Oceania, as both lie on the Australian continental plate. Culturally, the Wallacea region denoted the transition between Austronesian and Melanesian people , with varying degrees of intermixing between the two. In general, the further west and coastal a region is,
9648-537: The continent of Asia". Geographically, Asia is the major eastern constituent of the continent of Eurasia with Europe being a northwestern peninsula of the landmass. Asia, Europe and Africa make up a single continuous landmass— Afro-Eurasia —and share a common continental shelf . Almost all of Europe and a major part of Asia sit atop the Eurasian Plate , adjoined on the south by the Arabian and Indian Plate and with
9782-443: The cultural borders of its various types of constituents. From the time of Herodotus, a minority of geographers have rejected the three-continent system (Europe, Africa, Asia) on the grounds that there is no substantial physical separation between them. For example, Sir Barry Cunliffe , the emeritus professor of European archeology at Oxford, argues that Europe has been geographically and culturally merely "the western excrescence of
9916-590: The dethroning of India and China as the world's foremost economies. The British Empire first became dominant in South Asia, with most of the region being conquered by British traders in the late 18th and early 19th centuries before falling under direct British rule after a failed 1857 revolt ; the 1869 completion of the Suez Canal , which increased British access to India, went on to further European influence over Africa and Asia. Around this time, Western powers started to dominate China in what later became known as
10050-455: The diameter of the Moon. Its geographic center is in eastern Kiribati south of Kiritimati , just west from Starbuck Island at 4°58′S 158°45′W / 4.97°S 158.75°W / -4.97; -158.75 . The lowest known point on Earth – the Mariana Trench – lies 10,911 m (35,797 ft ; 5,966 fathoms ) below sea level. Its average depth
10184-402: The difference between temperatures aloft and sea surface temperatures is the greatest; however, each particular basin has its own seasonal patterns. On a worldwide scale, May is the least active month, while September is the most active month. November is the only month in which all the tropical cyclone basins are active. The Pacific hosts the two most active tropical cyclone basins , which are
10318-544: The east and the islands of Kiribati in the southeast. Melanesia, to the southwest, includes New Guinea , the world's second largest island after Greenland and by far the largest of the Pacific islands. The other main Melanesian groups from north to south are the Bismarck Archipelago , the Solomon Islands , Santa Cruz , Vanuatu , Fiji and New Caledonia . The largest area, Polynesia , stretching from Hawaii in
10452-493: The east coast of Russia contrasting with the milder weather off British Columbia during the winter months due to the preferred flow of ocean currents . In the tropical and subtropical Pacific, the El Niño Southern Oscillation (ENSO) affects weather conditions. To determine the phase of ENSO, the most recent three-month sea surface temperature average for the area approximately 3,000 km (1,900 mi) to
10586-469: The east of the Suez Canal separating it from Africa; and to the east of the Turkish straits , the Ural Mountains and Ural River , and to the south of the Caucasus Mountains and the Caspian and Black seas, separating it from Europe. Since the concept of Asia derives from the term for the eastern region from a European perspective, Asia is the remaining vast area of Eurasia minus Europe. Therefore, Asia
10720-634: The eastern edge of the Kamchatka Peninsula , the Kuril Islands , Japan, the Mariana Islands , the Solomon Islands , and New Zealand's North Island . The dissimilarity continues northeastward along the western edge of the Andes Cordillera along South America to Mexico, returning then to the islands off California. Indonesia, the Philippines, Japan, New Guinea, and New Zealand lie outside
10854-657: The easternmost part of Siberia (east of the Chersky Range ) on the North American Plate . The term "Asia" is believed to originate in the Bronze Age toponym Assuwa ( Hittite : 𒀸𒋗𒉿 , romanized: aš-šu-wa ) which originally referred only to a portion of northwestern Anatolia . The term appears in Hittite records recounting how a confederation of Assuwan states including Troy unsuccessfully rebelled against
10988-558: The eighteenth century. Magellan stopped at one uninhabited Pacific island before stopping at Guam in March 1521. Although Magellan himself died in the Philippines in 1521, Spanish navigator Juan Sebastián Elcano led the remains of the expedition back to Spain across the Indian Ocean and round the Cape of Good Hope , completing the first world circumnavigation in 1522. Sailing around and east of
11122-485: The end of 2011, there were 18,000 Asian people mainly in Southeast Asia, China and Japan who have at least $ 100 million in disposable assets, while North America with 17,000 people and Western Europe with 14,000 people. With growing Regional Tourism with domination of Chinese visitors, MasterCard has released Global Destination Cities Index 2013 with 10 of 20 are dominated by Asia and Pacific Region Cities and also for
11256-634: The equator into northern (North Pacific) and southern (South Pacific) portions. It extends from the Antarctic region in the South to the Arctic in the north. The Pacific Ocean encompasses approximately one-third of the Earth's surface, having an area of 165,200,000 km (63,800,000 sq mi) – larger than Earth's entire landmass combined, 150,000,000 km (58,000,000 sq mi). Extending approximately 15,500 km (9,600 mi) from
11390-524: The equator, which can have a salinity as low as 34 parts per thousand, is less salty than that found in the mid-latitudes because of abundant equatorial precipitation throughout the year. The lowest counts of less than 32 parts per thousand are found in the far north as less evaporation of seawater takes place in these frigid areas. The motion of Pacific waters is generally clockwise in the Northern Hemisphere (the North Pacific gyre ) and counter-clockwise in
11524-662: The equatorial south via the hot deserts in parts of West Asia , Central Asia and South Asia , temperate areas in the east and the continental centre to vast subarctic and polar areas in North Asia . The boundary between Asia and Africa is the Suez Canal , the Gulf of Suez , the Red Sea , and the Bab-el-Mandeb . This makes Egypt a transcontinental country , with the Sinai peninsula in Asia and
11658-586: The first completely documented European landing in Australia (1606), in Cape York Peninsula , and Abel Janszoon Tasman circumnavigated and landed on parts of the Australian continental coast and arrived at Tasmania and New Zealand in 1642. In the 16th and 17th centuries, Spain considered the Pacific Ocean a mare clausum – a sea closed to other naval powers. As the only known entrance from
11792-469: The first humans to reach Remote Oceania , and the first to cross vast distances of open water. They also continued spreading southwards and settling the rest of Maritime Southeast Asia , reaching Indonesia and Malaysia by 1500 BCE, and further west to Madagascar and the Comoros in the Indian Ocean by around 500 CE. More recently, it is suggested that Austronesians expanded already earlier, arriving in
11926-414: The first time a city of a country from Asia ( Bangkok ) set in the top-ranked with 15.98 million international visitors. East Asia had by far the strongest overall Human Development Index (HDI) improvement of any region in the world, nearly doubling average HDI attainment over the past 40 years, according to the report's analysis of health, education and income data. China, the second highest achiever in
12060-523: The great "Southern Sea" which he named Mar del Sur (in Spanish). Afterwards, the ocean's current name was coined by Portuguese explorer Ferdinand Magellan during the Spanish circumnavigation of the world in 1521, as he encountered favorable winds on reaching the ocean. He called it Mar Pacífico , which in Portuguese means 'peaceful sea'. Top large seas: Across the continents of Asia, Australia and
12194-493: The highest GDP per capita in Asia. Asia is the largest continent in the world by a considerable margin, and it is rich in natural resources, such as petroleum , forests , fish , water , rice , copper and silver . Manufacturing in Asia has traditionally been strongest in East and Southeast Asia, particularly in China, Taiwan , South Korea, Japan, India, the Philippines, and Singapore. Japan and South Korea continue to dominate in
12328-439: The incorporation of the island into Chile with native Rapanui in 1888. By occupying Easter Island, Chile joined the imperial nations. By 1900 nearly all Pacific islands were in control of Britain, France, United States, Germany, Japan, and Chile. Although the United States gained control of Guam and the Philippines from Spain in 1898, Japan controlled most of the western Pacific by 1914 and occupied many other islands during
12462-533: The islands in the world. There are about 25,000 islands in the Pacific Ocean. The islands entirely within the Pacific Ocean can be divided into three main groups known as Micronesia , Melanesia and Polynesia . Micronesia, which lies north of the equator and west of the International Date Line , includes the Mariana Islands in the northwest, the Caroline Islands in the center, the Marshall Islands to
12596-730: The islands of eastern Micronesia (including the Carolines , the Marshall Islands , and Kiribati ), mixing with earlier Austronesian migrations in the region. This remained the furthest extent of the Austronesian expansion into Polynesia until around 700 CE when there was another surge of island exploration. They reached the Cook Islands , Tahiti , and the Marquesas by 700 CE; Hawaiʻi by 900 CE; Rapa Nui by 1000 CE; and finally New Zealand by 1200 CE. Austronesians may have also reached as far as
12730-520: The jetty. These are two metres beneath the sand. The pumps collect 500,000 cubic metres of sand over the course of a year. The sand, which is naturally moving northwards is pumped via a tunnel under the seaway to South Stradbroke Island, thereby making dredging unnecessary. It is managed by the Gold Coast Waterways Authority. Gold Coast Seaway is a popular diving and fishing location. Many surfers and body boarders regularly paddle across
12864-621: The late 19th century), New Guinea and the Pacific islands ; Japan's domination was enabled by its rapid rise that had taken place during the Meiji era of the late 19th century, in which it applied industrial knowledge learned from the West and thus overtook the rest of Asia. One significant influence on Japan had been the United States, which had begun projecting influence across the Pacific after its early-to-mid-19th century westward expansion . The breakup of
12998-511: The lowlands did not have enough open grasslands to support a large equestrian force; for this and other reasons, the nomads who conquered states in China, India, and the Middle East often found themselves adapting to the local, more affluent societies. The Islamic Caliphate 's defeats of the Byzantine and Persian empires led to West Asia and southern parts of Central Asia and western parts of South Asia under its control during its conquests of
13132-711: The majority of South Asian Muslims , which in 1971 further split into the countries Pakistan and Bangladesh ; Cold War tensions between the United States and the Soviet Union strained relations between India and Pakistan and affected Asia more generally. The end of the Cold War and the Soviet Union by 1991 saw the independence of the five modern Central Asian countries. Some Arab countries took economic advantage of massive oil deposits that were discovered in their territory, becoming globally influential, though stability in
13266-508: The most devastating pandemics in human history, is thought to have originated in the arid plains of central Asia, where it then travelled along the Silk Road . European involvement in Asia became more significant from the Age of Discovery onward, with Iberian-sponsored sailors such as Christopher Columbus and Vasco da Gama paving the way for new routes from Atlantic Europe to Pacific Asia and
13400-585: The north to New Zealand in the south, also encompasses Tuvalu , Tokelau , Samoa , Tonga and the Kermadec Islands to the west, the Cook Islands , Society Islands and Austral Islands in the center, and the Marquesas Islands , Tuamotu , Mangareva Islands , and Easter Island to the east. Islands in the Pacific Ocean are of four basic types: continental islands, high islands, coral reefs and uplifted coral platforms. Continental islands lie outside
13534-603: The northern Philippines , but also earlier groups associated with Austroasiatic-speakers , resulting in the modern peoples of Island Southeast Asia and Oceania. A later seaborne migration is the Neolithic Austronesian expansion of the Austronesian peoples . Austronesians originated from the island of Taiwan c. 3000 –1500 BCE. They are associated with distinctive maritime sailing technologies (notably outrigger boats , catamarans , lashed-lug boats, and
13668-698: The northern Bering Sea belongs to Alaska and may be associated with either continent but is almost always considered part of North America, as with the Rat Islands in the Aleutian chain. At their nearest points, Alaska and Russia are separated by only 4 kilometres (2.5 miles). Geographical Asia is a cultural artifact of European conceptions of the world, beginning with the Ancient Greeks , being imposed onto other cultures, an imprecise concept causing endemic contention about what it means. Asia does not exactly correspond to
13802-557: The northwestern Pacific and the eastern Pacific. Pacific hurricanes form south of Mexico, sometimes striking the western Mexican coast and occasionally the Southwestern United States between June and October, while typhoons forming in the northwestern Pacific moving into southeast and east Asia from May to December. Tropical cyclones also form in the South Pacific basin , where they occasionally impact island nations. In
13936-399: The ocean was encountered by Spanish explorer Vasco Núñez de Balboa in 1513 after his expedition crossed the Isthmus of Panama and reached a new ocean. He named it Mar del Sur ("Sea of the South" or "South Sea" ) because the ocean was to the south of the coast of the isthmus where he first observed the Pacific. In 1520, navigator Ferdinand Magellan and his crew were the first to cross
14070-549: The ocean's surface. One of the most dramatic is the Great Barrier Reef off northeastern Australia with chains of reef patches. A second island type formed of coral is the uplifted coral platform, which is usually slightly larger than the low coral islands. Examples include Banaba (formerly Ocean Island) and Makatea in the Tuamotu group of French Polynesia . The volume of the Pacific Ocean, representing about 50.1 percent of
14204-465: The peripheries were mostly kept separated by mountains and deserts. The Caucasus and Himalaya mountains and the Karakum and Gobi deserts formed barriers that the steppe horsemen could cross only with difficulty. While the urban city dwellers were more advanced technologically and socially, in many cases they could do little in a military aspect to defend against the mounted hordes of the steppe. However,
14338-569: The quest for Terra Australis ("the [great] Southern Land"), Spanish explorations in the 17th century, such as the expedition led by the Portuguese navigator Pedro Fernandes de Queirós , arrived at the Pitcairn and Vanuatu archipelagos, and sailed the Torres Strait between Australia and New Guinea, named after navigator Luís Vaz de Torres . Dutch explorers, sailing around southern Africa, also engaged in exploration and trade; Willem Janszoon , made
14472-682: The regional division of Asia. The following subdivision into regions is used, among others, by the United Nations Statistics Division (UNSD). This division of Asia into regions by the United Nations is done solely for statistical reasons and does not imply any assumption about political or other affiliations of countries and territories. Asia has extremely diverse climate features. Climates range from Arctic and subarctic in Siberia to tropical in southern India and Southeast Asia. It
14606-668: The remainder of the country in Africa. The threefold division of the Old World into Africa, Asia, and Europe has been in use since the 6th century BCE, due to Greek geographers such as Anaximander and Hecataeus . Anaximander placed the boundary between Asia and Europe along the Phasis River (the modern Rioni river) in Georgia of Caucasus (from its mouth by Poti on the Black Sea coast, through
14740-572: The safe passage of sea-faring vessels. The passage was previously known as the Southport Bar. The mouth of the Nerang River was once located further south in Broadbeach . The main driving force for this movement is the northward drift of sand along the coast. Before the bypass system was implemented the mouth of the Nerang River moved northwards at a rate of 60 metres per year. This northward drift
14874-687: The seaway on their boards from the mainland to South Stradbroke Island . Popular surfing sites include the sand pumping jetty on the mainland and the sand pumping outlets on South Stradbroke Island. In 2014, scientists from NatureServe in the US traveled to Australia to find a pipefish species first photographed by a diver in the seaway in November 2009. 27°56′7.02″S 153°25′40.76″E / 27.9352833°S 153.4279889°E / -27.9352833; 153.4279889 Pacific Ocean Main five oceans division: Further subdivision: The Pacific Ocean
15008-500: The settlement of Buka by 32,000 B.P. and Manus by 25,000 B.P. Journeys of 180 kilometres (110 mi) and 230 kilometres (140 mi) are involved, respectively. The descendants of these migrations today are the Negritos , Melanesians , and Indigenous Australians . Their populations in maritime Southeast Asia , coastal New Guinea , and Island Melanesia later intermarried with the incoming Austronesian settlers from Taiwan and
15142-490: The single largest emitter of greenhouse gases in the 21st century, while India is the third-largest. As a whole, Asia currently accounts for 36% of world's primary energy consumption, which is expected to increase to 48% by 2050. By 2040, it is also expected to account for 80% of the world's coal and 26% of the world's natural gas consumption. While the United States remains the world's largest oil consumer, by 2050 it
15276-500: The southeast of Hawaii is computed, and if the region is more than 0.5 °C (0.9 °F) above or below normal for that period, then an El Niño or La Niña is considered in progress. In the tropical western Pacific, the monsoon and the related wet season during the summer months contrast with dry winds in the winter which blow over the ocean from the Asian landmass. Worldwide, tropical cyclone activity peaks in late summer, when
15410-475: The stronger the Austronesian influences, and the further east and inland a region is, the stronger the Melanesian influences. The terms Southeast Asia and Oceania, devised in the 19th century, have had several vastly different geographic meanings since their inception. The chief factor in determining which islands of the Indonesian Archipelago are Asian has been the location of the colonial possessions of
15544-603: The threat of heatwaves across the entire continent. Heatwaves lead to increased mortality, and the demand for air conditioning is rapidly accelerating as the result. By 2080, around 1 billion people in the cities of South and Southeast Asia are expected to experience around a month of extreme heat every year. The impacts on water cycle are more complicated: already arid regions, primarily located in West Asia and Central Asia , will see more droughts , while areas of East , Southeast and South Asia which are already wet due to
15678-529: The top 5 being in Asia: Hong Kong, Singapore, Tokyo and Seoul . Around 68 percent of international firms have an office in Hong Kong. In the late 1990s and early 2000s, the economy of China had an average annual growth rate of more than 8%. According to economic historian Angus Maddison , India had the world's largest economy during 1000 BCE and 1 CE. India was the largest economy in the world for most of
15812-786: The tropics and Antarctica, which records the coldest temperature readings on the planet. In the Southern hemisphere, because of the stormy and cloudy conditions associated with extratropical cyclones riding the jet stream, it is usual to refer to the Westerlies as the Roaring Forties, Furious Fifties and Shrieking Sixties according to the varying degrees of latitude. The ocean was first mapped by Abraham Ortelius ; he called it Maris Pacifici following Ferdinand Magellan 's description of it as "a pacific sea" during his circumnavigation from 1519 to 1522. To Magellan, it seemed much more calm (pacific) than
15946-533: The two millennia from the 1st until 19th century, contributing 25% of the world's industrial output. China was the largest and most advanced economy on earth for much of recorded history and shared the mantle with India. For several decades in the late twentieth century Japan was the largest economy in Asia and second-largest of any single nation in the world, after surpassing the Soviet Union (measured in net material product) in 1990 and Germany in 1968. (NB: A number of supernational economies are larger, such as
16080-469: The various empires there (not all European). Lewis and Wigen assert, "The narrowing of 'Southeast Asia' to its present boundaries was thus a gradual process." The Bering Strait and Bering Sea separate the landmasses of Asia and North America , as well as forming the international boundary between Russia and the United States. This national and continental boundary separates the Diomede Islands in
16214-566: The west, and Drake Passage and the Strait of Magellan link the Pacific with the Atlantic Ocean on the east. To the north, the Bering Strait connects the Pacific with the Arctic Ocean . As the Pacific straddles the 180th meridian , the West Pacific (or western Pacific , near Asia) is in the Eastern Hemisphere , while the East Pacific (or eastern Pacific , near the Americas) is in
16348-581: The width of the Pacific with precision for the first time in history. One of the earliest voyages of scientific exploration was organized by Spain in the Malaspina Expedition of 1789–1794. It sailed vast areas of the Pacific, from Cape Horn to Alaska, Guam and the Philippines, New Zealand, Australia, and the South Pacific. Growing imperialism during the 19th century resulted in the occupation of much of Oceania by European powers, and later Japan and
16482-484: The world from 1 to 1800 CE. China was a major economic power for much of recorded history, with the highest GDP per capita until 1500. The Silk Road became the main east–west trading route in the Asian hinterlands while the Straits of Malacca stood as a major sea route. Asia has exhibited economic dynamism as well as robust population growth during the 20th century, but overall population growth has since fallen. Asia
16616-408: The world in terms of HDI improvement since 1970, is the only country on the "Top 10 Movers" list due to income rather than health or education achievements. Its per capita income increased a stunning 21-fold over the last four decades, also lifting hundreds of millions out of income poverty. Yet it was not among the region's top performers in improving school enrollment and life expectancy. Nepal ,
16750-434: The world's oceanic water, has been estimated at some 714 million cubic kilometers (171 million cubic miles). Surface water temperatures in the Pacific can vary from −1.4 °C (29.5 °F), the freezing point of seawater, in the poleward areas to about 30 °C (86 °F) near the equator. Salinity also varies latitudinally, reaching a maximum of 37 parts per thousand in the southeastern area. The water near
16884-467: The world's population. Asia shares the landmass of Eurasia with Europe , and of Afro-Eurasia with both Europe and Africa . In general terms, it is bounded on the east by the Pacific Ocean , on the south by the Indian Ocean , and on the north by the Arctic Ocean . The border of Asia with Europe is a historical and cultural construct , as there is no clear physical and geographical separation between them. A commonly accepted division places Asia to
17018-634: The world, which is in the "very high human development" category), followed by Singapore (9), Japan (19) and South Korea (22). Afghanistan (155) ranked lowest amongst Asian countries out of the 169 countries assessed. Asia is home to several language families and many language isolates . Most Asian countries have more than one language that is natively spoken. For instance, according to Ethnologue , more than 700 languages are spoken in Indonesia, more than 400 languages spoken in India, and more than 100 are spoken in
17152-509: Was historically defined by European academics. In Sweden, five years after Peter's death, in 1730 Philip Johan von Strahlenberg published a new atlas proposing the Ural Mountains as the border of Asia. Tatishchev announced that he had proposed the idea to von Strahlenberg. The latter had suggested the Emba River as the lower boundary. Over the next century various proposals were made until
17286-587: Was home to some of the world's earliest known civilizations, each of them developing around fertile river valleys. The civilizations in Mesopotamia , the Indus Valley and the Yellow River shared many similarities. These civilizations may well have exchanged technologies and ideas such as mathematics and the wheel . Other innovations, such as writing, seem to have been developed individually in each area. Cities, states and empires developed in these lowlands. The central steppe region had long been inhabited by horse-mounted nomads who could reach all areas of Asia from
17420-419: Was named after the wife of Prometheus , but that Lydians say it was named after Asies , son of Cotys, who passed the name on to a tribe at Sardis . In Greek mythology , "Asia" ( Ἀσία or Ἀσίη ) was the name of a " Nymph or Titan goddess of Lydia". The Iliad (attributed by the ancient Greeks to Homer ) mentions two Phrygians in the Trojan War named Asios (an adjective meaning "Asian"); and also
17554-418: Was responsible for the unstable and shifting conditions of the bar, which made crossing it hazardous for small boats. The southern training wall of the Gold Coast Seaway is the northern end of the Gold Coast Oceanway . The seaway is issued regular weather forecasts by the Bureau of Meteorology . Two rock walls to stabilise the position of the entrance were constructed. One million tonnes of imported rock
17688-442: Was the birthplace of most of the world's mainstream religions including Hinduism , Zoroastrianism , Judaism , Jainism , Buddhism , Confucianism , Taoism , Christianity , Islam , Sikhism , and many other religions. Asia varies greatly across and within its regions with regard to ethnic groups, cultures, environments, economics, historical ties, and government systems. It also has a mix of many different climates ranging from
17822-469: Was the first to show the Americas separating two distinct oceans. Later, the Diogo Ribeiro map of 1529 was the first to show the Pacific at about its proper size. (Inhabited dependent territories are denoted by the asterisk (*), with names of the corresponding sovereign states in round brackets. Associated states in the Realm of New Zealand are denoted by the hash sign (#).) Territories with no permanent civilian population. The Pacific Ocean has most of
17956-413: Was used. To reduce the entry of ocean swells the breakwater walls were aligned 15 degrees north of east and increasing the length of the southern wall. Models indicated that the western shores of the Broadwater would need further protection from waves. Wave Break Island was constructed from dredged material to act as a barrier. The channel is 250 metres wide. The mean depth is 11 m and it has
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