1.
Southeast Asia
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Southeast Asia or Southeastern Asia is a subregion of Asia, consisting of the countries that are geographically south of China, east of India, west of New Guinea and north of Australia. The region lies near the intersection of geological plates, with seismic and volcanic activity. Southeast Asia consists of two regions, Mainland Southeast Asia, also known historically as Indochina, comprising Vietnam, Laos, Cambodia, Thailand, Myanmar. Maritime Southeast Asia, comprising Indonesia, East Malaysia, Singapore, Philippines, East Timor, Brunei, Cocos Islands, definitions of Southeast Asia vary, but most definitions include the area represented by the countries listed below. All of the states are members of the Association of Southeast Asian Nations, the area, together with part of South Asia, was widely known as the East Indies or simply the Indies until the 20th century. Sovereignty issues exist over some territories in the South China Sea, Papua New Guinea has stated that it might join ASEAN, and is currently an observer. Southeast Asia is geographically divided into two subregions, namely Mainland Southeast Asia and Maritime Southeast Asia, Mainland Southeast Asia includes, Maritime Southeast Asia includes, The Andaman and Nicobar Islands of India are geographically considered part of Southeast Asia. Eastern Bangladesh and the Seven Sister States of India are culturally part of Southeast Asia, the eastern half of Indonesia and East Timor are considered to be biogeographically part of Oceania. Homo sapiens reached the region by around 45,000 years ago, homo floresiensis also lived in the area up until 12,000 years ago, when they became extinct. Austronesian people, who form the majority of the population in Indonesia, Malaysia, Brunei, East Timor. Solheim and others have shown evidence for a Nusantao maritime trading network ranging from Vietnam to the rest of the archipelago as early as 5000 BC to 1 AD. The peoples of Southeast Asia, especially those of Austronesian descent, have been seafarers for thousands of years and their vessels, such as the vinta, were ocean-worthy. Magellans voyage records how much more manoeuvrable their vessels were, as compared to the European ships, Passage through the Indian Ocean aided the colonisation of Madagascar by the Austronesian people, as well as commerce between West Asia and Southeast Asia. Gold from Sumatra is thought to have reached as far west as Rome and this was later replaced by Hinduism. Theravada Buddhism soon followed in 525, in the 15th century, Islamic influences began to enter. This forced the last Hindu court in Indonesia to retreat to Bali, in Mainland Southeast Asia, Burma, Cambodia and Thailand retained the Theravada form of Buddhism, brought to them from Sri Lanka. This type of Buddhism was fused with the Hindu-influenced Khmer culture, very little is known about Southeast Asian religious beliefs and practices before the advent of Indian merchants and religious influences from the 2nd century BCE onwards. Prior to the 13th century CE, Hinduism and Buddhism were the religions in Southeast Asia
2.
Geographic coordinate system
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A geographic coordinate system is a coordinate system used in geography that enables every location on Earth to be specified by a set of numbers, letters or symbols. The coordinates are chosen such that one of the numbers represents a vertical position. A common choice of coordinates is latitude, longitude and elevation, to specify a location on a two-dimensional map requires a map projection. The invention of a coordinate system is generally credited to Eratosthenes of Cyrene. Ptolemy credited him with the adoption of longitude and latitude. Ptolemys 2nd-century Geography used the prime meridian but measured latitude from the equator instead. Mathematical cartography resumed in Europe following Maximus Planudes recovery of Ptolemys text a little before 1300, in 1884, the United States hosted the International Meridian Conference, attended by representatives from twenty-five nations. Twenty-two of them agreed to adopt the longitude of the Royal Observatory in Greenwich, the Dominican Republic voted against the motion, while France and Brazil abstained. France adopted Greenwich Mean Time in place of local determinations by the Paris Observatory in 1911, the latitude of a point on Earths surface is the angle between the equatorial plane and the straight line that passes through that point and through the center of the Earth. Lines joining points of the same latitude trace circles on the surface of Earth called parallels, as they are parallel to the equator, the north pole is 90° N, the south pole is 90° S. The 0° parallel of latitude is designated the equator, the plane of all geographic coordinate systems. The equator divides the globe into Northern and Southern Hemispheres, the longitude of a point on Earths surface is the angle east or west of a reference meridian to another meridian that passes through that point. All meridians are halves of great ellipses, which converge at the north and south poles, the prime meridian determines the proper Eastern and Western Hemispheres, although maps often divide these hemispheres further west in order to keep the Old World on a single side. The antipodal meridian of Greenwich is both 180°W and 180°E, the combination of these two components specifies the position of any location on the surface of Earth, without consideration of altitude or depth. The grid formed by lines of latitude and longitude is known as a graticule, the origin/zero point of this system is located in the Gulf of Guinea about 625 km south of Tema, Ghana. To completely specify a location of a feature on, in, or above Earth. Earth is not a sphere, but a shape approximating a biaxial ellipsoid. It is nearly spherical, but has an equatorial bulge making the radius at the equator about 0. 3% larger than the radius measured through the poles, the shorter axis approximately coincides with the axis of rotation
3.
Body of water
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A body of water or waterbody is any significant accumulation of water, generally on a planets surface. The term most often refers to oceans, seas, and lakes, a body of water does not have to be still or contained, Rivers, streams, canals, and other geographical features where water moves from one place to another are also considered bodies of water. Most are naturally occurring geographical features, but some are artificial, there are types that can be either. For example, most reservoirs are created by engineering dams, similarly, most harbors are naturally occurring bays, but some harbors have been created through construction. Bodies of water that are navigable are known as waterways, some bodies of water collect and move water, such as rivers and streams, and others primarily hold water, such as lakes and oceans. The term body of water can also refer to a reservoir of water held by a plant, note that there are some geographical features involving water that are not bodies of water, for example waterfalls, geysers and rapids. Arm of the sea - also sea arm, used to describe a sea loch, arroyo - a usually dry creek bed or gulch that temporarily fills with water after a heavy rain, or seasonally. Artificial lake or artificial pond - see reservoir or impoundment, barachois - a lagoon separated from the ocean by a sand bar. Bay - an area of water bordered by land on three sides, similar to, but smaller than a gulf, bayou - a slow-moving stream or a marshy lake. Bight - a large and often only slightly receding bay, or a bend in any geographical feature, billabong - see Oxbow lake, a pond or still body of water created when a river changes course and some water becomes trapped. Boil - see Seep Brook - a small stream, canal - an artificial waterway, usually connected to existing lakes, rivers, or oceans. Channel - the physical confine of a river, slough or ocean consisting of a bed. See also stream bed and strait, earth scientists generally use the term to describe a circular or round inlet with a narrow entrance, though colloquially the term is sometimes used to describe any sheltered bay. Basin - a region of land where water from rain or snowmelt drains downhill into another body of water, such as a river, lake, creek - an inlet of the sea, narrower than a cove. Delta - the location where a river flows into an ocean, sea, estuary, lake, distributary or distributary channel - a stream that branches off and flows away from a main stream channel. Draw - a usually dry creek bed or gulch that temporarily fills with water after a heavy rain, fjord - a submergent landform which has occurred due to glacial activity. Glacier - a large collection of ice or a river that moves slowly down a mountain. Glacial Pothole - see Kettle Gulf - a part of a lake or ocean that extends so that it is surrounded by land on three sides, similar to, but larger than a bay, headland - an area of water bordered by land on three sides
4.
Inflow (hydrology)
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In hydrology, the inflow of a body of water is the source of the water in the body of water. It can also refer to the volume of incoming water in unit time. All bodies of water have multiple inflows, but often, one inflow may predominate, however, in many cases, no single inflow will predominate and there will be multiple primary inflows. For a lake, the inflow may be a river or stream that flows into the lake. Inflow may also be, strictly speaking, not flows, but rather precipitation, inflow can also be used to refer to groundwater recharge. The dictionary definition of inflow at Wiktionary
5.
South China Sea
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The South China Sea is a marginal sea that is part of the Pacific Ocean, encompassing an area from the Karimata and Malacca Straits to the Strait of Taiwan of around 3,500,000 square kilometres. The areas importance largely results from one-third of the worlds shipping sailing through its waters, the sea and its mostly uninhabited islands are subject to competing claims of sovereignty by several countries. These claims are reflected in the variety of names used for the islands. South China Sea is the dominant term used in English for the sea, and this name is a result of early European interest in the sea as a route from Europe and South Asia to the trading opportunities of China. In the sixteenth century Portuguese sailors called it the China Sea, the International Hydrographic Organization refers to the sea as South China Sea. The Classic of Poetry, Zuo Zhuan, and Guoyu classics of the Spring and Autumn period also referred to the sea, Nan Hai, the South Sea, was one of the Four Seas of Chinese literature. There are three other seas, one for each of the four cardinal directions, during the Eastern Han dynasty, Chinas rulers called the Sea Zhang Hai. Fei Hai became popular during the Southern and Northern Dynasties period, usage of the current Chinese name, Nan Hai, became gradually widespread during the Qing Dynasty. In Southeast Asia it was called the Champa Sea or Sea of Cham. The majority of the sea came under Japanese naval control during World War II following the acquisition of many surrounding South East Asian territories in 1941. Japan calls the sea Minami Shina Kai South China Sea and this was written 南支那海 until 2004, when the Japanese Foreign Ministry and other departments switched the spelling 南シナ海, which has become the standard usage in Japan. In China, it is called the South Sea, 南海 Nánhǎi, in Malaysia, Indonesia and the Philippines, it was long called the South China Sea, with the part within Philippine territorial waters often called the Luzon Sea, Dagat Luzon, by the Philippines. However, following an escalation of the Spratly Islands dispute in 2011, a PAGASA spokesperson said that the sea to the east of the Philippines will continue to be called the Philippine Sea. In September 2012, Philippine President Benigno Aquino III signed Administrative Order No, states and territories with borders on the sea include, the Peoples Republic of China, the Republic of China, the Philippines, Malaysia, Brunei, Indonesia, Singapore, and Vietnam. Major rivers that flow into the South China Sea include the Pearl, Min, Jiulong, Red, Mekong, Rajang, Pahang, Pampanga, the International Hydrographic Organization defines the limits of the South China Sea as follows, On the South. From Fuki Kaku the North point of Formosa to Kiushan Tao on to the South point of Haitan Tao, the Mainland, the Southern limit of the Gulf of Thailand and the East coast of the Malay Peninsula. The sea lies above a drowned continental shelf, during recent ice ages global sea level was hundreds of metres lower, the South China Sea opened around 45 million years ago when the Dangerous Ground rifted away from southern China. Extension culminated in seafloor spreading around 30 million years ago, a process that propagated to the SW resulting in the V-shaped basin we see today, extension ceased around 17 million years ago
6.
Pacific Ocean
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The Pacific Ocean is the largest and deepest of the Earths oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean in the south and is bounded by Asia and Australia in the west, the Mariana Trench in the western North Pacific is the deepest point in the world, reaching a depth of 10,911 metres. Both the center of the Water Hemisphere and the Western Hemisphere are in the Pacific Ocean, the oceans current name was coined by Portuguese explorer Ferdinand Magellan during the Spanish circumnavigation of the world in 1521, as he encountered favourable winds on reaching the ocean. He called it Mar Pacífico, which in both Portuguese and Spanish means peaceful sea, important human migrations occurred in the Pacific in prehistoric times. Long-distance trade developed all along the coast from Mozambique to Japan, trade, and therefore knowledge, extended to the Indonesian islands but apparently not Australia. By at least 878 when there was a significant Islamic settlement in Canton much of trade was controlled by Arabs or Muslims. In 219 BC Xu Fu sailed out into the Pacific searching for the elixir of immortality, from 1404 to 1433 Zheng He led expeditions into the Indian Ocean. The east side of the ocean was discovered by Spanish explorer Vasco Núñez de Balboa in 1513 after his expedition crossed the Isthmus of Panama and he named it Mar del Sur because the ocean was to the south of the coast of the isthmus where he first observed the Pacific. Later, Portuguese explorer Ferdinand Magellan sailed the Pacific East to West on a Castilian expedition of world circumnavigation starting in 1519, Magellan called the ocean Pacífico 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 the eighteenth century, sailing around and east of the Moluccas, between 1525 and 1527, Portuguese expeditions discovered the Caroline Islands, the Aru Islands, and Papua New Guinea. In 1542–43 the Portuguese also reached Japan, in 1564, five Spanish ships consisting of 379 explorers crossed the ocean from Mexico led by Miguel López de Legazpi and sailed to the Philippines and Mariana Islands. 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 discovered Tuvalu, the Marquesas, the Cook Islands, the Solomon Islands, and the Admiralty Islands in the South Pacific. In the 16th and 17th century Spain considered the Pacific Ocean a Mare clausum—a sea closed to other naval powers, as the only known entrance from the Atlantic the Strait of Magellan was at times patrolled by fleets sent to prevent entrance of non-Spanish ships. On the western end of the Pacific Ocean the Dutch threatened the Spanish Philippines, Spain also sent expeditions to the Pacific Northwest reaching Vancouver Island in southern Canada, and Alaska. The French explored and settled Polynesia, and the British made three voyages with James Cook to the South Pacific and Australia, Hawaii, and the North American Pacific Northwest, 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 other European powers, and later, Japan, in Oceania, France got 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 managed to negotiate an incorporation of the island into Chile with native Rapanui in 1888, by occupying Easter Island, Chile joined the imperial nations
7.
Thai language
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Thai, also known as Siamese or Central Thai, is the national and official language of Thailand and the native language of the Thai people and the vast majority of Thai Chinese. Thai is a member of the Tai group of the Tai–Kadai language family, over half of the words in Thai are borrowed from Pali, Sanskrit and Old Khmer. It is a tonal and analytic language, Thai also has a complex orthography and relational markers. Spoken Thai is mutually intelligible with Laotian, Thai is the official language of Thailand, natively spoken by over 20 million people. Standard Thai is based on the register of the classes of Bangkok. In addition to Central Thai, Thailand is home to other related Tai languages, Isan, the language of the Isan region of Thailand, a collective term for the various Lao dialects spoken in Thailand that show some Siamese Thai influences, which is written with the Thai script. It is spoken by about 20 million people, Thais from both inside and outside the Isan region often simply call this variant Lao when speaking informally. Northern Thai, spoken by about 6 million in the independent kingdom of Lanna. Shares strong similarities with Lao to the point that in the past the Siamese Thais referred to it as Lao. Southern Thai, spoken by about 4.5 million Phu Thai, spoken by half a million around Nakhon Phanom Province. Phuan, spoken by 200,000 in central Thailand and Isan, Shan, spoken by about 100,000 in north-west Thailand along the border with the Shan States of Burma, and by 3.2 million in Burma. Lü, spoken by about 1,000,000 in northern Thailand, and 600,000 more in Sipsong Panna, Burma, nyaw language, spoken by 50,000 in Nakhon Phanom Province, Sakhon Nakhon Province, Udon Thani Province of Northeast Thailand. Song, spoken by about 30,000 in central and northern Thailand, Elegant or Formal Thai, official and written version, includes respectful terms of address, used in simplified form in newspapers. Rhetorical Thai, used for public speaking, religious Thai, used when discussing Buddhism or addressing monks. Royal Thai, influenced by Khmer, this is used when addressing members of the family or describing their activities. Most Thais can speak and understand all of these contexts, street and Elegant Thai are the basis of all conversations. Rhetorical, religious, and royal Thai are taught in schools as the national curriculum, many scholars believe that the Thai script is derived from the Khmer script, which is modeled after the Brahmic script from the Indic family. However, in appearance, Thai is closer to Thai Dam script, the language and its script are closely related to the Lao language and script
8.
International Hydrographic Organization
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The International Hydrographic Organization is the inter-governmental organisation representing hydrography. A principal aim of the IHO is to ensure that the seas, oceans. It does this through the setting of standards, the co-ordination of the endeavours of the worlds national hydrographic offices. The IHO enjoys observer status at the United Nations where it is the competent authority on hydrographic surveying. When referring to hydrography and nautical charting in Conventions and similar Instruments, it is the IHO standards, the IHO was established in 1921 as the International Hydrographic Bureau. The present name was adopted in 1970 as part of a new international Convention on the IHO adopted by the member nations. The former name International Hydrographic Bureau was retained to describe the IHO secretariat until 8 November 2016, there were substantial differences in hydrographic procedures charts, and publications. In 1889, an International Maritime Conference was held at Washington, D. C. similar proposals were made at the sessions of the International Congress of Navigation held at Saint Petersburg in 1908 and the International Maritime Conference held at Saint Petersburg in 1912. In 1919 the hydrographers of Great Britain and France cooperated in taking the steps to convene an international conference of hydrographers. London was selected as the most suitable place for this conference, and on 24 July 1919 and this is still the major purpose of the IHO. As a result of the conference, a permanent organization was formed, the IHB, now the IHO, began its activities in 1921 with 18 nations as members. The Principality of Monaco was selected as the seat of the organization as a result of the offer of Albert I, the IHO develops hydrographic and nautical charting standards. These standards are adopted and used by its 86 member countries and others in their surveys, nautical charts. Much has been done in the field of standardisation since the Bureau was founded, the IHO has encouraged the formation of Regional Hydrographic Commissions. Each RHC coordinates the national surveying and charting activities of countries within each region, the 15 RHCs plus the IHO Hydrographic Commission on Antarctica effectively cover the world. The IHO, in partnership with the Intergovernmental Oceanographic Commission, directs the General Bathymetric Chart of the Oceans programme, in 2010 the IHO introduced a new, contemporary hydrographic geospatial standard for modelling marine data and information, known as S-100. S-100 and any dependent product specifications are underpinned by an on-line registry accessible via the IHO website, S-100 is aligned with the ISO19100 series of geographic standards, thereby making it fully compatible with contemporary geospatial data standards. Because S-100 is based on ISO19100, it can be used by other providers for their maritime-related data
9.
Malay language
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Malay is a major language of the Austronesian family. It has a status in Brunei, Indonesia, Malaysia. As the Bahasa Kebangsaan or Bahasa Nasional of several states, Standard Malay has various official names, in Singapore and Brunei it is called Bahasa Melayu, in Malaysia, Bahasa Malaysia, and in Indonesia, Bahasa Indonesia and is designated the Bahasa Persatuan/Pemersatu. However, in areas of central to southern Sumatra where the language is indigenous, Indonesians refer to it as Bahasa Melayu and consider it one of their regional languages. There are also several Malay trade and creole languages which are based on a lingua franca derived from Classical Malay, as well as Macassar Malay, Malay historical linguists agree on the likelihood of the Malay homeland being in western Borneo stretching to the Bruneian coast. A form known as Proto-Malay language was spoken in Borneo at least by 1000 BCE and was, it has been argued, the ancestral language of all subsequent Malayan languages. The history of the Malay language can be divided into five periods, Old Malay, the Transitional Period, the Malacca Period, Late Modern Malay and it is not clear that Old Malay was actually the ancestor of Classical Malay, but this is thought to be quite possible. Old Malay was influenced by Sanskrit literary language of Classical India, Sanskrit loanwords can be found in Old Malay vocabulary. Batenburg on November 29,1920 at Kedukan Bukit, South Sumatra, on the banks of the Tatang and it is a small stone of 45 by 80 centimetres. The earliest surviving manuscript in Malay is the Tanjong Tanah Law in post-Pallava letters and this 14th-century pre-Islamic legal text produced in the Adityawarman era of Dharmasraya, a Hindu-Buddhist kingdom that arose after the end of Srivijayan rule in Sumatra. The laws were for the Minangkabau people, who still live in the highlands of Sumatra. The Malay language came into use as the lingua franca of the Malacca Sultanate. During this period, the Malay language developed rapidly under the influence of Islamic literature, the development changed the nature of the language with massive infusion of Arabic, Malayalam and Sanskrit vocabularies, called Classical Malay. Under the Sultanate of Malacca the language evolved into a form recognisable to speakers of modern Malay, however, there is no connection between Malaccan Malay as used on Riau and the Riau vernacular. One of the oldest surviving letters written in Malay is a letter from Sultan Abu Hayat of Ternate, Maluku Islands in present-day Indonesia, the letter is addressed to the king of Portugal, following contact with Portuguese explorer Francisco Serrão. The letters show sign of non-native usage, the Ternateans used the unrelated Ternate language, Malay was used solely as a lingua franca for inter-ethnic communications. Malay is a member of the Austronesian family of languages, which includes languages from Southeast Asia, malagasy, a geographic outlier spoken in Madagascar in the Indian Ocean, is also a member of this language family. Although each language of the family is mutually unintelligible, their similarities are rather striking, many roots have come virtually unchanged from their common ancestor, Proto-Austronesian language
listen), "Thai Gulf") and "Gulf of Thailand" has been adopted as the official name of the body by the International Hydrographic Organization.[5][when?] Its name in Malay and Khmer continues to be the "Gulf of Siam", Teluk Siam and Khmer: ឈូងសមុទ្រសៀម, Chhoung Samut Siem, respectively. In Thai, the gulf is historically known as Ao Sayam (Thai: อ่าวสยาม).[6] In Vietnamese it is known as Vịnh Thái Lan.
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