- See Kura for other rivers called Kura.
Kura Mt'k'vari, Kür, Cyrus RiverThe Kura at Mtskheta, Georgia Name origin: Related either to Megrelian kur 'water, river' or to an ancient Albanian term for 'reservoir.' Countries Turkey, Georgia, Azerbaijan Region Caucasus Part of Caspian Sea basin Tributaries - left Iori, Alazani - right Khrami, Tartarchay, Aras Cities Khashuri, Gori, T'bilisi, Rustavi, Mingacevir, Zardab, Sabirabad, Neftçala Source Lesser Caucasus - location Near Kartsakhi Lake, Kars, Turkey - elevation 2,740 m (8,990 ft)  - coordinates Mouth Caspian Sea - location Neftçala, Neftchala Rayon, Azerbaijan - elevation -26.5 m (-87 ft)  - coordinates Length 1,515 km (941 mi)  Basin 198,300 km2 (76,564 sq mi)  Discharge for directly downstream from Aras River confluence - average 443 m3/s (15,644 cu ft/s)  - max 2,250 m3/s (79,458 cu ft/s)  - min 206 m3/s (7,275 cu ft/s) 
Kura (Turkish: Kura, Georgian: მტკვარი - Mt'k'vari, Azerbaijani: Kür) is a river, also known from the Greek as the Cyrus in the Caucasus Mountains. Starting in north-eastern Turkey, it flows through Turkey to Georgia, then to Azerbaijan, where it receives the Aras River as a right tributary, and enters the Caspian Sea. The total length of the river is 1,515 kilometres (941 mi).
People have inhabited the Caucasus region for thousands of years, and first established agriculture in the Kura Valley over 4,500 years ago. Large, complex civilizations eventually grew up on the river, but by 1200 CE, most were reduced to ruin by natural disasters and foreign invaders. The increasing human use, and eventual damage, of the watershed’s forests and grasslands contributed to a rising intensity of floods through the 20th century. In the 1950s, the Soviets started building many dams and canals on the river. Previously navigable up to Tbilisi in Georgia, it is now much slower and shallower, as its power has been harnessed by hydroelectricity stations. The river is now moderately polluted by major industrial centers like Tbilisi and Rustavi in Georgia.
The name Kura is related extract from name of Cyrus the Great or to an ancient Albanian term for 'reservoir.' The Georgian name of Kura is Mt'k'vari (in old Georgian Mt'k'uari), either from Georgian 'good water' or a Georgianized form of Megrelian tkvar-ua 'gnaw' (i.e., "river that eats its way through the mountains"). The name Kura was adopted first by the Russians and later by European cartographers. In some definitions of Europe, the Kura River defines the borderline between Europe and Asia.
The river should not be confused with the Kura River, Russia, a westward flowing tributary of the Malka River in Stavropol Krai; the Kur River near Kursk, Russia; or the other Kur River near Khabarovsk, also in Russia.
It rises in northeastern Turkey in a small valley in the Kars Upland of the Lesser Caucasus. It flows east, then west and north past Ardahan, crosses into Georgia, then into a canyon near Akhaltsikhe. From there, it runs northwest in a gorge for about 75 kilometres (47 mi), spilling out of the mountains near Khashuri. It then arcs east and starts to flow east-southeast for about 120 kilometres (75 mi), past Gori, then near Mtskheta, flows south through a short canyon and along the west side of T'bilisi, the largest city in the region. The river flows steeply southwest past Rustavi and turns westward at the confluence with the Khrami River, crossing the Georgia-Azerbaijan line and flowing across grasslands into Shemkir reservoir and then Yenikend reservoir.
The Kura then empties into Mingachevir reservoir, the largest body of water in Azerbaijan, formed by a dam near its namesake town at the southeastern end. The Iori (also known as Qabirri) and Alazani rivers formerly joined the Kura, but their mouths are now submerged under the lake. After leaving the dam the river meanders southwest where it meets its biggest tributary Tartarchay in Barda rayon and continues across a broad irrigated plain for several hundred kilometers, turning west near Lake Sarysu, and shortly after, receives the Aras, the largest tributary, at the city of Sabirabad. At the Aras confluence it makes a large arc to the north and then flows almost due south for about 60 kilometres (37 mi), passing the west side of Shirvan National Park, turning west into the Caspian Sea at Neftçala.
Most of the Kura River runs in the broad and deep valley between the Greater Caucasus and Lesser Caucasus mountains, and the major tributary, the Aras, drains most of the southern Caucasus and the mountain ranges of the extreme northern Middle East. The entirety of Armenia and most of Azerbaijan are drained by the Kura River, but the Kura does not pass through Armenia at all. Also in the Kura watershed are Turkey, Georgia, and a bit of northern Iran. Most of the elevation change in the river occurs within the first 200 kilometres (120 mi). While the river starts at 2,740 metres (8,990 ft) above sea level, the elevation is 693 metres (2,274 ft) by the time it reaches Khashuri in central Georgia, just out of the mountains, and only 291 metres (955 ft) when it reaches Azerbaijan.
The lower part of the river flows through the Kura-Aras Lowland, which covers most of central Azerbaijan and abuts the Caspian Sea. The Kura is the third largest, after the Volga and Ural, of the rivers that flow into the Caspian. Its delta is the fourth largest among the rivers that flow into the Caspian Sea, and is divided into three main sections, or "sleeves", composed of sediment the river deposited during different periods of time. Before 1998, the river flowed all the way to the tip of the delta, where it discharged into the Caspian. In that year, the river escaped its channel and started to flow off to the west, leaving the last few kilometers abandoned. The course change is believed to be the result of a rise in the level of the Caspian Sea coupled with a major flood of the Kura.
About 174 kilometres (108 mi) of the river is in Turkey, 435 kilometres (270 mi) in Georgia, and 906 kilometres (563 mi) in Azerbaijan. About 5,500 square kilometres (2,100 sq mi) of the catchment is in Turkey, 29,743 square kilometres (11,484 sq mi) in Armenia, 46,237 square kilometres (17,852 sq mi) in Georgia, 56,290 square kilometres (21,730 sq mi) in Azerbaijan, and about 63,500 square kilometres (24,500 sq mi) are in Iran. At the confluence with the Aras River, the drainage area of the tributary is actually larger than the Kura by about 4%, and it is also longer. However, because of the more arid conditions and equally intensive water use, the discharge of the Aras is much less than the Kura, so downstream of the confluence the river is still called the Kura. About 52% of the river's flow comes from snowmelt and glaciers, 30% comes from groundwater seepage, and roughly 18% from precipitation. Because of high water use, many of the smaller tributaries of the Kura no longer reach the river, instead disappearing in the plain many kilometers from their original mouths.
Steppe characterizes the arid reaches of the Kura River catchment, while meadows are often found in the alpine areas. The Kura River area is considered as part of the Kura-South Caspian Sea Drainages ecoregion. Some portions of the river flow through a semi-desert environment. Forest cover is sparse. Almost 60 species of fish inhabit the Kura River and its tributaries. Some common families include loach, bleak, trout and nase, and many of these fish are endemic to the region. Among rivers of the Caucasus, the Kura has the largest number of endemic species. The upper section of the river supports much more biodiversity than the lower half, which is typically more turbid and polluted. This pattern is also apparent in most of its tributaries, especially the larger ones that span more climate zones, such as the Aras and Alazani. There are many lakes and wetlands along the Kura's lower course, most of which are formed by flooding, and some of which are formed by irrigation runoff water. Many lakes also form at the mouths of small tributaries that do not reach the ultimate destination in the Caspian most of the time. The local name for these lakes translates to dead lake or dead water, suggesting that these lakes do not support much biodiversity.
Economy and human use
Formerly navigable up to T'bilisi, the largest city on the river, the amount of water in the Kura has greatly diminished in the 20th century because of extensive use for irrigation, municipal water, and hydroelectricity generation. The Kura is regarded as one of the most stressed river basins in Asia. Most of the water comes from snow melt and infrequent precipitation in the mountains, which leads to severe floods and an abundance of water for a short time of the year (generally in June and July), and a relatively low sustainable baseflow. Forest cover is sparse, especially in the Kura and Aras headwaters, and most of the water that falls on the highlands becomes runoff instead of supplying groundwater. Attempts at flood control include the constructions of levees, dikes and dams, the largest of which is at Mingachevir, an 80-metre (260 ft)-high rockfill dam impounding over 15.73 cubic kilometres (12,750,000 acre·ft) of water. However, because of the high sediment content of rivers in the Kura basin, the effectiveness of these floodworks is limited and decreases every year.
Irrigation agriculture has been one of the primary economic mainstays of the lower Kura valley since ancient times. Because of water taken out for irrigation use, up to 20% of the water that formerly flowed in the river no longer reaches the Caspian Sea. Over 70% of the water in the Iori (Gabirry) River, a major tributary of the Kura, is expended before it reaches Lake Mingachevir. Of the 4,525,000 hectares (11,180,000 acres) of agricultural land in the lower Kura River watershed, 1,426,000 hectares (3,520,000 acres), about 31%, are irrigated. Much of the water diverted from the river for irrigation goes to waste because of leakage from the canals, evaporation, poor maintenance, and other causes. Leaking water causes groundwater to rise, in some areas so high that about 267,000 hectares (660,000 acres) of land are so waterlogged that they are no longer suitable for agriculture. About 631,000 hectares (1,560,000 acres) of the irrigated lands have a dangerously high salt content because of mineral deposits from irrigation. Of this, 66,000 hectares (160,000 acres) are extremely salinated. Irrigation return water, returned to the river by an extensive but outdated drainage system, contributes to severe pollution. Some of this degradation also comes from industrial and municipal wastewater discharge.
People have lived on the Kura for at least 7,000 years? The ancient inhabitants of the Kura-Aras lowland called the river Mother Kür, signifying the importance of the river to the region. The first irrigation agriculture began about 4,500 years ago in the eastern Azerbaijan lowlands. Trading centers were established in time, including one at Mingachevir in Azerbaijan and another at Mtskheta in Georgia.
The site at Mingachevir (probably Sudagylan), first discovered in the 1940s by archaeologist G.I. Ione, had "seven rectangular kilns … The fuel chamber was trapezoid. The inner walls and floor were covered with a special coating. These kilns were attributed to the third century B.C. [2,300 years ago]. The number of kilns and the quantity of raw material indicate a trade center." The settlement was probably destroyed by a fire around A.D. 600, but its demise is uncertain. But perhaps most famous of the ancient settlements on the Kura is the "cave town" at Uplistsikhe, Georgia, first settled as early as 3,500 years ago. The city, carved into a cliff on the bank of the Kura covering an area of 8 hectares (20 acres), contains underground living quarters, communal chambers, places of worship, storerooms, connected by a network of passageways. It reached its peak about 1,100 years ago as the political, religious and cultural center of the region, but in the 13th century, it fell to Mongolian invaders.
Even though irrigation agriculture had been well established for thousands of years, until the 1920s, humans did not have a significant effect on the ecology or hydrology of the Kura River watershed. Since then, logging, grazing and especially agriculture began to have a severe outcome on the water availability of the basin. Many forested areas in the mountains have been replaced by thin grassland because of logging. These habitat changes have been detrimental to the ecology of the Kura basin. After the 1920s, wetlands were drained and reservoirs were created to facilitate development of irrigation in the lower Kura valley.
In the 1950s and 1960s, when the Caucasus region was part of the Soviet Union, construction of many of the reservoirs and waterworks in the Kura basin began. Of the major reservoirs in the Kura catchment, one of the earliest was at Varvara in 1952. Large scale construction of dams continued until the 1970s.
- ^ Guluzada, Lidiya. "Kura River—Transboundary Watercourse of Caucasus". Fondazione Eni Enrico Mattei. http://www.feem-web.it/transcat_conf/conf_papers/Guluzada.pdf. Retrieved 2010-03-12.
- ^ "General Background". Caspian Environment Programme. 2004-11-06. http://www.caspianenvironment.org/caspian.htm. Retrieved 2010-03-12.
- ^ a b "Regional Partnership for Prevention of Transboundary Degradation of the Kura-Aras River Basin". Environmental Conservation and Management. United Nations Development Programme. 2002. http://www.undp.org.ge/Projects/kura.html. Retrieved 2010-03-12. [dead link]
- ^ a b c d Mammadov, R. (2009-02). "Integrated Water Resources Management as Basis for Flood Prevention in the Kura River Basin". United Nations Economic Commission for Europe. http://www.unece.org/env/water/meetings/flood/workshop%202009/presentations/session%203/Mammadov_Verdiyev_article.pdf. Retrieved 2010-03-12.
- ^ a b c Rustanov, S. G. (1967). "Drift Balance of the Kura River in its Lower Course". Institute of Geography of the Academy of Sciences of the Azerbaijan SSR. General Assembly of Bern. Commission of Surface Waters. http://iahs.info/redbooks/a075/iahs_075_0391.pdf. Retrieved 2010-04-05.
- ^ a b "Kura River Discharge at Surra". River Discharge Database. Center for Sustainability and the Global Environment. 1930-1984. http://www.sage.wisc.edu/riverdata/scripts/station_table.php?qual=32&filenum=1154. Retrieved 2010-03-12.
- ^ Allen, William Edward David Routledge Kegan Paul 1971 ISBN 978-0710069597 p.8 
- ^ Gachechiladze, Revaz Givievich The New Georgia Blackwell 1995 ISBN 978-0890967034 p.18 
- ^ a b E.M. Pospelov, Geograficheskie nazvaniya mira (Moskva, 1998), p. 231
- ^ Countries that exist wholly or partially within geographical Europe
- ^ a b "Azerbaijan: Geography, climate and population". AQUASTAT. Food and Agriculture Organization of the United Nations. http://www.fao.org/nr/water/aquastat/countries/azerbaijan/index.stm. Retrieved 2010-03-18.
- ^ a b European Union. Background Map of the Kura-Aras River Basin (Map). Cartography by Trans-Boundary River Management Phase II for the Kura River basin—Armenia, Georgia, Azerbaijan. http://www.kuraarasbasin.net/EU_KuraAras_webpage/Kura_River_Basin_files/Map_KuraArasBasin%20Map.pdf. Retrieved 2010-03-12.
- ^ a b Derived from Google Earth
- ^ Mamedova, N.. "Using Spaceborne Data and GIS-technology for Research of Coastal Zone in Azerbaijan". Department of General Geography, Baku State University, Azerbaijan. International Society for Photogrammetry and Remote Sensing. http://www.isprs.org/publications/related/ISRSE/html/papers/990.pdf. Retrieved 2010-03-13.
- ^ a b c d e Mustafaev, Islam; Mammadov, Vagif. "Problems of Transboundary Water Management in Azerbaijan". Institute of Radiation Problems, Institute of Geology. docstoc. http://www.docstoc.com/docs/11383693/Length-Of-Rivers. Retrieved 2010-03-13.
- ^ Armenia is entirely in the Kura River catchment
- ^ Problems of Transboundary Water Management in Azerbaijan report states that 65% of Azerbaijan is drained by the Kura
- ^ a b Mammadov, Kh.; Verdiyev, R.. "Integrated Water Resources Management As Basis for Flood Prevention in the Kura River Basin". Azerbaijan Geographical Society, Azerbaijan Aerospace Agency. http://www.unece.org/env/water/meetings/flood/workshop%202009/presentations/session%203/Mammadov_Kura.pdf. Retrieved 2010-03-12.
- ^ Bogutskaya, Nina (2010-03-11). "Kura-South Caspian Drainages". World Wildlife Fund, Nature Conservancy. Freshwater Ecoregions of the World. http://www.feow.org/ecoregion_details.php?eco=434. Retrieved 2010-03-18.
- ^ a b c d Imanov, Farda A.. "Water Infrastructure of Kura River Basin Within Azerbaijan". Basin Resources Protection. General Directorate of State Hydraulic Works. pp. 100–105. http://www.dsi.gov.tr/english/congress2007/chapter_1/08.pdf. Retrieved 2010-03-12.
- ^ a b Pasichnyk, Richard Michael (2009-05-02). "AD 550 to 750—A Time for the New World's Renewal and Being 'Gracious to the Creatures' — Another Example of a Historical Cycle". Living Cosmos. http://www.livingcosmos.com/AD550-750.htm. Retrieved 2010-03-13.
- ^ "Archaeological News, Russia". Archaeological Institute of America. JSTOR. 1950. http://www.jstor.org/pss/501010. Retrieved 2010-03-13.
- ^ "Uplistsikhe Cave Town". UNESCO World Heritage Center. United Nations. 2007-10-24. http://whc.unesco.org/en/tentativelists/5234/. Retrieved 2010-03-13.
- ^ Turner, Billie Lee (1990). The Earth as transformed by human action: global and regional changes in the biosphere over the past 300 years. CUP Archive. pp. 527–528. ISBN 0-51236-367-8.
- Kura. The Columbia Encyclopedia, Sixth Edition. 2001-05.
Rivers of Georgia Black sea basin Caspian basin Rivers of Turkey Black Sea basin Marmara basin Aegean basin Mediterranean basin Persian Gulf basin Caspian basinAras · Kura Water bodies of Azerbaijan Major rivers Major lakes Major reservoirs
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