Island general. Jin Zuo Si "Wudu Fu": "Island Mianmiao, Zhou Zhu Feng-lung." Tang Li-dong, "Annan sent Yunqing Tour Master" poems: "Island sub-Asian countries, Galaxy of day." Qing Yao Nai, "the River "Poetry:" vertical and horizontal loss of islands, thousands of miles an empty bank of clouds. "Ba Jin" spring fall "12:" The whole island is full of the aroma of roses, I was enchanted. "
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四面环水的小块陆地
Small piece of land surrounded by water. Scattered in the ocean, lakes and rivers. Divided by the causes of continental island, Sea Island (a volcanic island, Coral Island), alluvial island. The world's largest island is Greenland. World islands total area of about 9.7 million square kilometers, accounting for 7% of the world's land area.
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Fast Facts
The global total of 50,000 islands over a total area of approximately 9.97 million square kilometers, almost the size of an area equivalent to the total global land area of about 1 / 15. From the geographical distribution of view, the world's seven continents are islands. Of which the largest islands in North America, reaching 4.1 million square kilometers, accounting for 20.37% area of the continent; Antarctica, the smallest island, only 70,000 square kilometers, accounting for only 0.5% of the continent area. South America's largest island is located in the southernmost tip of South America's Tierra del Fuego, Argentina and Chile to all area of 48,400 square kilometers; Antarctica is the largest island in the Alexandria Bellingshausen Sea Island, an area of 43200 square km. Island and the mainland standard is relative. Usually people put the Australian continent as the smallest continent, so Greenland has become the world's largest island.
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Causes
① land subsidence caused by crustal movement or sea level rise, some land and separated from the mainland into the island, such as China's Taiwan Island. ② the role of the submarine volcanic eruptions produced (mainly lava) deposited by or from secretions and the remains of coral reefs constitute a heap. The former, such as the Hawaiian Islands, most of the island, which like China Sea, the Nansha Islands. ③ from the rivers, lakes sediment deposited by, such as China's Chongming Island. What is the ocean in the formation of islands In the vastness of the ocean, spread over 50,000 islands, large and small, as many blocks of various shapes embedded in the bright lights of the emerald blue sea 1. What is the formation of these islands do? Some islands have been part of the mainland, due to crustal movement, between them and the mainland _set_tlement of the fracture zone, which became an island and the mainland across the sea, such as Taiwan, China Island, Hainan Island, Africa, Madagascar, etc., is one such form, and sometimes the mainland due to the role of global tension, can produce a large number of deep cracks in the material from deep underground squeeze in, the cracks gradually support open to form a new submarine, and those fragments of a continent split, it became the island from the mainland. Such as the world's largest island of Greenland is one such breakaway from the European continent. Sometimes the Earth's climate warming, snow melting, the entire increase in ocean water, sea-level rise, so the low-lying parts of continental margin will be flooded, then those who have not been submerged highlands, mountains became islands. Many islands in the Arctic Ocean is one such form. The island is known as continental island. There are many islands, the original is not land, they are submarine volcanic lava and debris piled up by the material in the seabed. Such as the Pacific in the Hawaiian Islands is a group of exposed volcanic formation in the sea. The islands are known as volcanic island. Living in the warm waters of the coral islands is also an active builder. Corals can continue to secrete a calcareous nature, hundreds of millions of coral polyps secrete their calcareous nature, together with the remains, forming a coral island. If most of the South China Sea islands are coral islands to the island. In addition, some islands in the river into the sea by river alluvial sediment entrainment, and is known as alluvial island, such as China's Chongming Island.
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World Top Ten Islands
(1) North America, Greenland: 2,175,000 sq km (2) Oceania Ilion Island (also known as the New Guinea Island): 785,000 sq km (3) Asia Kalimantan: 734,000 sq km (4) Africa Madagascar: 595,000 sq km (5) North America's Baffin Island: 507,000 sq km (6) Asia Sumatra: 434,000 sq km (7) Europe, Great Britain: 23 million square kilometers (8) Asia, Honshu Island: 22.7 million square kilometers (9) North America's Victoria Island: 215,000 sq km (10) North America Ellesmere Island: 20 million square kilometers The world's islands The world's leading more than 50 islands, located in the four oceans. Up in the Pacific Ocean islands, 19; the Atlantic 17, 9 of the Indian Ocean, Arctic Ocean in 5. One of the world's largest archipelago is located in the western Pacific Ocean of the original Malaysia, the size of the entire archipelago has more than 20,000 islands, belonging to Indonesia, Malaysia, Brunei, the Philippines, East Timor and other countries. 4500 km east to west, north to south and 3,500 km and the total area of 2,407,000 square kilometers. Island mountains and more rugged terrain; crustal instability, often earthquake volcanic eruption. Channel more in Southeast Asia to the world an important channel. In addition to the larger world outside Malaysia islands are: the Arctic Ocean in North America north of the Canadian Arctic Archipelago, an area of 1,300,000 sq km; in the Pacific waters of the western Japanese archipelago, an area of 377,500 square kilometers; in the Northeast Atlantic British Ministry of nine islands, an area of 325,000 square kilometers; located in the southwest Pacific, the Philippine Islands, an area of 299,700 square kilometers; located in the northwest Atlantic, the West Indies, an area of 240,000 square kilometers. The world's smallest islands are located in the northern part of the South Pacific Samoa Tokelau. It consists of three coral atolls, with an area only 10 square kilometers, can be called a "pocket Islands," the.
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China's island
China has a total size of the island more than 5,000 seats, total length of more than 14,000 km coastline of the island. More than 1000 square kilometers of area of the Big Island has 3; Taiwan Island, Hainan Island, Chongming Island. Its causes can be divided into three categories: Rock Island, the alluvial island, coral island. East China Sea islands, about 60% of the total, about 30% of the South China Sea, Yellow Sea and about 10%.
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Rock Island
Constitute the bedrock of the island from the Chinese island accounted for 90% of the total, they are affected by the new structural system to control China, mostly to the north-east to the form of islands or archipelago for a regular distribution. Taiwan Island and Hainan Island is the bedrock of China's two largest islands. Hainan Island Hainan Island area of 34,380 square kilometers, largest island in China 2. High around the low-lying central Hainan Island, water radially. Plain platform 65% of the total area, hilly 35%. Fingers peak elevation of 1867 meters. Hainan Island in the mid-Pleistocene and early separation of Leizhou Peninsula. Basalts are widely distributed in northern Hainan Island, and maintaining the integrity of the crater. Development of many of the typical coastal and lagoon sand bar harbor, bay mangrove growth. Other rock island located in the following several areas: ① Liaodong Peninsula coast. Changshan islands in the southeast coast of the Liaodong Peninsula, a total of more than 50 islands, can be divided into three island groups: the north fortress islands, including the fortress island and large and small Royal Island; Southwest for long island chains, including large and small length Island, Canton Kashima, etc.; south Foreign Minister Hill Islands, including Sea Island, Zhangzidao and so on. Greater Long Island where the largest island, the highest elevation of 388 meters. Constitute the bedrock for the long island chains Aurora - Cambrian strata. Constrained by the checkerboard structure, islands arranged in a certain pattern. In addition, the spread in the Liaodong Bay are also a number of small islands. ② Shandong Peninsula. Temple, home of the Bohai Strait Islands, a total of 30 islands, the island can be divided into three groups: a group of North Island and South Island and the north city dry moat, a small chin Island; in the island group has Tuoji Island, mountains Island; South the south island group, North Long Island, and large and small Montenegro Island, Temple Island. South of Long Island where the largest area of 20.4 square kilometers. Islands mainly constituted by the former Sinian metamorphic rocks, islands and the structural line orientation in line was NNE. In addition, the Shandong Peninsula as well Liugongdao, Tianheng and Mountain Island, and the development of some land tombolo, such as Zhifu Island. ③ coastal Zhejiang and Fujian. Zhoushan Islands, China's largest archipelago, from large and small total of 1,339 islands, of which the Zhoushan Island, the largest area of 472 square kilometers, is China's 4th largest island. Second, there are six latitudes Island, Zhujiajian Island, Putuo Island, Daishan Island and other islets Si. Islands, Zhejiang, Fujian and uplift for the extension to the sea, mainly by Mesozoic volcanic rocks. In addition to the Zhoushan Islands, Zhejiang coast, there are grasses and mountains, fish, mountains, and Nanji, Beiji Islands and so on. Mainly along the coast of Fujian Dongshan, Taishan, four □, Matsu Islands and white dog. Dongshan Island View map ④ South China coast. Wanshan Islands located in the Pearl River estuary, a total of more than 150 islands, mainly in Hong Kong Island, Gaolan Island and the upper and lower Kawashima, etc. and Tam Kon, mountains and other islands. The islands mainly by Mesozoic granite. In addition, there is the East China Sea South China coast, 硇 Island, WZ, sun and other islands scattered. ⑤ waters near Taiwan. Penghu Islands in the southern Taiwan Strait, a total of 64 islands, eight sub-channels cover it as southern and northern islands. North Island group has Penghu, Fisherman and the white sand islands, composed of Penghu Hong Kong; the Austronesian group of eight island hood, flowers Lantau Island, and so on. Penghu Islands, consisting of mainly basaltic volcanic island, the surrounding reefs garment development. The Diaoyu Islands is located about 100 nautical miles northeast of Taiwan, the Diaoyu Islands, Island yellow tail, red tail Island and so on. In addition, Green Island, Orchid Island, and so on.
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Alluvial island
Rivers into the sea, sediment accumulation often formed sand island near the mouth, or alluvial island. Chongming Island is located in Yangtze River estuary, an area of 1083 square kilometers, is China's 3rd largest island, is China's largest alluvial island. In the 7th century ago, the Yangtze River estuary to the East Sand and Sea appears, followed by sandbars wandering, Chongming Island is now in the 16th century on the basis of Changsha, to develop. 50 years since the 20th century, reinforced embankments, stability, potential collapse; while land reclamation, the Chongming Island area expanded by 80%. Chongming Island, Changxing south, is a group of former Milton Hengsha two sandbars, 100 years ago this was still a few scattered pieces of the estuary marshes, half of the 19th century began to reclaim the past three decades to build dams, artificial siltation, had become the status quo. Or by the mouth of the Pearl River Estuary Sand Island Beach development from the heart, or stop by the rock islands, the sand from its shelter. At first, wide inlet mouth of the Pearl River, sandbars spread and subsequently by the reclamation and siltation, narrow beam inlet, and gradually form inlet aspect of the Pearl River Delta. Milton continues to spread today, especially Wanqingsha, lanterns sand silting up the fastest. West Sand Island west coast of Taiwan Taiwan LTK and columns outside the Tsengwen River is a typical sand island sand spit from the mouth of development from the sand island. Milton discontinuous distribution, the inside of the lake and the land between the □. In addition, the Luan River, Yellow River and the Hanjiang River and other places have sand island distribution. Heixiazi Island, belongs to alluvial island.
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Coral island
The South China Sea in China among the South, there is such an island. They spread all over the boundless expanse of blue water among the distribution of the location from north to south into four island groups, respectively, groups known as East Sand Islands, the Zhongsha Islands and the Nansha Islands, the island group, also known as the South China Sea Islands habit. Among them, the East Sand Island from the mainland recently; Paracel Islands Center; in the south-east of Sand Island close to the Sea is a large atoll of underwater, surface exposed only Huangyan Island; Nansha Islands in the South home, the farthest away from the mainland. In addition to the high Xisha Chienshih Island, South China Sea Islands are coral islands.
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"Island" magazine
Introduction: "Islands" of the island from the United States travel guide magazine, describes the island's tourism and leisure related, from the Bora to the Caribbean, from Tahiti to Bali, the island is your gateway to the magazine is an extraordinary destination pass, fascinating Each issue it covers is a beautiful island novel pictures, fascinating local culture, local customs stunning excitement. Whether you intend to paradise surrounded by palm trees in Hawaii enjoying their later years, or intend to carry out the romantic Italian island air travel, you will find the island to make your dream journal in the island.
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There is a list of island countries
Most of the world by a state-controlled island, they either become an island country, or to become a larger part of the country. This is a list of the more rare, there is an island above the multiple countries. These islands are usually larger, some of them are also trapped in many countries because of international disputes. The current list Name the island country Borneo (Kalimantan) Brunei, Indonesia, Malaysia, the British island of Cyprus, Cyprus, Northern Cyprus, the island of Hispaniola (Haiti Island), Haiti, Dominica and Ireland Island, United Kingdom, Ireland Irian (New Guinea Island), Indonesia, Papua New Guinea, the Netherlands Antilles island of Saint Martin, France, Chile, Tierra del Fuego, Argentina Tingdi Wen Island, Indonesia, East Timor Wuseduomu Island, Germany, 波兰塞巴蒂 grams Island, Indonesia, Malaysia, China Heixiazi Island Russia Ma i. (Märket) Finland, Sweden border Kosei Island (Boundary Lake) United States, Canada ^ If the facts do not exist on the island of Cyprus government of Northern Cyprus as a country, Borneo is the world's only belong to the three islands. ^ Northern Cyprus has not been internationally recognized as a political entity; British possession of two small pieces of the British base area of Cyprus. ^ China's claim to sovereignty over the island has had the island, but the actual control of the island has been Russia, under the 2004 "People's Republic and the Russian Federation on the Eastern Section of the Supplementary Agreement between China and Russia," People give up Heixiazi Island East half of the sovereignty of the western half of Heixiazi Island to recover. History list This table lists only such modern island Name the island Sakhalin State Time (Sakhalin Island) Soviet Union, Japan 1905-1945 revival of the island, Kazakhstan, Uzbekistan, 1991-2000, Japan and Russia ^ originally co-owned Sakhalin. Revival of the island as the Aral Sea water ^ decreases as the peninsula, the peninsula is still there between the two countries
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Encyclopedia
Island island daoyu Island (island) than the mainland area is small and completely Land surrounded by water. Distribution in the ocean, lakes or rivers In. Ocean islands, as surrounded by water, formation and Geographical isolation of the independent activities of the mainland, islands can be Or a special administrative region. According to their geographic location and characteristics Sign with a different political, economic and military significance. The total area of the world, more than 970 islands million square kilometers, The world's total land area of about 1 / 15. Greenland surface Plot 2,175,600 square kilometers, is the world's largest island. Island Lantau Island by cause can be divided into continental, ocean islands and alluvial island 3 Class. ① continental island, is a similar geological structure or phase with the mainland Contact the island, has historically been a part of the continent, Since the fall of ground or sea level rise and separated from the mainland. The world's larger islands are mostly continental island, such as the Greenland Blue Island, New Guinea (Irian), Kalimantan And so on. Continental island near the mainland, generally higher ground, an area Large, fresh water sufficient to facilitate construction of naval and air bases. ② Ocean island with the mainland in the geological structure is not directly Contact, is exposed from the bottom of the ocean rising sea island, according to Causes can be divided into volcanic and coral islands. From the volcanic island Submarine volcanic eruptions of lava material deposited by a As small size, high altitude, steep mountains, the situation is dangerous To, easy to build fortifications, which will help camouflage, concealment and more benign Hong Kong, are often built naval base. Mainly in the volcanic island Central and western Pacific Ocean, the western Indian Ocean, Atlantic East Department. Coral Island Coral bodies piled up by the general surface Product smaller, low and flat, the lack of fresh water, ring the lagoon can be For ships and seaplane parking. Coral Island is mainly distributed In the south, latitude 20 "between the tropical shallow water areas to peace Yang is more concentrated. ③ alluvial island, mainly by river alluvium Piled up, low and flat, such as the mouth of the Yangtze in China Chong Ming Island. The world's oceans more groups of islands in the distribution. Each other Close proximity of many islands, collectively known as Islands, and some called out Island. Arranged in an arc of islands, said the island arc. Islands in the Pacific Painting Waglan southeast of Hong Kong Island Pacific distribution more. Between the Pacific and Indian Ocean Malaysia on the vast sea area (see Malaysia), a total of Has more than 20,000 islands, an area of 2,427,000 square kilometers, Is the world's largest archipelago. Scattered in the Pacific Central Polynesia, six seven thousand kilometers of vertical and horizontal, is the world Industry the most widely distributed islands. Conducive to adhere to the island in the military is not conducive to attack. However, when the defense vulnerable to blockade, siege. Island near the mainland Island, is the defense of the outpost islands, the mainland of the barrier, the sea Operations support, strategic counterattack and the pursuit of the enemy's advance Base. Occupation of the island as offensive jump landing Board. Strait islands, and often brief control of the flight paths to ground. Far from the mainland of the island to be built across the ocean navigation and communications Relay stations, such as the Pacific island of Oahu, Guam, half-way Island, Wake Island, Viti Levu and Tahiti, the Mid-Atlantic The Azores, the Indian Ocean island of Diego Garcia in the And other, often competing for the war, the opposing sides of the strategic location. World War II, to seize Midway Island for Japan For the forward base to protect the Japanese mainland and the south wing of the Japanese Side of safety, in June 1942 with U.S. forces in the vicinity of Midway Large-scale naval warfare. (Chun Tin House)
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