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Map of the Tisza and southern part of the Danube
|Native name||Tisza (Hungarian)|
|Country||Ukraine, Romania, Hungary, Slovakia, Serbia|
|Towns||Sighetu Marmației, Khust, Szolnok, Szeged, Bečej|
|⁃ location||Eastern Carpathians, Ukraine|
|⁃ elevation||2,020 m (6,630 ft)|
|Downstream of Novi Sad, Serbia|
|Length||966 km (600 mi)|
|Basin size||156,087 km2 (60,266 sq mi)|
|⁃ average||820 m3/s (29,000 cu ft/s)|
|Progression||Danube→ Black Sea|
|⁃ left||Someș, Criș, Mureș|
The Tisza, Tysa or Tisa is one of the main rivers of Central and Eastern Europe. Once, it was called "the most Hungarian river" because it flowed entirely within the Kingdom of Hungary. Today, it crosses several national borders.
The Tisza begins near Rakhiv in Ukraine, at the confluence of the White Tisa and Black Tisa (the former springs in the Chornohora mountains; the latter in the Gorgany range). From there, the Tisza flows west, roughly following Ukraine's borders with Romania and Hungary, then shortly as border between Slovakia and Hungary, later into Hungary, and finally into Serbia. It enters Hungary at Tiszabecs. It traverses Hungary from north to south. A few kilometers south of the Hungarian city of Szeged, it enters Serbia. Finally, it joins the Danube near the village of Stari Slankamen in Vojvodina, Serbia.
The Tisza drains an area of about 156,087 km2 (60,266 sq mi) and has a length of 966 km (600 mi)— seco Its mean annual discharge is 792 m3/s (28,000 cu ft/s). It contributes about 13% of the Danube's total runoff.
Attila the Hun is said to have been buried under a diverted section of the river Tisza.
The river was known as the Tisia in antiquity; other ancient names for it included Tissus (in Latin) and Pathissus (Πάθισσος in Ancient Greek), (Pliny, Naturalis historia, 4.25). It may be referred to as the Theiss in older English references, after the German name for the river, Theiß. It is known as the Tibisco in Italian, and in older French references (as for instance in relation to the naval battles on the Danube between the Ottoman Empire and the Austrian Habsburg Empire in the 17th and 18th centuries) it is often referred to as the Tibisque.
Modern names for the Tisza in the languages of the countries it flows through include:
- Romanian: Tisa (pronounced [ˈtisa]);
- Ukrainian: Тиса (pronounced [ˈtɪsɐ]);
- Slovak: Tisa (pronounced [ˈtisa]);
- Hungarian: Tisza (pronounced [ˈtisɒ]);
- Serbian: Тиса, romanized: Tisa (pronounced [tîsa]).
The length of the Tisza in Hungary used to be 1,419 km (882 mi). It flowed through the Great Hungarian Plain, which is one of the largest flat areas in central Europe. Since plains can cause a river to flow very slowly, the Tisza used to follow a path with many curves and turns, which led to many large floods in the area.
After several small-scale attempts, István Széchenyi organised the "regulation of the Tisza" (Hungarian: a Tisza szabályozása) which started on August 27, 1846, and substantially ended in 1880. The new length of the river in Hungary was 1,419 km (882 mi), 1,358 km (844 mi) total, with 589 km (366 mi) of dead channels and 136 km (85 mi) of new riverbed. The resultant length of the flood-protected river comprises 2,940 km (1,830 mi) out of 4,220 km (2,620 mi) of all Hungarian protected rivers.
In the 1970s, the building of the Tisza Dam at Kisköre started with the purpose of helping to control floods as well as storing water for drought seasons. However, the resulting Lake Tisza became one of the most popular tourist destinations in Hungary since it had similar features to Lake Balaton at drastically cheaper prices and was not crowded.
The Tisza is navigable over much of its course. The river opened up for international navigation only recently; before, Hungary distinguished "national rivers" and "international rivers", indicating whether non-Hungarian vessels were allowed or not. After Hungary joined the European Union, this distinction was lifted and vessels were allowed on the Tisza.
Conditions of navigation differ with the circumstances: when the river is in flood, it is often unnavigable, just as it is at times of extreme drought.
The Tisza has a rich and varied wildlife. Over 200 species of birds reside in the bird reserve of Tiszafüred. The flood plains along the river boast large amounts of diverse plant and animal life. In particular, the yearly "flowering" of the Tisza is considered a local natural wonder. The flowering attracts vast numbers of mayflies which is a well known spectacle.
In early 2000, there was a sequence of serious pollution incidents originating from accidental industrial discharges in Romania. The first, in January 2000, occurred when there was a release of sludge containing cyanide from a Romanian mine and killed 2,000 tonnes (2,000 long tons; 2,200 short tons) of fish. The second, from a mine pond at Baia Borsa, northern Romania, resulted in the release of 20,000 cubic metres (710,000 cu ft) of sludge containing zinc, lead and copper occurred in early March 2000. A week later, the third spill occurred at the same mining site at Baia Borsa, staining the river black, possibly including heavy metals.
This series of incidents were described at the time as the most serious environmental disaster to hit central Europe since the Chernobyl disaster. Use of river water for any purpose was temporarily banned and the Hungarian government pressed the Romanians and the European Union to close all installations that could lead to further pollution.
Examination of river sediments indicates that pollution incidents from mines have occurred for over a century.
The following rivers are tributaries to the river Tisza:
- Vișeu (entering at Valea Vișeului)
- Kosivska (entering at Luh)
- Shopurka (entering at Velykyi Bychkiv)
- Iza (entering at Sighetu Marmației)
- Teresva (entering near Teresva)
- Tereblia (entering at Bushtyno)
- Rika (entering near Khust)
- Someș (entering near Vásárosnamény)
- Crasna (entering in Vásárosnamény)
- Bodrog (entering in Tokaj)
- Sajó (entering near Tiszaújváros)
- Zagyva (entering in Szolnok)
- Körös (entering near Csongrád)
- Mureș (entering near Szeged)
- Aranca (entering near Padej)
- Čik (entering near Bačko Petrovo Selo)
- Jegrička (entering near Žabalj)
- Bega (entering near Titel)
Cities and towns
The Tisza (Tisa) flows through the following countries and cities (ordered from the source to mouth):
- Tisza at GEOnet Names Server
- Tockner, Klement; Uehlinger, Urs; Robinson, Christopher T., eds. (2009). Rivers of Europe (First ed.). London: Academic Press. Sec. 3.9.5. ISBN 978-0-12-369449-2.
- "Declaration On Co-Operation Concerning The Tisza/Tisa River Basin And Initiative On The Sustainable Spatial Development Of The Tisza/Tisa River | International Environmental Agreements (IEA) Database Project". iea.uoregon.edu. Retrieved 2019-02-03.
- NoorderSoft Waterway Database; accessed 13 March 2016.
- Konyvek, Szalay (2009). Our Beloved Hungaricums. Pannon-Literatura Kft. p. 94. ISBN 978-963-251-145 0.
- "Third pollution spill hits Hungary". BBC. 15 March 2000. Retrieved 11 October 2010.
- H. L. Nguyen, M. Braun, I. Szaloki, W. Baeyens, R. Van Grieken and M. Leermakers (30 October 2008). "Tracing the Metal Pollution History of the Tisza River". Springer. Retrieved 11 October 2010.CS1 maint: multiple names: authors list (link)
|Wikimedia Commons has media related to Tisza.|
- Backabanat.com, About Tisza
- Historia.hu, the Living Tisza (in Hungarian)
- River Basin Report: Tisza River Ywat.org
- Awarded "EDEN - European Destinations of Excellence" non traditional tourist destination 2010