Suli or Senie Lake is a

lake A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much lar ...

in the western

Qarhan Playa The Qarhan Playa or also misleadingly described as , is a playa in the Golmud and Dulan counties of Haixi Prefecture, Qinghai, China. Formerly a single unitary lake, it is now an expansive salt flat divided into four greater sections ( D ...

north of

Golmud Golmud, also known by various other romanizations, is a county-level city in the Haixi Mongol and Tibetan Autonomous Prefecture of Qinghai Province, China. It is now the second-largest city in Qinghai and the third largest in the Tibetan Pl ...

in the

Haixi Prefecture Haixi Mongolian and Tibetan Autonomous Prefecture (; mn, ᠬᠠᠶᠢᠰᠢ ᠶᠢᠨ ᠮᠣᠩᠭᠣᠯ ᠲᠥᠪᠡᠳ ᠦᠨᠳᠦᠰᠦᠲᠡᠨ ᠦ ᠥᠪᠡᠷᠲᠡᠭᠡᠨ ᠵᠠᠰᠠᠬᠤ ᠵᠧᠦ; bo, མཚོ་ནུབ་� ...

Qinghai Province Qinghai (; alternately romanized as Tsinghai, Ch'inghai), also known as Kokonor, is a landlocked province in the northwest of the People's Republic of China. It is the fourth largest province of China by area and has the third smallest po ...

in northwestern China. It is fed from the west by the Urt Moron River. Like the other lakes of the surrounding

Qaidam Basin The Qaidam, Tsaidam, or Chaidamu Basin is a hyperarid basin that occupies a large part of Haixi Prefecture in Qinghai Province, China. The basin covers an area of approximately , one-fourth of which is covered by saline lakes and playas. Aroun ...

, it is extremely saline; like the other lakes of the surrounding Bieletan subbasin, it is rich in

lithium Lithium (from el, λίθος, lithos, lit=stone) is a chemical element with the symbol Li and atomic number 3. It is a soft, silvery-white alkali metal. Under standard conditions, it is the least dense metal and the least dense solid ...

. Its underlying salt has also trapped one of China's largest onshore

natural gas Natural gas (also called fossil gas or simply gas) is a naturally occurring mixture of gaseous hydrocarbons consisting primarily of methane in addition to various smaller amounts of other higher alkanes. Low levels of trace gases like carbon ...

fields.

Name

''Suli'' and ''Sheli'' are romanizations of the lake's Mongolian name, which derives from a word for "

temples A temple (from the Latin ) is a building reserved for spiritual rituals and activities such as prayer and sacrifice. Religions which erect temples include Christianity (whose temples are typically called churches), Hinduism (whose temples ...

" or "

sideburns Sideburns, sideboards, or side whiskers are facial hair grown on the sides of the face, extending from the hairline to run parallel to or beyond the ears. The term ''sideburns'' is a 19th-century corruption of the original ''burnsides'', named ...

". (Compare

Manchu The Manchus (; ) are a Tungusic East Asian ethnic group native to Manchuria in Northeast Asia. They are an officially recognized ethnic minority in China and the people from whom Manchuria derives its name. The Later Jin (1616–1636) and Q ...

, ''šulu''.) ''Senie'' is the

pinyin Hanyu Pinyin (), often shortened to just pinyin, is the official romanization system for Standard Mandarin Chinese in China, and to some extent, in Singapore and Malaysia. It is often used to teach Mandarin, normally written in Chinese fo ...

romanization Romanization or romanisation, in linguistics, is the conversion of text from a different writing system to the Roman (Latin) script, or a system for doing so. Methods of romanization include transliteration, for representing written text, an ...

of the

Mandarin Mandarin or The Mandarin may refer to: Language * Mandarin Chinese, branch of Chinese originally spoken in northern parts of the country ** Standard Chinese or Modern Standard Mandarin, the official language of China ** Taiwanese Mandarin, Stand ...

pronunciation of the name's

transcription Transcription refers to the process of converting sounds (voice, music etc.) into letters or musical notes, or producing a copy of something in another medium, including: Genetics * Transcription (biology), the copying of DNA into RNA, the fir ...

into

Chinese characters Chinese characters () are logograms developed for the writing of Chinese. In addition, they have been adapted to write other East Asian languages, and remain a key component of the Japanese writing system where they are known as '' kan ...

Geography

Suli Lake lies in the Bieletan subbasin at the western edge of the

at an elevation of . It is located north of South Suli Lake and northwest of

Dabiele Lake Dabiele Lake, also known by other names, is an ephemeral lake in the southwestern Qarhan Playa north of Golmud in the Haixi Prefecture of Qinghai Province in northwestern China. It is fed by the Tuolahai and Qingshui Rivers from the Kunlun Mount ...

. Its area varies from . It is fed from the west by the Urt Moron or Utumeiren ''Wūtúměirén Hé''). Its depth usually does not exceed .

Geology

Suli's position at the western end of the playa means that its waters are relatively less influenced by the concentrated

mineral spring Mineral springs are naturally occurring springs that produces hard water, water that contains dissolved minerals. Salts, sulfur compounds, and gases are among the substances that can be dissolved in the spring water during its passage unde ...

s along the playa's northern boundary. Its waters are also less saturated with

potassium Potassium is the chemical element with the symbol K (from Neo-Latin '' kalium'') and atomic number19. Potassium is a silvery-white metal that is soft enough to be cut with a knife with little force. Potassium metal reacts rapidly with atmosp ...

-rich

carnallite Carnallite (also carnalite) is an evaporite mineral, a hydrated potassium magnesium chloride with formula KMgCl3·6(H2O). It is variably colored yellow to white, reddish, and sometimes colorless or blue. It is usually massive to fibrous with rare ...

than other southern lakes, such as Tuanjie. However, the Bieletan subbasin as a wholeinclusive of S. Suli, Dabiele, and Xiaobieleis the richest source of

brine Brine is a high-concentration Solution (chemistry), solution of salt (NaCl) in water (H2O). In diverse contexts, ''brine'' may refer to the salt solutions ranging from about 3.5% (a typical concentration of seawater, on the lower end of that of ...

in China, with an estimated store of of

lithium chloride Lithium chloride is a chemical compound with the formula Li Cl. The salt is a typical ionic compound (with certain covalent characteristics), although the small size of the Li+ ion gives rise to properties not seen for other alkali metal chlori ...

. The lithium derives from

hot springs A hot spring, hydrothermal spring, or geothermal spring is a spring produced by the emergence of geothermally heated groundwater onto the surface of the Earth. The groundwater is heated either by shallow bodies of magma (molten rock) or by c ...

located near

Mount Buka Daban Mount is often used as part of the name of specific mountains, e.g. Mount Everest. Mount or Mounts may also refer to: Places * Mount, Cornwall, a village in Warleggan parish, England * Mount, Perranzabuloe, a hamlet in Perranzabuloe parish ...

which now feed the Narin Gol River or Hongshui River ''Hóngshuǐ Hé'') that flows into East Taijinar Lake. In the past, however, the springs lay within the "Kunlun"

paleolake A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much lar ...

which until about 30,000 years ago produced a river which flowed north into a broad

alluvial fan An alluvial fan is an accumulation of sediments that fans outwards from a concentrated source of sediments, such as a narrow canyon emerging from an escarpment. They are characteristic of mountainous terrain in arid to semiarid climates, but a ...

feeding the "Qarhan" paleolake in the Sanhu area. Bieletan's lithium came both from deposits directly flowing into the area at the time and continuing contributions from the Urt Moron and other rivers arising in and flowing through the former alluvial plain. North of Suli Lake, the Sebei-1 and Sebei-2 gas fields form China's 4th-largest onshore reserve of

, with production capacity of 4.95 billion cubic meters (175 billion cubic feet) per year. A pipeline connects it directly to

Xining Xining (; ), alternatively known as Sining, is the capital of Qinghai province in western China and the largest city on the Tibetan Plateau. The city was a commercial hub along the Northern Silk Road's Hexi Corridor for over 2000 years, and ...

and

Lanzhou Lanzhou (, ; ) is the capital and largest city of Gansu Province in Northwest China. Located on the banks of the Yellow River, it is a key regional transportation hub, connecting areas further west by rail to the eastern half of the country. H ...

History

During the

Neogene The Neogene ( ), informally Upper Tertiary or Late Tertiary, is a geologic period and system that spans 20.45 million years from the end of the Paleogene Period million years ago (Mya) to the beginning of the present Quaternary Period Mya. ...

, tectonic shifts made the bed of Suli Lake the lowest point of the Qaidam Basin, below its ridge. The nearby gas fields were first exploited in 1974.

Notes

References

Citations

Bibliography

* . * . * . * . * . * . * . * . * . * {{citation , last=Zheng , first=Mianping , author-mask=Zheng Mianping , title=An Introduction to Saline Lakes on the Qinghai–Tibet Plateau , url=https://books.google.com/books?id=hFz-CAAAQBAJ&pg=PP1 , publisher=Kluwer Academic Publishers , location=Dordrecht , date=1997 , isbn=9789401154581 . Lakes of China Lakes of Qinghai Haixi Mongol and Tibetan Autonomous Prefecture