Dabiele Lake

Dabiele Lake, also known by other names, is an ephemerallake 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 Mountains to the south. Like the other lakes of the surrounding Qaidam Basin, it is extremely saline; like the other lakes in the Bieletan subbasin, it is rich in lithium.

Dabiele Lake

The Sanhu Depression in 2014 with Dabiele in the south, between Suli and Dabusun Lakes (ESA)

Dabiele Lake
Location Golmud County
Haixi Prefecture
Qinghai Province
China
Coordinates

36°54′20″N94°23′28″E

Type Endorheicsaline lake
Native name 大别勒湖  (Chinese)
Primary inflows Tuolahai River
Qingshui River
Basin countries China
Surface area 0–7.38 km2 (0.00–2.85 sq mi)
Surface elevation 2,676.6 m (8,781 ft)
Dabiele Lake
Traditional Chinese 大別勒
Simplified Chinese 大别勒
Transcriptions
Standard Mandarin
Hanyu Pinyin Dàbiélè Hú
Dà Biélè Hú
Wade–Giles Ta-pieh-le Hu
Ta Pieh-le Hu
Bieletan
Traditional Chinese 別勒
Simplified Chinese 别勒
Transcriptions
Standard Mandarin
Hanyu Pinyin Biélètān
Biélè Tān
Wade–Giles Pieh-le-t‘an
Pieh-le T‘an
Dabieletan
Traditional Chinese 大別勒
Simplified Chinese 大别勒
Transcriptions
Standard Mandarin
Hanyu Pinyin Dàbiélètān
Dà Biélètān
Wade–Giles Ta-pieh-le-t‘an
Ta Pieh-le T‘an

. . . Dabiele Lake . . .

The da at the beginning of the name is the pinyinromanization of the Chinese word for “big” or “greater”, distinguishing it from nearby Xiaobiele Lake (“Little” or “Lesser Biele Lake”). Dabiele is also known as Bieletan or Dabieletan,[1] from a Chinese word used for both beaches and muddyriverbanks.

Dabiele Lake is an ephemeralsalt lake[2] in the Bieletan subbasin[3][4] on the southwestern edge of the Qarhan Playa at an elevation of 2,676.6 m (8,781 ft).[5] It lies between Suli and Xiaobiele Lakes. It is usually about 7.38 km2 (2.85 sq mi) wide.[5] It is fed from the south by the Tuolahai(托拉亥,Tuōlāhài Hé) and Qingshui Rivers[6](清水,Qīngshuǐ Hé). Its depth usually does not exceed 1 m (3 ft 3 in).[1]

Dabiele’s position at the south end of the playa means that its waters are relatively less influenced by the concentrated mineral springs along the playa’s northern boundary.[7] As with Xiaobiele, it is nonetheless nearly saturated with calcite, anhydrite, halite, and (importantly) carnallite,[8] which is processed to produce potash for potassium-rich fertilizers and other uses.

The Bieletan subbasin as a wholeinclusive of Suli, S. Suli, and Xiaobieleis also the richest source of brine lithium in China, with an estimated store of 7.74 million metric tons (8.53 million short tons) of lithium chloride.[9] The lithium derives from hot springs located near Mount Buka Daban which now feed the Narin Gol River or Hongshui River[10](t紅水,s红水,Hóngshuǐ Hé) that flows into East Taijinar Lake.[11] In the past, however, the springs lay within the “Kunlun” paleolake which until about 30,000 years ago produced a river which flowed north into a broad alluvial fan feeding the “Qarhan” paleolake in the Sanhu area.[12] 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.[13]

. . . Dabiele Lake . . .

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. . . Dabiele Lake . . .