The Iron Gates (Romanian: Por?ile de Fier, Serbian: ?erdapska klisura, Bulgarian: ??????? ?????, German: Eisernes Tor, Hungarian: Vaskapu) is a gorge on the river Danube. It forms part of the boundary between Serbia (to the south) and Romania (north). In the broad sense it encompasses a route of 134 km (83 mi); in the narrow sense it only encompasses the last barrier on this route, just beyond the Romanian city of Or?ova, that contains two hydroelectric dams, with two power stations, Iron Gate I Hydroelectric Power Station and Iron Gate II Hydroelectric Power Station.
At this point in the Danube, the river separates the southern Carpathian Mountains from the northwestern foothills of the Balkan Mountains. The Romanian side of the gorge constitutes the Iron Gates natural park, whereas the Serbian part constitutes the ?erdap national park.
Archaeologists have named the Iron Gates mesolithic culture, of the central Danube region circa 13,000 to 5,000 years ago, after the gorge.
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Toponymy
In English, the gorge is known as Iron Gates or Iron Gate. An 1853 article about the Danube in The Times of London referred to it as "the Iron Gate, or the Gate of Trajan."
In languages of the region including Romanian, Hungarian, Polish, Slovak, Czech, German and Bulgarian, names literally meaning "Iron Gates" are used to name the entire range of gorges. These names are Romanian: Por?ile de Fier (pronounced ['port?sile de 'fjer], Hungarian: Vaskapu, Slovak: ?elezné vráta, Polish: ?elazne Wrota, German: Eisernes Tor, and Bulgarian: ??????? ????? ?elezni vrata"). An alternative Romanian name for the last part of the route is Defileul Dun?rii, literally "Danube Gorge".
In Serbian, the gorge is known as ?erdap (??????; [d????rda:p]), with the last part named ?erdapska klisura (????????? ???????; [d????rda:pska: kl?sura]) from the Byzantine Greek ????????? (kleisoura), "enclosure" or "pass."
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Natural physical features
Gorges
The first narrowing of the Danube lies beyond the Romanian isle of Moldova Veche and is known as the Golubac gorge. It is 14.5 km long and 230 m (755 ft) wide at the narrowest point. At its head, there is a medieval fort at Golubac, on the Serbian bank. Through the valley of Ljupovska lies the second gorge, Gospodjin Vir, which is 15 km long and narrows to 220 m (722 ft). The cliffs scale to 500 m and are the most difficult to reach here from land. The broader Donji Milanovac forms the connection with the Great and the Small Kazan gorge, which have a combined length of 19 km (12 mi). The Or?ova valley is the last broad section before the river reaches the plains of Wallachia at the last gorge, the Sip gorge.
The Great Kazan (kazan meaning "cauldron" or "reservoir") is the most famous and the most narrow gorge of the whole route: the river here narrows to 150 m and reaches a depth of up to 53 m (174 ft).
Channel
The riverbed rocks and the associated rapids made the gorge valley an infamous passage for shipping. In German, the passage is still known as the Kataraktenstrecke, even though the cataracts are gone. Near the actual "Iron Gates" strait the Prigrada rock was the most important obstacle (until 1896): the river widened considerably here and the water level was consequently low. Upstream, the Greben rock near the "Kazan" gorge was notorious.
Some of the channels created included:
- Stenka, 1,900 m (6,200 ft) long, with 10 navigational signals (originally, the balloons were used)
- Izlaz-Tahatlija, 2,351 m (7,713 ft), with 7 signals
- Svini?a, 1,200 m (3,900 ft), with 4 signals
- Juc, 1,260 m (4,130 ft), with 5 signals
- Sip, 4,375 m (14,354 ft)
- Mali ?erdap, 1,050 m (3,440 ft), as an extension of Sip Channel
In total, 15,465 m (50,738 ft) of navigable channels was created. They were flooded when the artificial Lake ?erdap was created (early 1970s).
The results of these efforts were slightly disappointing. The currents in the Sip Channel were so strong at 15kts (8 m/s) that (until 1973), ships had to be dragged upstream along the canal by locomotive. The Iron Gates thus remained an obstacle of note.
Dams
The construction of the joint Romanian-Yugoslavian mega project commenced in 1964. In 1972 the Iron Gate I Dam was opened, followed by Iron Gate II Dam, in 1984, along with two hydroelectric power stations, two sluices and navigation locks for shipping.
The construction of these dams gave the valley of the Danube below Belgrade the nature of a reservoir, and additionally caused a 35 m rise in the water level of the river near the dam. The old Or?ova, the Danube island of Ada Kaleh (below) and at least five other villages, totaling a population of 17,000, had to make way. People were relocated and the settlements have been lost forever to the Danube.
The dam's construction had a major impact on the local fauna and flora as well--for example, the spawning routes of several species of sturgeon were permanently interrupted.
The flora and fauna, as well as the geomorphological, archaeological and cultural historical artifacts of the Iron Gates have been under protection of both nations since the construction of the dam. In Serbia this was done with the ?erdap National Park (since 1974, 636.08 km2 (245.59 sq mi)) and in Romania by the Por?ile de Fier National Park (since 2001, 1,156.55 km2 (446.55 sq mi)).
History
Prehistoric & Roman era
Sandstone statues dated to the early neolithic era indicate that the area it has been inhabited for a very long time. Even more significant are the Iron Gates mesolithic (c. 13,000 to 5,000 BP) sites - in particular, the gorge of Gospodjin Vir, which contains the major archaeological site of Lepenski Vir (unearthed in the 1960s). Lepenski Vir is often regarded as the most important mesolithic site in south-east Europe. Together with many other
East of the Great Kazan the Roman emperor Trajan had built the legendary bridge erected by Apollodorus of Damascus. Construction of the bridge ran from 103 through 105, preceding Trajan's final conquest of Dacia. (On the right (Serbian) bank a Roman plaque commemorates him. On the Romanian bank, at the Small Kazan, a likeness of Decebalus, Trajan's Dacian opponent was carved in rock in 1994-2004.)
Ada Kaleh
Perhaps the most evocative consequence of the ?erdap dam's construction was the flooding of an islet named Ada Kaleh. An enclave former Turkish exclave, it had a mosque and a thousand twisting alleys, and was known as a free port and smuggler's nest. Many other ethnic groups lived there beside Turks.
The island was about 3 km (1.9 mi) downstream from Or?ova and measured 1.7 by 0.4-0.5 km. It was walled; the Austrians built a fort there in 1669 to defend it from the Turks, and that fort would remain a bone of contention for the two empires. In 1699 the island came under Turkish control, from 1716 to 1718 it was Austrian, after a four-month siege in 1738 it was Turkish again, followed by the Austrians reconquering it in 1789, only to have to yield it to the Turks in the following peace treaty.
Thereafter, the island lost its military importance. The 1878 Congress of Berlin forced the Ottoman Empire to retreat far into the south, but the island remained the property of the Turkish sultan, allegedly because it was forgotten to be mentioned in the treaty. The inhabitants enjoyed exemption from taxes and customs and were not conscripted. In 1923, when the Ottoman monarchy had disappeared, the island was given to Romania in the Treaty of Lausanne
The Ada Kaleh mosque dated from 1903 and was built on the site of an earlier Franciscan monastery. The mosque's carpet, a gift from the Turkish sultan Abdülhamid II, has been located in the Constan?a mosque since 1965.
Most Ada Kaleh inhabitants emigrated to Turkey after the evacuation of the island. A smaller part went to Northern Dobruja, another Romanian territory with a Turkish minority.
19th century
By the early 19th century, freedom of navigation on the Danube was regarded as important by many different states in the region and beyond. Allowing passage through the Iron Gates by larger vessels had become a priority.
By 1831 a plan had been drafted to make the passage navigable, at the initiative of Hungarian politician István Széchenyi. Finally Gábor Baross, Hungary's "Iron Minister", succeeded in financing this project. Not being satisfied with the solutions compiled by the Austrio-Hungarian government and the Austro-Turkish commission, the government of Hungary formed its own commission for the organization of the navigation through the Iron Gates. The project was finished in 1883.
Works on the gorge section were done by the Hungarian Technical Administration, over 11 years from 1889. The works were divided in two sectors, the upper and the lower Iron Gates. The channels in the upper section, at the town of Or?ova (the tripoint between Austria-Hungary, Romania and Serbia at the time) were up to 60 m (197 ft) wide and 2 m (7 ft) deep, at the zero water level in Or?ova. In the southern section, the channels were 60 m (197 ft) wide and 3 m (10 ft) deep, except for the Sip Channel, which was 73 m (240 ft) wide. In 1890, near Or?ova, the last border town of Hungary, rocks were cleared by explosion over a 2 km (1.2 mi) stretch in order to create channels. A spur of the Greben Mountains was removed across a length of over 2 km (1.2 mi). Here, a depth of 2 m (7 ft) sufficed. On 17 September 1896, the Sip Channel thus created (named after the Serbian Sip village on the right bank) was inaugurated by the Austro-Hungarian emperor Franz Joseph, the Romanian king Carol I, and the Serbian king Alexander Obrenovich.
Cultural references to the Iron Gates
Literature
- Two novels - The Valley of Horses (1982) and The Plains of Passage (1990) - in Jean M. Auel's series Earth's Children focus on the difficulties of prehistoric people traveling through or around the Iron Gates in both during scene sequences detailing travel adventures whilst the protagonists navigate between the upper and lower Danube valleys.
- The 1986 book Between the Woods and the Water, by travel writer Patrick Leigh Fermor, describes a night on the now submerged island Ada Kaleh and a trip by ferry through the Iron Gates, in August, 1934.
Film
- The 2003 film Donau, Duna, Dunaj, Dunav, Dunarea contains several minutes of film of the Iron Gates.
Music
- The Iron Gates are mentioned in the second verse of the Zvonko Bogdan song Rastao sam pored Dunava.
- The folk song Jugoslavijo by Milutin Popovi?, commonly called Od Vardara pa do Triglava, includes a mention of the Iron Gates in the beginning.
Source of the article : Wikipedia
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