Syr Darya
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Syr Darya
Syr Darya
Jaxartes, Seyhun
Syr Darya.jpg
Syr Darya at Kyzylorda, Kazakhstan
Syrdaryamap.png
Map of the watershed of Syr Darya. Aral Sea boundaries are c. 1960.
Etymologyunknown
Native nameKazakh: Syrdara
Uzbek: Sirdaryo, ?
Tajik: ?
Location
CountryKyrgyzstan, Uzbekistan, Tajikistan, Kazakhstan
CitiesKhujand, TJ, Tashkent, UZ, Turkestan, KZ, Kyzylorda, KZ, Baikonur, RU
Physical characteristics
SourceConfluence of Naryn and Kara Darya
 • locationFergana Valley, Uzbekistan
 • coordinates40°54?03?N 71°45?27?E / 40.90083°N 71.75750°E / 40.90083; 71.75750
 • elevation400 m (1,300 ft)
MouthNorth Aral Sea
 • location
Kazaly, Kazakhstan
 • coordinates
46°09?15?N 60°52?25?E / 46.15417°N 60.87361°E / 46.15417; 60.87361Coordinates: 46°09?15?N 60°52?25?E / 46.15417°N 60.87361°E / 46.15417; 60.87361
 • elevation
42 m (138 ft)
Length2,256.25 km (1,401.97 mi)
Basin size402,760 km2 (155,510 sq mi)
Discharge 
 • average1,180 m3/s (42,000 cu ft/s)[1]
 • minimum170 m3/s (6,000 cu ft/s)
 • maximum3,900 m3/s (140,000 cu ft/s)
Basin features
Tributaries 
 • leftKara
 • rightNaryn, Chirciq, Arys, Chu, Sarysu
Protection status
Official nameLesser Aral Sea and Delta of the Syrdarya River
Designated2 February 2012
Reference no.2083[2]
Astronaut photograph of the Syr Darya River floodplain

The Syr Darya (, Persian pronunciation: [si:? dæ?'j?:]),[a] historically known as the Jaxartes (Ancient Greek: ), is a river in Central Asia. The name, a borrowing from the Persian language, literally means Syr Sea or Syr River, and sometimes it is referred to in this way. It originates in the Tian Shan Mountains in Kyrgyzstan and eastern Uzbekistan and flows for 2,256.25 kilometres (1,401.97 mi) west and north-west through Uzbekistan and southern Kazakhstan to the northern remnants of the Aral Sea. It is the northern and eastern of the two main rivers in the endorrheic basin of the Aral Sea, the other being the Amu Darya (Jayhun). In the Soviet era, extensive irrigation projects were constructed around both rivers, diverting their water into farmland and causing, during the post-Soviet era, the virtual disappearance of the Aral Sea, once the world's fourth-largest lake. The point at which the river flows from Tajikistan into Uzbekistan is, at 300 m (980 ft) above sea level, the lowest elevation in Tajikistan.[3][4][5]

History

Syr Darya River at Khujand

When the Macedonian army of Alexander the Great reached the Jaxartes in 329 BCE, after travelling through Bactria and Sogdia without encountering any opposition, they met with the first instances of native resistance to their presence. Alexander was wounded in the fighting that ensued and the native tribes took to massacring the Macedonian garrisons stationed in their towns. As the revolt against Alexander intensified it spread through Sogdia, plunging it into two years of warfare, the intensity of which surpassed any other conflict of the Anabasis Alexandri.[6]

On the shores of the Syr Darya Alexander placed a garrison in the City of Cyrus (Cyropolis in Greek), which he then renamed after himself Alexandria Eschate--"the farthest Alexandria"--in 329 BCE. For most of its history since at least the Muslim conquest of Central Asia in the 7th to 8th centuries CE, the name of this city (in present-day Tajikistan) has been Khujand.

In the mid-19th century, during the Russian conquest of Turkestan, the Russian Empire introduced steam navigation to the Syr Darya, with an important river port at Kazalinsk (Kazaly) from 1847 to 1882, when service ceased.

During the Soviet era, a resource-sharing system was instituted in which Kyrgyzstan and Tajikistan shared water originating from the Amu Darya and Syr Darya rivers with Kazakhstan, Turkmenistan, and Uzbekistan in summer. In return, Kyrgyzstan and Tajikistan received Kazakh, Turkmen, and Uzbek coal, gas, and electricity in winter. After the 1991 fall of the Soviet Union this system disintegrated and the Central Asian nations have failed to reinstate it. Inadequate infrastructure, poor water-management, and outdated irrigation methods all exacerbate the issue.[7]

Geography

The river rises in two headstreams in the Tian Shan Mountains in Kyrgyzstan and eastern Uzbekistan--the Naryn River and the Kara Darya which come together in the Uzbek part of the Fergana Valley--and flows for some 2,212 kilometres (1,374 mi) west and north-west through Uzbekistan and southern Kazakhstan to the remains of the Aral Sea. The Syr Darya drains an area of over 800,000 square kilometres (310,000 sq mi), but no more than 200,000 square kilometres (77,000 sq mi) actually contribute significant flow to the river: indeed, two of the largest rivers in its basin, the Talas and the Chu, dry up before reaching it. Its annual flow is a very modest[1] 37 cubic kilometres (30,000,000 acre?ft) per year--half that of its sister river, the Amu Darya.

Along its course, the Syr Darya irrigates the most productive cotton-growing region in the whole of Central Asia, together with the towns of Kokand, Khujand, Kyzylorda and Turkestan.

Various local governments throughout history have built and maintained an extensive system of canals.[8] These canals are of central importance in this arid region. Many fell into disuse in the 17th and early 18th century, but the Khanate of Kokand rebuilt many in the 19th century, primarily along the Upper and Middle Syr Darya.

Name

The second part of the name (darya, ?) means "river" or "sea" in Persian. The current name dates only from the 18th century.

The earliest recorded name was Jaxartes or Iaxartes () in Ancient Greek, consist of two morpheme Iaxa and artes, found in several sources, including those relating to Alexander the Great. The Greek name hearkens back to the Old Persian name Yakhsha Arta ("True Pearl"), perhaps a reference to the color of its glacially-fed water.[9] More evidence for the Persian etymology comes from the river's Turkic name up to the time of the Arab conquest, the Yinçü, or "Pearl river", from Middle Chinese *i?n-to.[8][10]Tang Chinese also recorded this name as Yaosha River (MC: *jk-t) and later Ye River (MC: *ji?p).

Following the Muslim conquest, the river appears in the sources uniformly as the Seyhun (), one of the four rivers flowing from the Paradise (Jannah in Arabic).[11]

The current local name of the river, Syr (Sïr), does not appear before the 16th century. In the 17th century, Abu al-Ghazi Bahadur Khan, historian and ruler of Khiva, called the Aral Sea the "Sea of Sïr," or Sïr Tengizi.

Ecological damage

Massive expansion of irrigation canals in Middle and Lower Syr Darya during the Soviet period to water cotton and rice fields caused ecological damage to the area. The amount of water taken from the river was such that in some periods of the year, no water at all reached the Aral Sea. The Amu Darya in Uzbekistan and Turkmenistan faced a similar situation.

The uranium concentration of the stream water is increased in Tajikistan with values of 43 ?g/l and 12 ?g/l; the WHO guideline value for drinking water of 30 ?g/l is partly exceeded. The main input of uranium occurs upstream in Uzbekistan and Kyrgyzstan.[12]

See also

Notes

  1. ^ Also transliterated Syrdarya or Sirdaryo; Kazakh: , Syrdara, ; Russian: , tr. Syrdarjja, IPA: [s?rd?'r?ja]; Persian: ?‎, romanizedSirdaryâ; Tajik: ?, romanizedSirdaryo; Turkish: Seyhun, Siri Derya; Arabic: ‎, romanizedSeyn; Uzbek: Sirdaryo/?

References

  1. ^ a b Daene C. McKinney. "Cooperative Management of Transboundary Water Resources in Central Asia" (PDF). Ce.utexas.edu. Retrieved .
  2. ^ "Lesser Aral Sea and Delta of the Syrdarya River". Ramsar Sites Information Service. Retrieved 2018.
  3. ^ "TAJIKISTAN". The World Factbook. Retrieved 2020. lowest point: Syr Darya (Sirdaryo) 300 m
  4. ^ "Territorial and border issues". Ministry of Foreign Affairs of the Republic of Tajikistan. 1 March 2010. Retrieved 2020. The lowest spot of the country is on the height of 300 meters and the highest spot is on the height of 7495 meters above sea level.
  5. ^ "General information about Tajikistan". Conference on Interaction and Confidence-Building Measures in Asia. Retrieved 2020. Tajikistan is a typical mountainous country with absolute heights from 300 to 7495 m.
  6. ^ Holt, Frank Lee (1989). Alexander the Great and Bactria: The Formation of a Greek Frontier in Central Asia. Brill. p. 53. ISBN 9004086129. Retrieved 2019.
  7. ^ International Crisis Group. "Water Pressures in Central Asia", CrisisGroup.org. 11 September 2014. Retrieved 6 October 2014.
  8. ^ a b ?. ?. . ? ? ?. (On the history of Irrigation in Turkestan) in (Works on Historical Geography). Moscow: Vostochnaia Literatura, 2002. Pages 210-231
  9. ^ "Sïr Dary?." Encyclopaedia of Islam, Second Edition. Edited by: P. Bearman, Th. Bianquis, C.E. Bosworth, E. van Donzel, W.P. Heinrichs. Brill Online, 2014.
  10. ^ Tekin, Talat (1997). "Notes on Some Chinese Loanwords in Old Turkic". Türk Dilleri Ara?t?rmalar? (7): 165-173.
  11. ^ The introductory chapters of Y?q?t's Mu?jam al-buld?n, by Y?q?t ibn ?Abd All?h al-?amaw?, Page 30
  12. ^ P. Zoriy, M. Schläger, K. Murtazaev, J. Pillath, M. Zoriy, B. Heuel-Fabianek (2017): Monitoring of uranium concentrations in water samples collected near potentially hazardous objects in North-West Tajikistan.. Journal of Environmental Radioactivity, 181, pp. 109-117.

External links


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