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The Nurek Dam (Tajik
Tajik language

The Tajik language, or Tajik Persian, or Tajiki, is a modern variety of the Persian language spoken in Central Asia. An Indo-European languages language of the Iranian languages language group, most speakers of Tajik live in Tajikistan and Uzbekistan....
: ???????? ???? ?????, Nerugohi obii Norak, Tajiki for Nurek Hydro-electric Station) is a large earth fill dam
Dam

A dam is a barrier that Reservoirs surface water or underground streams. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates, levees, and Dike are used to manage or prevent water flow into specific land regions....
 located at 38.3715 N, 69.3492 E on the Vakhsh River
Vakhsh River

The Vakhsh River, also known as the Surkhob and the Kyzyl-Suu , is a Central Asian river, and one of the main rivers of the nation of Tajikistan....
 in the central Asian nation of Tajikistan
Tajikistan

Tajikistan , officially the Republic of Tajikistan , is a mountainous landlocked country in Central Asia. Afghanistan borders to the south, Uzbekistan to the west, Kyrgyzstan to the north, and People's Republic of China to the east....
. At it is currently the tallest dam in the world. (The Rogun Dam
Rogun Dam

Rogun Dam is an unfinished dam across the Vakhsh River in southern Tajikistan. Construction began in 1976, however the project was frozen. In February 2007, Russia announced a partnership with Tajikistan to complete the dam....
, under construction along the Vakhsh also in Tajikistan, may exceed it when completed, depending on its final height.






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The Nurek Dam (Tajik
Tajik language

The Tajik language, or Tajik Persian, or Tajiki, is a modern variety of the Persian language spoken in Central Asia. An Indo-European languages language of the Iranian languages language group, most speakers of Tajik live in Tajikistan and Uzbekistan....
: ???????? ???? ?????, Nerugohi obii Norak, Tajiki for Nurek Hydro-electric Station) is a large earth fill dam
Dam

A dam is a barrier that Reservoirs surface water or underground streams. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates, levees, and Dike are used to manage or prevent water flow into specific land regions....
 located at 38.3715 N, 69.3492 E on the Vakhsh River
Vakhsh River

The Vakhsh River, also known as the Surkhob and the Kyzyl-Suu , is a Central Asian river, and one of the main rivers of the nation of Tajikistan....
 in the central Asian nation of Tajikistan
Tajikistan

Tajikistan , officially the Republic of Tajikistan , is a mountainous landlocked country in Central Asia. Afghanistan borders to the south, Uzbekistan to the west, Kyrgyzstan to the north, and People's Republic of China to the east....
. At it is currently the tallest dam in the world. (The Rogun Dam
Rogun Dam

Rogun Dam is an unfinished dam across the Vakhsh River in southern Tajikistan. Construction began in 1976, however the project was frozen. In February 2007, Russia announced a partnership with Tajikistan to complete the dam....
, under construction along the Vakhsh also in Tajikistan, may exceed it when completed, depending on its final height. Construction of the dam began in 1961 and was completed in 1980, when Tajikistan was still a republic
Republics of the Soviet Union

The Republics of the Soviet Union were, according to the Article 76 of the 1977 Soviet Constitution, Sovereign Soviet Socialist states that had united with other Soviet Republics to become the Soviet Union....
 within the Soviet Union
Soviet Union

The Union of Soviet Socialist Republics was a Constitution of the Soviet Union socialist state that existed in Eurasia from 1922 to 1991.The name is a translation of the , romanization of Russian Soyuz Sovetskikh Sotsialisticheskikh Respublik, abbreviated ????, SSSR....
.

Construction

The Nurek Dam was constructed by the Soviet Union between the years of 1961 and 1980. It is uniquely constructed, with a central core of cement
Cement

In the most general sense of the word, a cement is a binder, a substance which sets and hardens independently, and can bind other materials together....
 forming an impermeable barrier within a -high rock and earth fill construction. The volume of the mound is 54 million m³. The dam includes nine hydroelectric
Hydroelectricity

Hydroelectricity is electricity generated by hydropower, i.e., the production of power through use of the gravitational force of falling or flowing water....
 generating units, the first commissioned in 1972 and the last in 1979.

The dam is located in a deep gorge along the Vakhsh River in western Tajikistan, about east of the nation's capital of Dushanbe
Dushanbe

Dushanbe , population 679,400 people , is the Capital and largest city of Tajikistan. Dushanbe means "Monday" in Tajik language, and the name reflects the fact that the city grew on the site of a village that originally was a popular Monday marketplace....
. A town near the dam, also called Nurek
Nurak

Nurek is a city in the Khatlon province of Tajikistan. It is situated on the Vakhsh River, 885 m above sea level, and is 70 km southeast of Dushanbe, the capital....
, houses engineer
Engineer

An engineer is a person professionally engaged in a field of engineering. Engineers are concerned with developing economical and safe solutions to practical problems, by applying mathematics and scientific knowledge while considering technical constraints....
s and other workers employed at the dam's power plant.

Electricity generation

A total of nine hydroelectric turbine
Turbine

A turbine is a rotary engine that extracts energy from a fluid flow. Claude Burdin coined the term from the Latin turbo, or vortex, during an 1828 engineering competition....
s are installed in the Nurek Dam. Originally having a generating capacity of 300 megawatts each (2.7 gigawatts total), they have since been redesigned and retrofitted such that they now combine to produce 3.0 gigawatts. As of 1994, this formed most of the nation's 4.0 gigawatt hydroelectric generating capacity, which was adequate to meet 98% of the nation's electricity needs.

Reservoir

The reservoir formed by the Nurek Dam, known simply as Nurek, is the largest reservoir in Tajikistan with a capacity of 10.5 km³. The reservoir is over in length, and has a surface area of . The reservoir fuels the hydroelectric plant located within the dam, and stored water is also used for irrigation
Irrigation

Irrigation is an artificial application of water to the soil usually for assisting in growing crops. In crop production it is mainly used in dry areas and in periods of rainfall shortfalls, but also to protect plants against frost....
 of local agricultural
Agriculture

Agriculture refers to the production of food and goods through farming and forestry. Agriculture was the key development that led to the rise of civilization, with the animal husbandry of domestication animals and plants creating food surpluses that enabled the development of more Population density and Social stratification societies....
 land. Irrigation water is transported 14 kilometers through the Dangara irrigation tunnel and is used to irrigate about of farmland. It is suspected that the reservoir may be causing induced seismicity
Induced seismicity

In seismology induced seismicity refers to typically minor earthquakes and tremors that are caused by human activity that alters the stresses and strains on the Earth's Crust ....
.

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