South Hulsan Lake

South or Nan Hulsan Lake, also known by other names, is a lake northeast of Golmud in Dulan County, Haixi Prefecture, Qinghai Province, China. A part of the Qarhan Playa, it lies east of Tuanjie Lake and south of North Hulsan Lake. Like the other lakes of the surrounding Qaidam Basin, it is extremely saline.

South Hulsan Lake
The Qarhan Playa (1975), with South Hulsan in the southeast corner
South Hulsan Lake
LocationDulan County
Haixi Prefecture
Qinghai Province
China
Coordinates36°43′54″N 95°48′23.5″E
TypeEndorheic saline lake
Native name
  • 南霍布逊湖 (in Chinese)
  • ᠡᠮᠦᠨ᠎ᠡ ᠬᠤᠯᠤᠰᠤ ᠨᠠᠭᠤᠷ (in Mongolian)
Primary inflowsNuomuhong River
Suolinguole River
Basin countriesChina
Surface area33.41 km2 (12.90 sq mi)
Surface elevation2,675.6 m (8,780 ft)
South Hulsan Lake
South Huobuxun
Traditional Chinese南霍布遜湖
Simplified Chinese南霍布逊湖
South Huoluxun
Traditional Chinese南霍魯遜湖
Simplified Chinese南霍鲁逊湖
Literal meaningSouth Hulsan Lake
Mongolian name
Mongolian scriptᠡᠮᠦᠨ᠎ᠡ ᠬᠤᠯᠤᠰᠤ ᠨᠠᠭᠤᠷ

Name

Hulsan[1][2][3] or Hollusun Nor[4] is a romanization of a Mongolian name meaning "Reed Lake", from their former abundance in the area.[5] The adjective "south" distinguishes it from nearby North Hulsan Lake.[5] Huoluxun and Huobuxun[lower-alpha 1] are the pinyin romanizations of the Mandarin pronunciation of the same name's transcriptions into Chinese characters. Nan Hulsan or Nanhuobuxun[2] is the same name, prefixed with the Chinese word for "South".

Geography

South Hulsan Lake lies in the southern Hulsan subbasin[9] at the eastern edge of the Qarhan Playa in the southeastern corner of the Qaidam Basin[10][7] at an elevation of 2,675.6 m (8,780 ft).[11] It lies east of Tuanjie Lake and south of North Hulsan Lake.[9] It is fed from the east by the Nuomuhong (t 諾木洪河, s 诺木洪河, Nuòmùhóng Hé) and Sulinggele[12] or Suolinguole River.[13]

It usually has an area of 33.41 km2 (13 sq mi),[11] but it varies widely during and between years. It usually increases from the winter and spring floods and decreases during the summer and autumn. In 2014, it was as small as 11.33 km2 (4 sq mi) and as wide as 91.94 km2 (35 sq mi).[3] In the especially dry year of 2000, it was only 0.51 km2 (0.2 sq mi).[14] An inflow from the north by mineral springs in the playa's northern karst zone contribute a smaller volume of water[2] but its much higher solute concentration greatly affects the lake and its sediments.[15][16] In the area's hyperarid climate, there is generally only 28–40 mm (1–2 in) of annual rainfall but about 3,000 mm (120 in) of annual evaporation.[2] It is never more than about 1 m (3 ft 3 in) deep.[2]

History
Further information: Qaidam Basin § History

South Hulsan Lake has gained somewhat since the year 2000 as North Hulsan has shrunk in size to ephemeral status; this is thought to be related to the many salt pans constructed in recent years to harvest the lakes' sediment for potash.[14]

Photographs of the large salt pans beside South Hulsan taken by a member of Expedition 16 from the International Space Station (2007)
gollark: It would be really stupid to do so, from basically all perspectives.
gollark: And I won't negotiate with you on this, see.
gollark: As I said, you merely need to utilize an I-Q modulator to generate a 72THz phase-shft-modulated gamma ray beam.
gollark: Again, I do not negotiate with people within the set of real numbers.
gollark: I don't negotiate with people who are within the set of real numbers.

See also

Notes
  1. Misspelled as "Huobusun" in Spencer & al.,[6] Lowenstein & al.,[7] and others and as "Hobuxun" by Garrett.[8]

References

Citations
  1. Zheng (1997), p. 41.
  2. Yu & al. (2001), p. 62.
  3. Zhou & al. (2016), p. 4.
  4. Gross (1935).
  5. Jia (2019).
  6. Spencer & al. (1990), p. 399.
  7. Lowenstein & al. (2009), p. 75.
  8. Garrett (1996), p. 177.
  9. Du & al. (2018), pp. 2–3.
  10. Spencer & al. (1990), p. 396.
  11. Zheng (1997), p. 16
  12. Huang & al. (1997), p. 271.
  13. Du & al. (2018), p. 2.
  14. Zhou & al. (2016), p. 6.
  15. Spencer & al. (1990), pp. 398–399.
  16. Lowenstein & al. (2009), p. 78.

Bibliography
  • Du Yongsheng; et al. (April 2018), "Evalutation of Boron Isotopes in Halite as an Indicator of the Salinity of Qarhan Paleolake Water in the Eastern Qaidam Basin, Western China", Geoscience Frontiers, Vol. 10, No. 1, Beijing: China University of Geosciences, pp. 1–10, doi:10.1016/j.gsf.2018.02.016.
  • Garrett, Donald Everett (1996), Potash: Deposits, Processing, Properties, and Uses, London: Chapman & Hall.
  • Gross, Alexander (1935), "China and Adjacent States", Geographia Atlas of the World, New York: Geographia Map Co.
  • Huang Qi; et al. (1997), "Stable Isotopes Distribution in Core Ck6 and Variations of Paleoclimate over Qarhan Lake Region in Qaidam Basin, China", Chinese Journal of Oceanology and Limnology, Vol. 15, No. 3, Beijing: Science Press, pp. 271–278, doi:10.1007/BF02850884.
  • Jia Xiru (20 February 2019), "Qīnghǎi Měnggǔyǔ Dìmíng de Jǐge Tèsè 青海蒙古語地名的幾個特色 [Several Characteristics of Mongolian Placenames in Qinghai]", Xuěhuā Xīnwén 雪花新闻 [Snowflake News] (in Chinese).
  • Lowenstein, Timothy K.; et al. (2009), "Closed Basin Brine Evolution and the Influence of Ca–Cl Inflow Waters: Death Valley and Bristol Dry Lake, California, Qaidam Basin, China, and Salar de Atacama, Chile", Aquatic Geochemistry, Vol. 15, Springer, pp. 71–94, doi:10.1007/s10498-008-9046-z.
  • Spencer, Ronald James; et al. (1990), "Origin of Potash Salts and Brines in the Qaidam Basin, China" (PDF), Fluid-Mineral Interactions: A Tribute to H.P. Eugster, Special Publication No. 2, Geochemical Society.
  • Yu Ge; et al. (2001), Lake Status Records from China: Data Base Documentation (PDF), MPI-BGC Tech Rep, No. 4, Jena: Max Planck Institute for Biogeochemistry.
  • Zheng Mianping (1997), An Introduction to Saline Lakes on the Qinghai–Tibet Plateau, Dordrecht: Kluwer Academic Publishers.
  • Zhou Shilun; et al. (2016), "Spatial-Temporal Variations and Their Dynamics of the Saline Lakes in the Qaidam Basin over the Past 40 Years", Earth and Environmental Science, IOP Conference Series, Vol. 46, Bristol: IOP Publishing, doi:10.1088/1755-1315/46/1/012043.
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