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South China Sea
The northeastern portion of the South China Sea
Chinese name
Simplified Chinese	南海
Traditional Chinese	南海
Hanyu Pinyin	Nán Hǎi
Literal meaning	South Sea
Transcriptions Standard Mandarin Hanyu Pinyin Nán Hǎi Bopomofo ㄋㄢˊ ㄏㄞˇ Wade–Giles Nan2 Hai3 IPA [nǎn xài] Wu Romanization noe平 he上 Hakka Romanization nam11 hoi31 Yue: Cantonese Jyutping naam4 hoi2 Southern Min Hokkien POJ lâm-hái Hainanese Romanization nâm-hái
Alternative Chinese name
Simplified Chinese	南中国海
Traditional Chinese	南中國海
Hanyu Pinyin	Nán Zhōngguó Hǎi
Literal meaning	South China Sea
Transcriptions Standard Mandarin Hanyu Pinyin Nán Zhōngguó Hǎi Bopomofo ㄋㄢˊ ㄓㄨㄥ ㄍㄨㄛˊ ㄏㄞˇ Wade–Giles Nan2 Chung1-kuo2 Hai3 IPA [nǎn ʈʂʊ́ŋkwǒ xài] Wu Romanization noe平 tson平 koh入 he上 Hakka Romanization nam11 dung24 gued2 hoi31 Yue: Cantonese Jyutping naam4 zung1 gwok3 hoi2 Southern Min Hokkien POJ lâm tiong-kok hái Hainanese Romanization nâm tieng-kuōk hái
Vietnamese name
Vietnamese	Biển Đông
Chữ Nôm	匾東
Literal meaning	East Sea
Thai name
Thai	ทะเลจีนใต้  [tʰā.lēː t͡ɕīːn tâ(ː)j] (South China Sea)
RTGS	Thale Chin Tai
Japanese name
Kanji	南支那海 or 南シナ海 (literally "South Shina Sea")
Kana	みなみシナかい
Transcriptions Romanization Minami Shina Kai
Malay name
Malay	Laut Cina Selatan (South China Sea)
Indonesian name
Indonesian	Laut Cina Selatan / Laut Tiongkok Selatan (South China Sea) Laut Natuna Utara (North Natuna Sea)[1]
Filipino name
Tagalog	Dagat Kanluran ng Pilipinas (West Philippine Sea) Dagat Luzon (Luzon Sea)
Portuguese name
Portuguese	Mar da China Meridional (South China Sea)
Alternative English name
Alternative English	West Philippine Sea (Philippine official government use; Claimed Philippine EEZ only)[2]

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 (1,400,000 sq mi). The sea carries tremendous strategic importance; one-third of the world's shipping passes through it carrying over $3 trillion in trade each year,^[3] it contains lucrative fisheries that are crucial for the food security of millions in Southeast Asia, and huge oil and gas reserves are believed to lie beneath its seabed.^[4]

According to International Hydrographic Organization (IHO) Limits of Oceans and Seas, 3rd edition (1953), it is located^[5]

• south of China;


• east of Vietnam;


• west of the Philippines;


• east of the Malay Peninsula and Sumatra, up to the Strait of Singapore in the western, and


• north of the Bangka Belitung Islands and Borneo
  

However, in its unapproved draft 4th edition (1986),^[6] IHO proposed the Natuna Sea, thus the South China Sea southern boundary was shifted northward, from north of the Bangka Belitung Islands to

• north and northeast of Natuna Islands.^[7]

The minute South China Sea Islands, collectively an archipelago, number in the hundreds. The sea and its mostly uninhabited islands are subject to competing claims of sovereignty by several countries. These claims are also reflected in the variety of names used for the islands and the sea.

Names

South China Sea is the dominant term used in English for the sea, and the name in most European languages is equivalent. 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 (Mare da China); later needs to differentiate it from nearby bodies of water led to calling it the South China Sea.^[8] The International Hydrographic Organization refers to the sea as "South China Sea (Nan Hai)".^[5]

The Yizhoushu, which was a chronicle of the Western Zhou dynasty (1046–771 BCE) gives the first Chinese name for the South China Sea as Nanfang Hai (Chinese: 南方海; pinyin: Nánfāng Hǎi; literally: "Southern Sea"), claiming that barbarians from that sea gave tributes of hawksbill sea turtles to the Zhou rulers.^[9] The Classic of Poetry, Zuo Zhuan, and Guoyu classics of the Spring and Autumn period (771–476 BCE) also referred to the sea, but by the name Nan Hai (Chinese: 南海; pinyin: Nán Hǎi; literally: "South Sea") in reference to the State of Chu's expeditions there.^[9] 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.^[10] During the Eastern Han dynasty (23–220 CE), China's rulers called the Sea Zhang Hai (Chinese: 漲海; pinyin: Zhǎng Hǎi; literally: "distended sea").^[9]Fei Hai (Chinese: 沸海; pinyin: Fèi Hǎi; literally: "boil sea") became popular during the Southern and Northern Dynasties period. Usage of the current Chinese name, Nan Hai (South Sea), became gradually widespread during the Qing Dynasty.^[11]

In Southeast Asia it was once called the Champa Sea or Sea of Cham, after the maritime kingdom of Champa that flourished there before the sixteenth century.^[12] The majority of the sea came under Japanese naval control during World War II following the military acquisition of many surrounding South East Asian territories in 1941. Japan calls the sea Minami Shina Kai "South China Sea". This was written 南支那海 until 2004, when the Japanese Foreign Ministry and other departments switched the spelling to 南シナ海, which has become the standard usage in Japan.

In China, it is called the "South Sea", 南海 Nánhǎi, and in Vietnam the "East Sea", Biển Đông.^[13][14][15] In Malaysia, Indonesia and the Philippines, it was long called the "South China Sea" (Dagat Timog Tsina in Tagalog, Laut China Selatan in Malay), with the part within Philippine territorial waters often called the "Luzon Sea", Dagat Luzon, by the Philippines.^[16] However, following an escalation of the Spratly Islands dispute in 2011, various Philippine government agencies started using the name "West Philippine Sea". A Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) spokesperson said that the sea to the east of the Philippines will continue to be called the Philippine Sea.^[17]

In September 2012, Philippine President Benigno Aquino III signed Administrative Order No. 29, mandating that all government agencies use the name "West Philippine Sea" to refer to the parts of the South China Sea within the Philippines' exclusive economic zone, including the Luzon Sea as well as the waters around, within and adjacent to the Kalayaan Island Group and Bajo de Masinloc, and tasked the National Mapping and Resource Information Authority (NAMRIA) to use the name in official maps.^[18][19]

In July 2017, to assert its sovereignty, Indonesia renamed the northern reaches of its exclusive economic zone in the South China Sea as the "North Natuna Sea", which is located north of the Indonesian Natuna Islands, bordering the southern Vietnam exclusive economic zone, corresponding to the southern end of the South China Sea.^[20] The "Natuna Sea" is located south of Natuna Island within Indonesian territorial waters.^[21] Therefore, Indonesia has named two seas that are portions of the South China Sea; the Natuna Sea located between Natuna Islands and the Lingga and Tambelan Archipelagos, and the North Natuna Sea located between the Natuna Islands and Cape Cà Mau on the southern tip of the Mekong Delta in Vietnam.

Geography

States and territories with borders on the sea (clockwise from north) include: the People's Republic of China, Republic of China (Taiwan), 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, and Pasig Rivers.

Extent

The International Hydrographic Organization in its Limits of Oceans and Seas, 3rd edition (1953), defines the limits of the South China Sea as follows:^[5]

On the South. The Eastern and Southern limits of Singapore and Malacca Straits [A line joining Tanjong Datok, the Southeast point of Johore (1°22′N 104°17′E / 1.367°N 104.283°E / 1.367; 104.283) through Horsburgh Reef to Pulo Koko, the Northeastern extreme of Bintan Island (1°13.5′N 104°35′E / 1.2250°N 104.583°E / 1.2250; 104.583). The Northeastern coast of Sumatra] as far West as Tanjong Kedabu (1°06′N 102°58′E / 1.100°N 102.967°E / 1.100; 102.967) down the East coast of Sumatra to Lucipara Point (3°14′S 106°05′E / 3.233°S 106.083°E / -3.233; 106.083) thence to Tanjong Nanka, the Southwest extremity of Banka Island, through this island to Tanjong Berikat the Eastern point (2°34′S 106°51′E / 2.567°S 106.850°E / -2.567; 106.850), on to Tanjong Djemang (2°36′S 107°37′E / 2.600°S 107.617°E / -2.600; 107.617) in Billiton, along the North coast of this island to Tanjong Boeroeng Mandi (2°46′S 108°16′E / 2.767°S 108.267°E / -2.767; 108.267) and thence a line to Tanjong Sambar (3°00′S 110°19′E / 3.000°S 110.317°E / -3.000; 110.317) the Southwest extreme of Borneo.

On the East. From Tanjong Sambar through the West coast of Borneo to Tanjong Sampanmangio, the North point, thence a line to West points of Balabac and Secam Reefs, on to the West point of Bancalan Island and to Cape Buliluyan, the Southwest point of Palawan, through this island to Cabuli Point, the Northern point thereof, thence to the Northwest point of Busuanga and to Cape Calavite in the island of Mindoro, to the Northwest point of Lubang Island and to Point Fuego (14°08'N) in Luzon Island, through this island to Cape Engano, the Northeast point of Luzon, along a line joining this cape with the East point of Balintang Island (20°N) and to the East point of Y'Ami Island (21°05'N) thence to Garan Bi, the Southern point of Taiwan (Formosa), through this island to Santyo (25°N) its North Eastern Point.

On the North. From Fuki Kaku the North point of Formosa to Kiushan Tao (Turnabout Island) on to the South point of Haitan Tao (25°25'N) and thence Westward on the parallel of 25°24' North to the coast of Fukien.

On the West. The Mainland, the Southern limit of the Gulf of Thailand and the East coast of the Malay Peninsula.

However, in a revised edition of Limits of Oceans and Seas, 4th edition (1986), the International Hydrographic Organization officially recognized the Natuna Sea. Thus the southern limit of South China Sea is revised from the Bangka Belitung Islands to the Natuna Islands.^[7]

Geology

Sunset on the South China Sea off Mũi Né village on the south-east coast of Vietnam

The sea lies above a drowned continental shelf; during recent ice ages global sea level was hundreds of metres lower, and Borneo was part of the Asian mainland.

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.^[22] Arguments have continued about the role of tectonic extrusion in forming the basin. Paul Tapponnier and colleagues have argued that as India collides with Asia it pushes Indochina to the SE. The relative shear between Indochina and China caused the South China Sea to open.^[23] This view is disputed by geologists^[who?] who do not consider Indochina to have moved far relative to mainland Asia. Marine geophysical studies in the Gulf of Tonkin by Peter Clift has shown that the Red River Fault was active and causing basin formation at least by 37 million years ago in the NW South China Sea, consistent with extrusion playing a part in the formation of the sea. Since opening the South China Sea has been the repository of large sediment volumes delivered by the Mekong River, Red River and Pearl River. Several of these deltas are rich in oil and gas deposits.

Islands and seamounts

The South China Sea contains over 250 small islands, atolls, cays, shoals, reefs, and sandbars, most of which have no indigenous people, many of which are naturally under water at high tide, and some of which are permanently submerged. The features are grouped into three archipelagos (listed by area size), Macclesfield Bank and Scarborough Shoal:

South China Sea

• The Spratly Islands
  


• The Paracel Islands
  


• The Pratas Islands
  


• The Macclesfield Bank
  


• The Scarborough Shoal
  

The Spratly Islands spread over an 810 by 900 km area covering some 175 identified insular features, the largest being Taiping Island (Itu Aba) at just over 1.3 km long and with its highest elevation at 3.8 metres.

The largest singular feature in the area of the Spratly Islands is a 100 km wide seamount called Reed Tablemount, also known as Reed Bank, in the northeast of the group, separated from Palawan Island of the Philippines by the Palawan Trench. Now completely submerged, with a depth of 20 m, it was an island until it sank about 7,000 years ago due to the increasing sea level after the last ice age. With an area of 8,866 km², it is one of the largest submerged atoll structures in the world.

Resources

Millions of barrels of crude oil are traded through the South China Sea each day

The South China Sea is an extremely significant body of water in a geopolitical sense. It is the second most used sea lane in the world, while in terms of world annual merchant fleet tonnage, over 50% passes through the Strait of Malacca, the Sunda Strait, and the Lombok Strait. Over 1.6 million m³ (10 million barrels) of crude oil a day are shipped through the Strait of Malacca, where there are regular reports of piracy, but much less frequently than before the mid-20th century.

The region has proven oil reserves of around 1.2 km³ (7.7 billion barrels), with an estimate of 4.5 km³ (28 billion barrels) in total. Natural gas reserves are estimated to total around 7,500 km³ (266 trillion cubic feet). A 2013 report by the U.S. Energy Information Administration raised the total estimated oil reserves to 11 billion barrels.^[24] In 2014 China began to drill for oil in waters disputed with Vietnam.^[25]

According to studies made by the Department of Environment and Natural Resources, Philippines, this body of water holds one third of the entire world's marine biodiversity, thereby making it a very important area for the ecosystem. However the fish stocks in the area are depleted, and countries are using fishing bans as a means of asserting their sovereignty claims.^[26]

Indonesia's maritime waters have been breached by fishing fleets from Vietnam and the Philippines leading to said ships being seized and sunk by Indonesian authorities.^[27]

China announced in May 2017 a breakthrough for mining methane clathrates, when they extracted methane from hydrates in the South China Sea.^[28][29]

Territorial claims

Territorial claims in the South China Sea

Map of various countries occupying the Spratly Islands

Several countries have made competing territorial claims over the South China Sea. Such disputes have been regarded as Asia's most potentially dangerous point of conflict.
Both People's Republic of China (PRC) and the Republic of China (ROC, commonly known as Taiwan) claim almost the entire body as their own, demarcating their claims within what is known as the nine-dotted line, which claims overlap with virtually every other country in the region. Competing claims include:

• Indonesia, China, and Taiwan over waters NE of the Natuna Islands
  


• The Philippines, China, and Taiwan over Scarborough Shoal.


• Vietnam, China, and Taiwan over waters west of the Spratly Islands. Some or all of the islands themselves are also disputed between Vietnam, China, Taiwan, Brunei, Malaysia, and the Philippines.


• The Paracel Islands are disputed between the China, Taiwan and Vietnam.


• Malaysia, Cambodia, Thailand and Vietnam over areas in the Gulf of Thailand.


• Singapore and Malaysia along the Strait of Johore and the Strait of Singapore.

China and Vietnam have both been vigorous in prosecuting their claims. China (various governments) and South Vietnam each controlled part of the Paracel Islands before 1974. A brief conflict in 1974 resulted in 18 Chinese and 53 Vietnamese deaths, and China has controlled the whole of Paracel since then. The Spratly Islands have been the site of a naval clash, in which over 70 Vietnamese sailors were killed just south of Chigua Reef in March 1988. Disputing claimants regularly report clashes between naval vessels.^{[citation needed]}

ASEAN in general, and Malaysia in particular, have been keen to ensure that the territorial disputes within the South China Sea do not escalate into armed conflict. As such, Joint Development Authorities have been set up in areas of overlapping claims to jointly develop the area and divide the profits equally without settling the issue of sovereignty over the area. This is true particularly in the Gulf of Thailand. Generally, China has preferred to resolve competing claims bilaterally,^[30] while some ASEAN countries prefer multilateral talks,^[31] believing that they are disadvantaged in bilateral negotiations with the much larger China and that because many countries claim the same territory only multilateral talks could effectively resolve the competing claims.^[32]

The overlapping claims over Pedra Branca or Pulau Batu Putih including the neighboring Middle Rocks by both Singapore and Malaysia were settled in 2008 by the International Court of Justice, awarding Pedra Branca/Pulau Batu Puteh to Singapore and the Middle Rocks to Malaysia.

In July 2010, US Secretary of State Hillary Clinton called for China to resolve the territorial dispute. China responded by demanding the US keep out of the issue. This came at a time when both countries had been engaging in naval exercises in a show of force to the opposing side, which increased tensions in the region.^{[citation needed]} The US Department of Defense released a statement on August 18 where it opposed the use of force to resolve the dispute, and accused China of assertive behaviour.^{[citation needed]}
On July 22, 2011, one of India's amphibious assault vessels, the INS Airavat which was on a friendly visit to Vietnam, was reportedly contacted at a distance of 45 nautical miles from the Vietnamese coast in the disputed South China Sea on an open radio channel by a vessel identifying itself as the Chinese Navy and stating that the ship was entering Chinese waters.^[33][34] The spokesperson for the Indian Navy clarified that as no ship or aircraft was visible from INS Airavat it proceeded on her onward journey as scheduled. The Indian Navy further clarified that "[t]here was no confrontation involving the INS Airavat. India supports freedom of navigation in international waters, including in the South China Sea, and the right of passage in accordance with accepted principles of international law. These principles should be respected by all."^[33]

In September 2011, shortly after China and Vietnam had signed an agreement seeking to contain a dispute over the South China Sea, India's state-run explorer, Oil and Natural Gas Corporation (ONGC) said that its overseas investment arm ONGC Videsh Limited had signed a three-year deal with PetroVietnam for developing long-term cooperation in the oil sector^[35] and that it had accepted Vietnam's offer of exploration in certain specified blocks in the South China Sea.^[36] In response, Chinese Foreign Ministry spokesperson Jiang Yu issued a protest.^[37][38] The spokesman of the Ministry of External Affairs of the Government of India responded by saying that “The Chinese had concerns but we are going by what the Vietnamese authorities have told us and have conveyed this to the Chinese.”^[37] The Indo-Vietnamese deal was also denounced by the Chinese state-run newspaper Global Times.^[36][38]

Subi Reef being built by China and transformed into an artificial island, 2015

In 1999, Taiwan claimed the entirety of the South China Sea islands under the Lee Teng-hui administration.^[39] The entire subsoil, seabed and waters of the Paracels and Spratlys are claimed by Taiwan.^[40]

In 2012 and 2013, Vietnam and Taiwan butted heads against each other over anti-Vietnamese military exercises by Taiwan.^[41]

In May 2014, China established an oil rig near the Paracel Islands, leading to multiple incidents between Vietnamese and Chinese ships.^[42][43]

In 2017, analysts expect the US, under Donald Trump's administration, to take a more aggressive stance against China in the South China Sea.^[44]

2016 ruling

In January 2013, the Philippines formally initiated arbitration proceedings against China's claim on the territories within the "Nine-Dash Line" that includes the Spratly Islands, which it said is unlawful under the United Nations Convention on the Law of the Sea (UNCLOS).^[45][46] On July 12, 2016, the arbitral tribunal backed the Philippines, saying that there was no evidence that China had historically exercised exclusive control over the waters or resources, hence there was "no legal basis for China to claim historic rights" over the nine-dash line.^[47][48] The tribunal also criticized China's land reclamation projects and its construction of artificial islands in the Spratly Islands, saying that it had caused "severe harm to the coral reef environment".^[49] It also characterized Taiping Island and other features of the Spratly Islands as "rocks" under UNCLOS, and therefore are not entitled to a 200 nautical mile exclusive economic zone.^[50] China however rejected the ruling, calling it "ill-founded".^[51] Taiwan, which currently administers Taiping Island, the largest of the Spratly Islands, also rejected the ruling.^[52]

See also

• 
  South China Sea portal
  


• East China Sea

References

Further reading

• 
  Beckman, Robert et al. (eds.) (2013). Beyond Territorial Disputes in the South China Sea: Legal Frameworks for the Joint Development of Hydrocarbon Resources. Edward Elgar. ISBN 978 1 78195 593 2.CS1 maint: Extra text: authors list (link)
  


• Francois-Xavier Bonnet, Geopolitics of Scarborough Shoal, Irasec Discussion Paper 14, November 2012


• C. Michael Hogan (2011) South China Sea Topic ed. P. Saundry. Ed.-in-chief C.J. Cleveland. Encyclopedia of Earth. National Council for Science and the Environment. Washington DC
  


• Clive Schofield et al., From Disputed Waters to Seas of Opportunity: Overcoming Barriers to Maritime Cooperation in East and Southeast Asia (July 2011)


• UNEP (2007). Review of the Legal Aspects of Environmental Management in the South China Sea and Gulf of Thailand. UNEP/GEF/SCS Technical Publication No. 9.


• Wang, Gungwu (2003). The Nanhai Trade: Early Chinese Trade in the South China Sea. Marshall Cavendish International.
  ISBN 9789812102416.


• Keyan Zou (2005). Law of the sea in East Asia: issues and prospects. London/New York: Rutledge Curzon.
  ISBN 0-415-35074-3
  


• United States. Congress. (2014). Maritime Sovereignty in the East and South China Seas: Joint Hearing before the Subcommittee on Seapower and Projection Forces of the Committee on Armed Services Meeting Jointly with the Subcommittee on Asia and the Pacific of the Committee on Foreign Affairs (Serial No. 113-137), House of Representatives, One Hundred Thirteenth Congress, Second Session, Hearing held January 14, 2014
  

External links

Wikimedia Commons has media related to South China Sea.

Wikinews has news related to: South China Sea

• 
  ASEAN and the South China Sea: Deepening Divisions Q&A with Ian J. Storey (July 2012)


• 
  Rising Tensions in the South China Sea, June 2011 Q&A with Ian J. Storey


• 
  News collections on The South China Sea on China Digital Times
  


• 
  The South China Sea on Google Earth - featured on Google Earth's Official Blog


• 
  South China Sea Virtual Library - online resource for students, scholars and policy-makers interested in South China Sea regional development, environment, and security issues.


• Energy Information Administration - The South China Sea


• Tropical Research and Conservation Centre - The South China Sea


• Weekly Piracy Report


• Reversing Environmental Degradation Trends in the South China Sea and Gulf of Thailand


• UNEP/GEF South China Sea Knowledge Documents


• 
  Audio Radio communication between United States Navy Boeing P-8A Poseidon aircraft operating under international law and the Chinese Navy warnings.

Coordinates: 12°N 113°E / 12°N 113°E / 12; 113