Английская Википедия:Danube

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Шаблон:Short description Шаблон:About Шаблон:Redirect Шаблон:Use dmy dates Шаблон:Use American English Шаблон:Infobox river Шаблон:River Danube routemap

The Danube (Шаблон:IPAc-en Шаблон:Respell; Шаблон:Small) is the second-longest river in Europe, after the Volga in Russia. It flows through much of Central and Southeastern Europe, from the Black Forest south into the Black Sea. A large and historically important river, it was once a frontier of the Roman Empire. In the 21st century, it connects ten European countries, running through their territories or marking a border. Originating in Germany, the Danube flows southeast for Шаблон:Convert, passing through or bordering Austria, Slovakia, Hungary, Croatia, Serbia, Romania, Bulgaria, Moldova, and Ukraine. Among the many cities on the river are four national capitals: Vienna, Bratislava, Budapest, and Belgrade. Its drainage basin amounts to 817,000 km² and extends into nine more countries.

The Danube's longest headstream Breg rises in Furtwangen im Schwarzwald, while the river carries its name from its source confluence in Donaueschingen onwards. Since ancient times, the Danube has been a traditional trade route in Europe. Today, Шаблон:Convert of its total length are navigable. The Danube is linked to the North Sea via the Rhine–Main–Danube Canal, connecting the Danube at Kelheim with the Main at Bamberg. The river is also an important source of hydropower and drinking water.

The Danube river basin is home to such fish species as pike, zander, huchen, Wels catfish, burbot and tench. It is also home to numerous diverse carp and sturgeon, as well as salmon and trout. A few species of euryhaline fish, such as European seabass, mullet, and eel, inhabit the Danube Delta and the lower portion of the river.

Names and etymology

Other names

Шаблон:List to table Today the river carries its name from its source confluence in Donaueschingen onwards. Its longest headstream Breg rises in Furtwangen im Schwarzwald. The river was known to the ancient Greeks as the Шаблон:Lang (Шаблон:Lang)[1] from a root possibly also encountered in the ancient name of the Dniester (Шаблон:Lang in Latin, Шаблон:Lang in Greek) and akin to Iranic Шаблон:Lang 'swift' and Sanskrit Шаблон:Lang (Шаблон:Lang) 'swift', from the PIE Шаблон:PIE, Шаблон:PIE 'to flow'.[2]

In the Middle Ages, the Greek Шаблон:Lang was borrowed into Italian as Шаблон:Lang and into Turkic languages as Шаблон:Lang; the latter was further borrowed into Romanian as a regionalism (Шаблон:Lang).[2]

The Thraco-Phrygian name was Шаблон:Lang,[3] "the bringer of luck".[4]

The Middle Mongolian name for the Danube was transliterated as Tho-na in 1829 by Jean-Pierre Abel-Rémusat.[5]

The modern languages spoken in the Danube basin all use names related to Шаблон:Lang-la: Шаблон:Lang-de (Шаблон:IPA-de); Шаблон:Lang-ro (Шаблон:IPA-ro; via German);[6] Шаблон:Lang-bar; Шаблон:Lang-szl; Шаблон:Lang-hsb (Шаблон:IPA); Шаблон:Lang-cz (Шаблон:IPA-cs); Шаблон:Lang-sk (Шаблон:IPA-sk); Шаблон:Lang-pl (Шаблон:IPA-pl); Шаблон:Lang-hu (Шаблон:IPA-hu); Шаблон:Lang-sl (Шаблон:IPA-sl); Шаблон:Lang-sh-Latn-Cyrl (Шаблон:IPA-sh); Шаблон:Lang-bg (Шаблон:IPA-bg); Шаблон:Lang-ru (Шаблон:IPA-ru); Шаблон:Lang-uk (Шаблон:IPA-uk); Шаблон:Lang-gr (Шаблон:IPA-el); Шаблон:Lang-it (Шаблон:IPA-it); Шаблон:Lang-es; (Шаблон:IPA-es); Шаблон:Lang-tr; Шаблон:Lang-rm; Шаблон:Lang-sq, Шаблон:Lang-sq-definite.[7]

Etymology

Danube is an Old European river name derived from the Celtic 'danu' or 'don'[8] (both Celtic gods), which itself derived from the Proto-Indo-European Шаблон:PIE. Other European river names from the same root include the Dunaj, Dzvina/Daugava, Don, Donets, Dnieper, Dniestr, Dysna and Tana/Deatnu. In Rigvedic Sanskrit, dānu (दनु) means "fluid, dewdrop" and dānuja (दनु-ज) means "born from dānu" or "born from dew-drops". In Avestan, the same word means "river". The Finnish word for Danube is Шаблон:Wikt-lang, which is most likely derived from the name of the river in German, Шаблон:Lang. Its Sámi name Шаблон:Lang means "Great River". It is possible that Шаблон:Lang in Scythian as in Avestan was a generic word for "river": Dnieper and Dniestr, from Danapris and Danastius, are presumed to continue Scythian Шаблон:Lang "far river" and Шаблон:Lang "near river", respectively.[9]

In Latin, the Danube was variously known as Шаблон:Lang, Шаблон:Lang, Шаблон:Lang[10] or Hister. The Latin name is masculine, as are all its Slavic names, except Slovene (the name of the Rhine is also masculine in Latin, most of the Slavic languages, as well as in German). The German Шаблон:Lang (Early Modern German Шаблон:Lang, Шаблон:Lang,[11] Middle High German Шаблон:Lang)[12] is feminine, as it has been re-interpreted as containing the suffix -ouwe "wetland".

Romanian differs from other surrounding languages in designating the river with a feminine term, Шаблон:Lang (Шаблон:IPA-ro).[2] This form was not inherited from Latin, although Romanian is a Romance language.[6] To explain the loss of the Latin name, scholars who suppose that Romanian developed near the large river propose[6] that the Romanian name descends from a hypothetical Thracian Шаблон:Lang. The Proto-Indo-European root of this presumed name is related to the Iranic word "Шаблон:Lang"/"Шаблон:Lang", while the supposed suffix Шаблон:Lang is encountered in the ancient name of the Ialomița River, Naparis, and in the unidentified Miliare river mentioned by Jordanes in his Getica.[2] Gábor Vékony says that this hypothesis is not plausible, because the Greeks borrowed the Istros form from the native Thracians.[6] He proposes that the Romanian name is a loanword from a Turkic language (Cuman or Pecheneg).[6]

Geography

Файл:Danube basin.png
The Danube basin
Файл:Bregquelle 01.jpg
The hydrogeographical source of the Danube at St. Martin's Chapel in Furtwangen im Schwarzwald: the Bregquelle, the source of the Danube's longest headstream, the Breg, where the Danube is symbolized by the Roman allegory for the river, Danuvius.
Файл:Donauquelle Donaueschingen im Sommer.jpg
The symbolical source of the Danube in Donaueschingen: the source of the Donaubach (Danube Brook), which flows into the Brigach.

Classified as an international waterway, it originates in the town of Donaueschingen, in the Black Forest of Germany, at the confluence of the rivers Brigach and Breg. The Danube then flows southeast for about Шаблон:Cvt, passing through four capital cities (Vienna, Bratislava, Budapest, and Belgrade) before emptying into the Black Sea via the Danube Delta in Romania and Ukraine.

Once a long-standing frontier of the Roman Empire, the river passes through or touches the borders of 10 countries: Romania (29.0% of basin area), Hungary (11.6%), Serbia (10.2%), Austria (10.0%), Germany (7.0%), Bulgaria (5.9%), Slovakia (5.9%), Croatia (4.4%), Ukraine (3.8%), and Moldova (1.6%).[13] Its drainage basin extends into nine more (ten if Kosovo is included).

Drainage basin

In addition to the bordering countries (see above), the drainage basin includes parts of nine more countries: Bosnia and Herzegovina (4.6% of the basin area), the Czech Republic (2.9%), Slovenia (2.0%), Montenegro (0.9%), Switzerland (0.2%), Italy (<0.15%), Poland (<0.1%), North Macedonia (<0.1%) and Albania (<0.1%).[13] The total drainage basin is Шаблон:Convert in area,Шаблон:GeoQuelleШаблон:GeoSource and is home to 83 million people.[14] The highest point of the drainage basin is the summit of Piz Bernina at the Italy–Switzerland border, at Шаблон:Convert.[15] The Danube River Basin is divided into three main parts, separated by "gates" where the river is forced to cut through mountainous sections:[14]

Discharge

Mean annual discharge on the hydrological stations (period from 2000 to 2023); 1 - Reni, Isaccea; 2 - Silistra; 3 - Pristol; 4 - Batina, Bezdan; 5 - Nagymaros, Szob; 6 - Bratislava, Wolfsthal; 7 - Untergriesbach[16][17][18]

Year Mean annual discharge (m3/s)
1 2 3 4 5 6 7
2000 6,580.6 6,198.1 5,585.9 2,669.4 2,627.2 2,337.9 1,667.2
2001 6,304.3 5,919.4 5,421.8 2,432.5 2,382.3 2,231.3 1,627.6
2002 6,837.1 6,100.1 5,392 2,824.9 2,855.6 2,683 1,803.9
2003 5,021 4,571 3,825 1,786 1,722 1,647 1,153
2004 6,524 6,088 5,233 2,025 2,013 1,852 1,213
2005 8,711 7,659 6,396 2,420 2,329 2,115 1,359
2006 8,428 7,370 6,616 2,110 2,503 2,186 1,396
2007 5,626 5,195 4,512 2,182 2,136 1,916 1,287
2008 5,909 5,358 4,736 2,163 2,079 1,876 1,339
2009 6,492 5,990 5,412 2,607 2,441 2,186 1,433
2010 9,598 8,515 7,424 2,879 2,615 2,130 1,420
2011 5,303 2,000
2012 5,053 2,240
2013 7,164 6,558 5,946 2,863 2,684 2,417 1,671
2014 7,446 6 901 5,756 2,198 2,036 1,788 1,237
2015 6,138 5,722 4,971 2,030 1,903 1,629 1,240
2016 6,465 5,993 5,339 2,261 2,196 1,944 1,412
2017 5,202 4,813 4,270 2,143 2,041 1,844 1,307
2018 6,487.8 5,875.5 4,891 1,906.3 1,808.1 1,644.1 1,227.8
2019 5,579 5,168 4,593 2,253 2,114 1,962 1,446
2020 4,893.5 4,659 4,095 2,215 2,026 1,841 1,285
2021 5,998 5,505 4,696 2,178 2,028 1,838 1,304
2022 5,753 2,180
2023 6,623.8

Multiannual average, minimum and maximum discharge (water period from 1876 to 2010)[19]

Station Discharge (m3/s)
Min Mean Max
Ceatal Izmail 1,889 6,489 14,673
Reni, Isaccea 1,805 6,564 14,820
Zimnicea, Svishtov 1,411 6,018 14,510
Orșova 1,672 5,572 13,324
Veliko Gradište 1,461 5,550 14,152
Pančevo 1,454 5,310 13,080
Bogojevo 959 2,889 8,153
Bezdan, Batina 749 2,353 7,043
Mohács 667 2,336 7,227
Nagymaros, Szob 628 2,333 7,057
Bratislava 633 2,059 7,324
Vienna 506 1,917 6,062
Krems an der Donau 596 1,845 5,986
Linz 468 1,451 4,783
Hofkirchen 211 638 1,943
Regensburg 128 444 1,330
Ingolstadt 83 312 965
Ulm 6 38 153

Simulated water and suspended sediment results from climate-driven decadal study (with STD through specific decade)[20]

Water period Average precipitation

in the basin (mm)

Average temperature

in the basin (°C)

Average discharge

(m3/s)

Sediment load

(106 tons)

1530–1540 794 9.0 6,207 72.9
1650–1660 885 8.4 7,929 67,3
1709–1719 861 8.3 7,616 52.91
1770–1780 865 8.9 7,728 74.1
1940–1950 778 8.9 7,209 55.0
1960–1970 850 8.8 7,399 73.0
1975–1985 818 9.0 7,186 77.8
1990–2000 790 9.5 6,570 73.8

Discharge chronology

Historical average flow to the present day; Measured and reconstructed average water flows from 1742. The reconstructed and observed streamflow (Q – m3/s) at Ceatal Izmail for the 1742 to 2022:[21][22][23][24][25]

Year m3/s Year m3/s Year m3/s Year m3/s Year m3/s Year m3/s
Reconstructed
1742 5,780 1751 6,760 1761 6,470 1771 9,700 1781 5,830 1791 5,540
1743 5,355 1752 7,090 1762 6,510 1772 6,050 1782 6,470 1792 6,930
1744 5,370 1753 4,980 1763 5,950 1773 4,600 1783 7,930 1793 7,800
1745 4,940 1754 6,330 1764 6,280 1774 6,150 1784 8,400 1794 5,230
1746 7,140 1755 6,840 1765 6,130 1775 6,060 1785 7,610 1795 6,530
1747 5,850 1756 6,370 1766 8,530 1776 6,320 1786 6,570 1796 6,460
1748 6,840 1757 6,830 1767 6,850 1777 5,530 1787 6,980 1797 6,700
1749 6,690 1758 8,410 1768 8,400 1778 7,470 1788 5,860 1798 6,560
1750 5,180 1759 5,520 1769 5,720 1779 6,600 1789 7,190 1799 9,590
1760 6,840 1770 10,700 1780 6,990 1790 6,940 1800 6,150
5,905 6,597 7,154 6,547 6,978 6,749
1801 7,310 1811 8,220 1821 6,390 1831 6,670 1841 6,210 1851 7,350
1802 6,590 1812 5,230 1822 5,700 1832 4,820 1842 5,340 1852 6,550
1803 6,870 1813 6,680 1823 6,520 1833 5,350 1843 6,710 1853 7,800
1804 6,220 1814 7,290 1824 6,420 1834 6,470 1844 6,960 1854 5,060
1805 7,010 1815 6,640 1825 8,040 1835 7,040 1845 7,440 1855 7,020
1806 6,830 1816 8,090 1826 5,800 1836 9,740 1846 6,750 1856 5,390
1807 7,000 1817 8,650 1827 6,650 1837 6,770 1847 7,070 1857 4,880
1808 5,600 1818 6,920 1828 8,140 1838 10,440 1848 5,620 1858 5,580
1809 7,150 1819 6,470 1829 8,280 1839 9,960 1849 5,360 1859 5,630
1810 8,430 1820 6,560 1830 7,790 1840 5,560 1850 7,360 1860 7,220
6,901 7,075 6,973 7,282 6,482 6,248
1861 5,980 1871 8,860 1881 8,320 1891 5,440 1901 5,570 1911 5,120
1862 5,040 1872 5,970 1882 5,130 1892 5,620 1902 5,650 1912 6,940
1863 3,340 1873 5,150 1883 7,590 1893 5,710 1903 5,490 1913 6,410
1864 6,150 1874 4,680 1884 5,250 1894 4,770 1904 4,940 1914 6,560
1865 5,690 1875 5,360 1885 5,430 1895 6,240 1905 6,100 1915 9,540
1866 3,780 1876 7,520 1886 5,660 1896 6,470 1906 6,190 1916 7,550
1867 6,350 1877 6,660 1887 5,340 1897 7,700 1907 6,770 1917 6,410
1868 5,660 1878 7,040 1888 6,800 1898 4,550 1908 4,400 1918 4,300
1869 5,370 1879 8,300 1889 6,530 1899 4,500 1909 5,590 1919 7,410
1870 7,470 1880 5,660 1890 4,650 1900 6,900 1910 7,450 1920 6,720
5,483 6,520 6,070 5,790 5,815 6,770
Observed
1921 3,906 1931 6,706 1941 9,916 1951 6,368 1961 5,860 1971 5,272
1922 6,530 1932 6,181 1942 7,266 1952 5,850 1962 6,628 1972 6,160
1923 6,430 1933 6,344 1943 4,308 1953 6,117 1963 6,047 1973 5,766
1924 6,700 1934 5,644 1944 7,190 1954 6,168 1964 5,259 1974 7,258
1925 5,255 1935 5,718 1945 5,870 1955 8,834 1965 8,400 1975 7,190
1926 8,144 1936 6,392 1946 4,684 1956 7,100 1966 7,954 1976 6,567
1927 5,990 1937 8,325 1947 5,418 1957 6,254 1967 7,500 1977 7,073
1928 5,005 1938 6,867 1948 6,357 1958 6,340 1968 5,660 1978 7,120
1929 5,330 1939 6,310 1949 4,301 1959 5,375 1969 7,710 1979 7,747
1930 5,197 1940 9,533 1950 5,130 1960 6,514 1970 9,602 1980 8,767
5,888 6,802 6,044 6,492 7,062 6,892
1981 8,172 1991 6,274 2001 6,304.3 2011 5,303 2021 6,018
1982 6,700 1992 5,710.8 2002 6,837.1 2012 5,053 2022 5,753
1983 5,543 1993 4,873 2003 5,021 2013 7,164 2023 6,623.8
1984 6,325 1994 6,031.8 2004 6,524 2014 7,446 2024
1985 6,449 1995 6,223.7 2005 8,711 2015 6,138 2025
1986 6,257 1996 7,035.8 2006 8,428 2016 6,465 2026
1987 6,619 1997 6,684.2 2007 5,626 2017 5,202 2027
1988 6,383 1998 6,804.6 2008 5,909 2018 6,487.8 2028
1989 5,448 1999 7,951.5 2009 6,492 2019 5,579 2029
1990 4,194 2000 6,580.6 2010 9,598 2020 4,893.5 2030
6,209 6,417 6,945 5,973 6,131.6
Multiannual average discharge 1742 to 2022: ~ 6,500 m3/s

Tributaries

Файл:Szeged-tisza3.jpg
The Tisza is the longest tributary of the Danube.

Шаблон:Main

The land drained by the Danube extends into many other countries. Many Danubian tributaries are important rivers in their own right, navigable by barges and other shallow-draught boats. From its source to its outlet into the Black Sea, its main tributaries are (as they enter):

  1. Iller (entering at Ulm)
  2. Lech
  3. Altmühl (entering at Kelheim)
  4. Naab (entering at Regensburg)
  5. Regen (entering at Regensburg)
  6. Isar
  7. Inn (entering at Passau)
  8. Ilz (entering at Passau)
  9. Enns
  10. Morava (entering near Devín Castle)
  11. Rába (entering at Győr)
  12. Váh (entering at Komárno)
  13. Hron (entering at Štúrovo)
  14. Ipeľ
  15. Sió
  16. Drava (entering near Osijek)
  17. Vuka (entering at Vukovar)

18. Tisza (entering near Titel)
19. Sava (entering at Belgrade)
20. Timiș (river) (entering at Pančevo)
21. Great Morava (entering near Smederevo)
22. Mlava (entering near Kostolac)
23. Karaš (entering near Banatska Palanka)
24. Jiu (entering at Bechet)
25. Iskar (entering near Gigen)
26. Olt (entering at Turnu Măgurele)
27. Osam (entering near Nikopol, Bulgaria)
28. Yantra (entering near Svishtov)
29. Argeș (entering at Oltenița)
30. Ialomița
31. Siret (entering near Galați)
32. Prut (entering near Galați)

Cities and towns

Файл:Aerial image of Passau.jpg
3-color confluence of (from left to right) Inn, Danube, and Ilz in Passau

The Danube flows through many cities, including four national capitals (shown below in bold), more than any other river in the world. Ordered from the source to the mouth they are:

Файл:Linz Ars electronica center lila DL.jpg
Danube in Linz, Austria
Файл:Bratislava Panorama R01.jpg
The Danube in Bratislava, Slovakia
Файл:Várhegy2.JPG
Basilica of Esztergom, Hungary
Файл:Petrovaradinska tvrđava, 12.jpg
Petrovaradin Fortress overlooking the Danube and Novi Sad, regional capital of Vojvodina in Serbia
Файл:Kalemegdanska terasa Apr 2011.jpg
Confluence of river Sava into the Danube beneath Fortress in Belgrade, capital of Serbia
Файл:Nikopol-danube.jpg
Danube at Nikopol, Bulgaria in winter
Файл:Cazaresulinaoras2.jpg
The Danube in Sulina, Romania

Шаблон:Wide image Шаблон:Wide image Шаблон:Wide image Шаблон:Wide image Шаблон:Wide image Шаблон:Wide image Шаблон:Wide image Шаблон:Wide image

Islands

Шаблон:Further

Файл:Budapest by air.jpg
Aerial view of Margaret Island, Budapest, Hungary. There are 15 bridges over the Danube in Budapest.
Файл:Belgrade Aerial K1.jpg
Great War Island in Belgrade, Serbia. It is located at the confluence of the Sava and Danube.
Файл:Ada Kaleh.jpg
The Ada Kaleh island in the Danube was forgotten during the peace talks at the Congress of Berlin in 1878, which allowed it to remain a de jure Turkish territory and the Ottoman Sultan Abdul Hamid II's private possession until the Treaty of Lausanne in 1923 (de facto until Romania unilaterally declared its sovereignty on the island in 1919 and further strengthened it with the Treaty of Trianon in 1920).[26][27] The island was submerged during the construction of the Iron Gates hydroelectric plant in 1970.

Sectioning

  • Upper Section: From spring to Devín Gate, at the border of Austria and Slovakia. Danube remains a characteristic mountain river until Passau, with average bottom gradient 0.0012% (12 ppm), from Passau to Devín Gate the gradient lessens to 0.0006% (6 ppm).
  • Middle Section: From Devín Gate to Iron Gate, at the border of Serbia and Romania. The riverbed widens and the average bottom gradient becomes only 0.00006% (0.6 ppm).
  • Lower Section: From Iron Gate to Sulina, with average gradient as little as 0.00003% (0.3 ppm).

Modern navigation

Шаблон:Expand section

Файл:Parliament Budapest Hungary.jpg
The Danube in Budapest
Файл:DanubedeltaSulinaarm2.jpg
Fisherman in the Danube Delta
Файл:Freight-ship-danube-320x240.ogg
Freight ship on the Danube near Vienna

The Danube is navigable by ocean ships from the Black Sea to Brăila in Romania (the maritime river sector), and further on by river ships to Kelheim, Bavaria, Germany; smaller craft can navigate further upstream to Ulm, Württemberg, Germany. About 60 of its tributaries are also navigable.

Since the completion of the German Rhine–Main–Danube Canal in 1992, the river has been part of a trans-European waterway from Rotterdam on the North Sea to Sulina on the Black Sea, a distance of Шаблон:Convert. In 1994 the Danube was declared one of ten Pan-European transport corridors, routes in Central and Eastern Europe that required major investment over the following ten to fifteen years.Шаблон:Cn The amount of goods transported on the Danube increased to about 100 million tons in 1987. In 1999, transport on the river was made difficult by the NATO bombing of three bridges in Serbia during the Kosovo War. Clearance of the resulting debris was completed in 2002, and a temporary pontoon bridge that hampered navigation was removed in 2005.Шаблон:Cn

At the Iron Gate, the Danube flows through a gorge that forms part of the boundary between Serbia and Romania; it contains the Iron Gate I Hydroelectric Power Station dam, followed at about Шаблон:Convert downstream (outside the gorge) by the Iron Gate II Hydroelectric Power Station. On 13 April 2006, a record peak discharge at Iron Gate Dam reached Шаблон:Convert.

There are three artificial waterways built on the Danube: the Danube-Tisa-Danube Canal (DTD) in the Banat and Bačka regions (Vojvodina, northern province of Serbia); the Шаблон:Convert Danube-Black Sea Canal, between Cernavodă and Constanța (Romania) finished in 1984, shortens the distance to the Black Sea by Шаблон:Convert; the Rhine–Main–Danube Canal is about Шаблон:Convert, finished in 1992, linking the North Sea to the Black Sea.[28] A Danube-Aegean canal has been proposed.[29]

Danube River cruise for sightseeing is popular, especially between Passau, Germany, to Budapest, Hungary.[30]

Piracy

In 2010–12, shipping companies, especially from Ukraine, claimed that their vessels suffered from "regular pirate attacks" on the Serbian and the Romanian stretches of the Danube.[31][32][33] However, the transgressions may not be considered acts of piracy, as defined according to the United Nations Convention on the Law of the Sea, but rather instances of "river robbery".[34]

On the other hand, media reports say the crews on transport ships often steal and sell their own cargo and then blame the plundering on "pirates", and the alleged attacks are not piracy but small-time contraband theft along the river.[35]

Danube Delta

Шаблон:Main

Файл:Вилково, Дунайские плавни 1962 г.JPG
Russian-speaking Lipovans in the Danube Delta

The Danube Delta (Шаблон:Lang-ro Шаблон:IPA-ro; Шаблон:Lang-uk) is the largest river delta in the European Union. The greater part of the Danube Delta lies in Romania (Tulcea county), while its northern part, on the left bank of the Chilia arm, is situated in Ukraine (Odesa Oblast). The approximate surface is Шаблон:Convert, of which Шаблон:Convert are in Romania. If one includes the lagoons of Razim-Sinoe (Шаблон:Convert of which Шаблон:Convert water surface), which are located south of the delta proper, but are related to it geologically and ecologically (their combined territory is part of the World Heritage Site), the total area of the Danube Delta reaches Шаблон:Convert.

The Danube Delta is also the best-preserved river delta in Europe, a UNESCO World Heritage Site (since 1991) and a Ramsar Site. Its lakes and marshes support 45 freshwater fish species. Its wetlands support vast flocks of migratory birds of over 300 species, including the endangered pygmy cormorant (Phalacrocorax pygmaeus). These are threatened by rival canalization and drainage schemes such as the Bystroye Canal.[36]

2022 heat wave

In 2022, there was a major heat wave in Europe. As a result, there was less water flowing in the rivers. As the water level decreased, a number of ship wrecks from World War II emerged in the Danube River. Many of the ships were from Nazi Germany's Black Sea Fleet and had been scuttled to stop them from falling into enemy hands.[37]

International cooperation

Ecology and environment

Шаблон:Main

Файл:Pelicani din Delta Dunarii.PNG
Pelicans in the Danube Delta, Romania

The International Commission for the Protection of the Danube River (ICPDR) is an organization that consists of 14 member states (Germany, Austria, the Czech Republic, Slovakia, Slovenia, Hungary, Croatia, Bosnia and Herzegovina, Serbia, Bulgaria, Romania, Moldova, Montenegro, and Ukraine) and the European Union. The commission, established in 1998, deals with the whole Danube river basin, which includes tributaries and groundwater resources. Its goal is to implement the Danube River Protection Convention by promoting and coordinating sustainable and equitable water management, including conservation, improvement, and rational use of waters and the implementation of the EU Water Framework Directive and the Danube Strategy.

Navigation

Шаблон:Main The Danube Commission is concerned with the maintenance and improvement of the river's navigation conditions. It was established in 1948 by seven countries bordering the river. Members include representatives from Austria, Bulgaria, Croatia, Germany, Hungary, Moldova, Slovakia, Romania, Russia, Ukraine, and Serbia; it meets regularly twice a year. It also convenes groups of experts to consider items provided for in the commission's working plans.

The commission dates to the Paris Conferences of 1856 and 1921, which established for the first time an international regime to safeguard free navigation on the Danube. Today the Commission include riparian and non-riparian states.

Geology

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Iron Gates, Serbia-Romania border
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Iron Gate II Hydroelectric Power Station, Romania-Serbia

Although the headwaters of the Danube are relatively small today, geologically, the Danube is much older than the Rhine, with which its catchment area competes in today's southern Germany. This has a few interesting geological complications. Since the Rhine is the only river rising in the Alps mountains which flows north towards the North Sea, an invisible line beginning at Piz Lunghin divides large parts of southern Germany, which is sometimes referred to as the European Watershed.

Before the last ice age in the Pleistocene, the Rhine started at the southwestern tip of the Black Forest, while the waters from the Alps that today feed the Rhine were carried east by the so-called Urdonau (original Danube). Parts of this ancient river's bed, which was much larger than today's Danube, can still be seen in (now waterless) canyons in today's landscape of the Swabian Alb. After the Upper Rhine valley had been eroded, most waters from the Alps changed their direction and began feeding the Rhine. Today's upper Danube is thus an underfit stream.

Файл:Danube Iron Gorge La Cazane.JPG
The Iron Gate, on the Serbian-Romanian border (Iron Gates natural park and Đerdap national park)

Since the Swabian Alb is largely shaped of porous limestone, and since the Rhine's level is much lower than the Danube's, today subsurface rivers carry much water from the Danube to the Rhine. On many days in the summer, when the Danube carries little water, it completely oozes away noisily into these underground channels at two locations in the Swabian Alb, which are referred to as the Donauversickerung (Danube Sink). Most of this water resurfaces only Шаблон:Convert south at the Aachtopf, Germany's wellspring with the highest flow, an average of Шаблон:Convert, north of Lake Constance—thus feeding the Rhine. The European Water Divide applies only for those waters that pass beyond this point, and only during the days of the year when the Danube carries enough water to survive the sinkholes in the Donauversickerung.

Since such large volumes of underground water erode much of the surrounding limestone, it is estimated that the Danube upper course will one day disappear entirely in favor of the Rhine, an event called stream capturing.

The hydrological parameters of Danube are regularly monitored in Croatia at Batina, Dalj, Vukovar and Ilok.[38]

History

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Combat between Russian and Turkish forces on the Danube in 1854, during the Crimean War (1853–1856)

The Danube basin was the site of some of the earliest human cultures. The Danubian Neolithic cultures include the Linear Pottery cultures of the mid-Danube basin. Many sites of the sixth-to-third millennium BCE Vinča culture, (Vinča, Serbia) are sited along the Danube. The third millennium BCE Vučedol culture (from the Vučedol site near Vukovar, Croatia) is famous for its ceramics.

Darius the Great, king of Persia, crossed the river in the late 6th century BCE to invade European Scythia and to subdue the Scythians.

Alexander the Great defeated the Triballian king Syrmus and the northern barbarian Thracian and Illyrian tribes by advancing from Macedonia as far as the Danube in 336 BCE.

Under the Romans, the Danube formed the border of the Empire with the tribes to the north almost from its source to its mouth. At the same time, it was a route for the transport of troops and the supply of settlements downstream. From 37 CE to the reign of the Emperor Valentinian I (364–375) the Danubian Limes was the northeastern border of the Empire, with occasional interruptions such as the fall of the Danubian Limes in 259. The crossing of the Danube into Dacia was achieved by the Imperium Romanum, first in two battles in 102 and then in 106 after the construction of a bridge in 101 near the garrison town of Drobeta at the Iron Gate. This victory over Dacia under Decebalus enabled the Province of Dacia to be created, but in 271 it was abandoned by emperor Aurelian.

Avars used the river as their southeastern border in the 6th century.

Ancient cultural perspectives of the lower Danube

Part of the rivers Danubius or Istros was also known as (together with the Black Sea) the Okeanos in ancient times, being called the Okeanos Potamos (Okeanos River). The lower Danube was also called the Keras Okeanoio (Gulf or Horn of Okeanos) in the Argonautica by Apollonius Rhodos (Argon. IV. 282).

At the end of the Okeanos Potamos, is the holy island of Alba (Leuke, Pytho Nisi, Isle of Snakes), sacred to the Pelasgian (and later, Greek) Apollo, greeting the sun rising in the east. Hecateus Abderitas refers to Apollo's island from the region of the Hyperboreans, in the Okeanos. It was on Leuke, in one version of his legend, that the hero Achilles was buried (to this day, one of the mouths of the Danube is called Chilia). Old Romanian folk songs recount a white monastery on a white island with nine priests.[39]

Rivalry along the Danube

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The Holy League took Ottoman-held Buda after a long siege in 1686

Between the late 14th and late 19th centuries, the Ottoman Empire competed first with the Kingdom of Serbia, Second Bulgarian Empire, Kingdom of Hungary, Principality of Wallachia, Principality of Moldavia and later with the Austrian Habsburgs, Polish–Lithuanian Commonwealth, and Russian Empire for controlling the Danube (Tuna in Turkish), which became the northern border of the Ottoman Empire for centuries. Many of the Ottoman–Hungarian Wars (1366–1526) and Ottoman–Habsburg wars (1526–1791) were fought along the river.

The most important wars of the Ottoman Empire along the Danube include the Battle of Nicopolis (1396), the Siege of Belgrade (1456), the Battle of Mohács (1526), the first Turkish Siege of Vienna (1529), the Siege of Esztergom (1543), the Long War (1591–1606), the Battle of Vienna (1683), the Great Turkish War (1683–1699), the Crimean War (1853–1856) and the Russo-Turkish War (1877–1878).

Second World War

During the 2011 renovation of the Margaret Bridge, Budapest, human remains were discovered. The mostly Jewish remains were victims of the far-right Arrow Cross Party, who briefly governed Hungary from 1944.[40]

Economics

Drinking water

Along its course, the Danube is a source of drinking water for about 20 million people.[41][42] In Baden-Württemberg, Germany, almost 30 percent (as of 2004) of the water for the area between Stuttgart, Bad Mergentheim, Aalen and Alb-Donau (district) comes from purified water of the Danube. Other cities such as Ulm and Passau also use some water from the Danube.

In Austria and Hungary, most water is drawn from ground and spring sources, and only in rare cases is water from the Danube used. Most states also find it too difficult to clean the water because of extensive pollution; only parts of Romania where the water is cleaner still obtain drinking water from the Danube on a regular basis.[43]

Navigation and transport

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Fishing from a Zille on the Danube in Lower Austria, 1982

In the 19th century, the Danube was an important waterway but was, as The Times of London put it, "annually swept by ice that will lift a large ship out of the water or cut her in two as if she were a carrot."[44]

Today, as "Corridor VII" of the European Union, the Danube is an important transport route. Since the opening of the Rhine–Main–Danube Canal, the river connects the Port of Rotterdam and the industrial centers of Western Europe with the Black Sea and, also, through the Danube – Black Sea Canal, with the Port of Constanța.

The waterway is designed for large-scale inland vessels (Шаблон:Nowrap) but it can carry much larger vessels on most of its course. The Danube has been partly canalized in Germany (5 locks) and Austria (10 locks). Proposals to build a number of new locks to improve navigation have not progressed, due in part to environmental concerns.

Downstream from the Freudenau locks in Vienna, canalization of the Danube was limited to the Gabčíkovo dam and locks near Bratislava and the two double Iron Gate locks in the border stretch of the Danube between Serbia and Romania. These locks have larger dimensions. Downstream of the Iron Gate, the river is free flowing all the way to the Black Sea, a distance of more than Шаблон:Convert.

The Danube connects with the Rhine–Main–Danube Canal at Kelheim, with the Donaukanal in Vienna, and with the Danube–Black Sea Canal at Cernavodă.

Apart from a couple of secondary navigable branches, the only major navigable rivers linked to the Danube are the Drava, Sava and Tisa. In Serbia, a canal network also connects to the river; the network, known as the Danube–Tisa–Danube Canals, links sections downstream.

In the Austrian and German sections of the Danube, a type of flat-bottomed boat called a Zille was developed for use along the river. Zillen are still used today for fishing, ferrying, and other transport of goods and people in this area.

Fishing

The importance of fishing on the Danube, which was critical in the Middle Ages, has declined dramatically. Some fishermen are still active at certain points on the river, and the Danube Delta still has an important industry. However, some of the river's resources have been managed in an environmentally unsustainable manner in the past, leading to damage by pollution, alterations to the channel, and major infrastructure development, including large hydropower dams.[45]

The sturgeon stocks associated with the Danube River basin have, over the centuries, formed the basis of a large and significant commercial fishery, renowned throughout the world. The construction of the dams, besides overfishing and river pollution, has a significant role in sturgeon population decline because it creates a barrier for fish migratory species that usually spawn in the upper parts of the river.[46] The spawning areas of migratory fishes species has been dramatically reduced by the construction of hydropower and navigation systems at Iron Gates I (1974) and Iron Gates II (1984).[47] The initial design of these dams has not included any fish passage facility.[48] The possibility of building a human-made fish pass enabling migration for fish species including the sturgeon, is currently under review by projects such as We Pass.[49]

The Upper Danube ecoregion alone has about 60 fish species and the Lower Danube–Dniester ecoregion has about twice as many.[50] Among these are an exceptionally high diversity of sturgeon, a total of six species (beluga, Russian sturgeon, bastard sturgeon, sterlet, starry sturgeon and European sea sturgeon), but these are all threatened and have largely–or entirely in the case of the European sea sturgeon–disappeared from the river.[50] The huchen, one of the largest species of salmon, is endemic to the Danube basin, but has been introduced elsewhere by humans.[51]

Tourism

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The ruins of Aggstein Castle above the Danube
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Wachau Valley near Spitz, Austria

Important tourist and natural spots along the Danube include the Wachau Valley, the Nationalpark Donau-Auen in Austria, Gemenc in Hungary, the Naturpark Obere Donau in Germany, Kopački rit in Croatia, Iron Gate in Serbia and Romania, the Danube Delta in Romania, and the Srebarna Nature Reserve in Bulgaria.

Also, leisure and travel cruises on the river are of significance. Besides the often frequented route between Vienna and Budapest, some ships even go from Passau in Germany to the Danube Delta and back. During the peak season, more than 70 cruise liners are in use on the river, while the traffic-free upper parts can only be discovered with canoes or boats.

The Danube region is not only culturally and historically of importance, but also important for the regional tourism industry due to its fascinating landmarks and sights. With its well established infrastructure regarding cycling, hiking, and travel possibilities, the region along the Danube attracts every year an international clientele. In Austria alone, there are more than 14 million overnight stays and about 6.5 million arrivals per year.[52]

The Danube Banks in Budapest are a part of Unesco World Heritage sites, they can be viewed from a number of sightseeing cruises offered in the city.

The Danube Bend is also a popular tourist destination.

Danube Bike Trail

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The Danube Bike Trail running along the Schlögener Schlinge
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The Danube Bike Trail leading through the city of Linz

The Danube Bike Trail (also called Danube Cycle Path or the Donauradweg) is a bicycle trail along the river. Especially the parts through Germany and Austria are very popular, which makes it one of the 10 most popular bike trails in Germany.[53]

The Danube Bike Trail starts at the origin of the Danube and ends where the river flows into the Black Sea. It is divided into four sections:

  1. DonaueschingenPassau (Шаблон:Convert)
  2. PassauVienna (Шаблон:Convert)
  3. ViennaBudapest (Шаблон:Convert)
  4. BudapestBlack Sea (Шаблон:Convert)

Sultans Trail

The Sultans Trail is a hiking trail that runs along the river between Vienna and Smederevo in Serbia. From there the Sultans Trail leaves the Danube, terminating in Istanbul. Sections along the river are as follows.

  1. ViennaBudapest (Шаблон:Convert)
  2. BudapestSmederevo (Шаблон:Convert)

Donausteig

Файл:Donausteig Rastplatz.jpg
Resting area along the Donausteig hiking trail near Bad Kreuzen

In 2010, the Donausteig, a hiking trail from Passau to Grein, was opened. It is Шаблон:Convert long and it is divided into 23 stages. The route passes through five Bavarian and 40 Austrian communities. A landscape and viewpoints, which are along the river, are the highlights of the Donausteig.[54]

The Route of Emperors and Kings

The Route of Emperors and Kings is an international touristic route leading from Regensburg to Budapest, calling in Passau, Linz and Vienna.[55] The international consortium ARGE Die Donau-Straße der Kaiser und Könige, comprising ten tourism organisations, shipping companies, and cities, strives for the conservation and touristic development of the Danube region.[52]

In medieval Regensburg, with its maintained old town, stone bridge and cathedral, the Route of Emperors and Kings begins. It continues to Engelhartszell, with the only Trappist monastery in Austria. Further highlight-stops along the Danube, include the "Schlögener Schlinge", the city of Linz, which was European Capital of Culture in 2009 with its contemporary art richness, the Melk Abbey, the university city of Krems and the cosmopolitan city of Vienna. Before the Route of Emperors and Kings ends, you pass Bratislava and Budapest, the latter of which was seen as the twin town of Vienna during the times of the Austro-Hungarian Empire. Since ancient Roman times, famous emperors and their retinue traveled on and along the Danube and used the river for travel and transportation. While traveling on the mainland was quite exhausting, most people preferred to travel by ship on the Danube. So the Route of Emperors and Kings was the setting for many important historical events, which characterize the Danube up until today.

The route got its name from the Holy Roman Emperor Frederick I of Barbarossa and the crusaders as well as from Richard I of England who had been jailed in the Dürnstein Castle, which is situated above the Danube. The most imperial journeys throughout time were those of the Habsburg family. Once crowned in Frankfurt, the emperors ruled from Vienna and also held in Regensburg the Perpetual Diet of Regensburg. Many famous castles, palaces, residences, and state-run convents were built by the Habsburger along the river. Nowadays they still remind us of the bold architecture of the "Donaubarock".

Today, people can not only travel by boat on the Danube but also by train, by bike on the Danube Bike Trail or walk on the "Donausteig" and visit the UNESCO World Heritage cities of Regensburg, Wachau and Vienna.[56]

Important national parks

In popular culture

Шаблон:Prose

Файл:Albrecht Altdorfer 007.jpg
16th-century Danube landscape near Regensburg, by Albrecht Altdorfer – a member of the Danube school

See also

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References

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External links

Шаблон:Wikivoyage Шаблон:Commons Шаблон:EB1911 Poster

Шаблон:Danube Шаблон:Hydrography of Slovakia Шаблон:Rivers of Ukraine Шаблон:Hydrography of Croatia Шаблон:Authority control

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