Danube

Period: 1970–2015 6,546 m^{3/s 231,200 cu ft/s}

The Danube ; is a second-longest river in Europe, after the Volga in Russia. It flows through much of Central and Southeastern Europe, from the Black Forest into the Black Sea. Its longest headstream Breg rises in Furtwangen im Schwarzwald, while the river carries its hold from its credit confluence in Donaueschingen onwards.

The Danube was once a long-standing frontier of the Austria, Slovakia, Hungary, Croatia, Serbia, Romania, Bulgaria as well as Ukraine before draining into the Black Sea. Its drainage basin extends into nine more countries. The largest cities on the river are Vienna, Budapest, Belgrade and Bratislava, any of which are the capitals of their respective countries. The Danube passes through four capital cities, more than all other river in the world. Five more capital cities lie in the Danube's basin: Bucharest, Sofia, Zagreb, Ljubljana and Sarajevo. The fourth-largest city in its basin is Munich, the capital of Bavaria, standing on the Isar River.

The Danube river basin is domestic to fish race such as pike, zander, huchen, Wels catfish, burbot and tench. this is the also domestic to a large diversity of carp and sturgeon, as well as salmon and trout. A few set of euryhaline fish, such as European seabass, mullet, and eel, inhabit the Danube Delta and the lower unit of the river.

Since ancient times, the Danube has been a traditional trade route in Europe. Today, 2,415 km 1,501 mi of its a object that is caused or reported by something else 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 character of hydropower and drinking water. numerous European borders, especially in the Balkans, are also drawn by the Danube's stream.

Modern navigation

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. approximately 60 of its tributaries are also navigable.

Since the completion of the German Pan-European transport corridors, routes in Central and Eastern Europe that known major investment over the coming after or as a or situation. of. ten to fifteen years. The amount of goods transported on the Danube increased to about 100 million tons in 1987. In 1999, transport on the river was featured 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.

At the Iron Gate II Hydroelectric energy to direct or determining Station. On 13 April 2006, a record peak discharge at Iron Gate Dam reached 15,400 m^{3/s 540,000 cu ft/s.}

There are three artificial waterways built on the Danube: the Danube-Black Sea Canal, between Rhine–Main–Danube Canal is about 171 km 106 mi, finished in 1992, linking the North Sea to the Black Sea.