Tanggula Mountains

Tanggula Mountains
Tanggula Mountains viewed from Qinghai
Tanggula Mountains from the Qinghai-Tibet Railway.

Tanggula Mountains (Chinese: 唐古拉山脉; pinyin: Tánggǔlā shānmài; also called Dangla Mountains, Tibetan: གདང་ལ་།Wylie: gdang la, ZYPY: Dang La; officially Tanggula (Dangla) Shanmai) are a mountain range in the central part of the Tibetan Plateau.[1] Administratvely, the western part of the range is in Nagqu Prefecture of the Tibet Autonomous Region; the highest, central part, in the border area of Nagqu Prefecture and Tanggula Town of the Qinghai Province; and the eastern section, in the border area of Nagqu and the Yushu Tibetan Autonomous Prefecture of Qinghai.

The elevations of the main ridge average more than 5,000 m. The Yangtze River originates in this mountain range and Peak Geladandong (at 6,621 metres, located within Tanggula Town) is the tallest peak in the range.[2]

The Qinghai-Tibet Highway and the Qinghai-Tibet Railway cross the Tanggula Mountains at Tanggula Mountain Pass. This is the highest point of the Qinghai-Tibet Railway, and the highest point of any railway in the world, at 5,072 meters above sea level.[3] On account of the snow and occasional road accidents, highway closures and concomitant traffic delays are not uncommon.[4]

The mountains lie within the Tibetan Plateau alpine shrub and meadows ecoregion.[5]

The Tanggula (Tanglha) Range is a dividing range between the basin of the Yangtze River in the north and the endorheic basins of north-eastern Tibet in the south. This range should not be confused with the Nianqing Tangula (Nyainqêntanglha), which is located a few hundreds of kilometers further south, separating those endorheic basins from the Yarlung Tsangpo (Brahmaputra) River basin of southern Tibet.

See also

Notes

  1. ^ "Tanggula Mountains". Encyclopedia Britannica. http://www.britannica.com/eb/article-9071164/Tanggula-Mountains. Retrieved 2007-07-03. 
  2. ^ "Desperate Times at the Headwaters of the Yangtze". Archived from the original on 2007-10-09. http://web.archive.org/web/20071009153623/http://www.hkctp.com.hk/eng/magazine/281/Nature.asp. Retrieved 2007-07-03. 
  3. ^ "New height of world's railway born in Tibet". China View. http://news.xinhuanet.com/english/2005-08/24/content_3397297.htm. Retrieved 2007-07-03. 
  4. ^ Plateau traffic jam
  5. ^ Olson, D. M, E. Dinerstein, et al (2001). "Terrestrial Ecoregions of the World: A New Map of Life on Earth". BioScience 51 (11): 933–938. doi:10.1641/0006-3568(2001)051[0933:TEOTWA]2.0.CO;2. http://gis.wwfus.org/wildfinder/. 

Coordinates: 33°30′00″N 91°04′12″E / 33.5°N 91.07°E / 33.5; 91.07


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