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Inn
Inn , river, c.320 mi (515 km) long, rising near the Lake of Sils, SE Switzerland. It flows NE through the Engadine valley, then through W Austria, past Innsbruck and Solbad Hall (the head of navigation), and into S central Germany. The Inn forms part of the German-Austrian border before entering th...
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Tisza
Tisza , Serbian Tisa , Rus. Tissa or Tisa , Ger. Theiss (tīs), river, c.600 mi (970 km) long, formed by two headstreams in the Carpathians, W Ukraine. It flows generally S across E Hungary, past Szolnok and Szeged, into N Serbia, where it enters the Danube River E of Novi Sad. The Kö...
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Moesia
Moesia , ancient region of SE Europe, south of the lower Danube River. Inhabited by Thracians, it was captured by the Romans in 29 BC It was later organized as a Roman province, comprising roughly what is now Serbia (Upper Moesia) and Bulgaria (Lower Moesia). Under the empire Roman colonies flourish...
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Main
Main , river, c.310 mi (500 km) long, formed near Kulmbach, E central Germany, by the confluence of the Roter Main and the Weisser Main, both of which rise in the Fichtelgebirge. It then winds generally west through the rich farmland of central Germany and past the industrial areas of Schweinfurt, W...
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Prut
Prut or Pruth , river, c.530 mi (850 km) long, rising in the Carpathian Mts., W Ukraine, and flowing generally SE to the Danube River at Reni. It forms the border between Romania and Moldova. The Prut is navigable to Leovo. By the Peace of the Pruth (1711) Peter I of Russia restored Azov to the ...
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river
river stream of water larger than a brook or creek. Land surfaces are never perfectly flat, and as a result the runoff after precipitation tends to flow downward by the shortest and steepest course in depressions formed by the intersection of slopes. Runoffs of sufficient volume and velocity join t...
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levee
levee [Fr.,=raised], embankment built along a river to prevent flooding by high water. Levees are the oldest and the most extensively used method of flood control. They are constructed by piling earth on a surface that has been cleared of vegetation and leveled. From a broad base the levee narrow...
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flood
flood inundation of land by the rise and overflow of a body of water. Floods occur most commonly when water from heavy rainfall, from melting ice and snow, or from a combination of these exceeds the carrying capacity of the river system, lake, or ocean into which it runs. Usually the combined flow ...
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floodplain
floodplain level land along the course of a river formed by the deposition of sediment during periodic floods. Floodplains contain such features as levees, backswamps, delta plains, and oxbow lakes. Floodplains may be extensive, such as below the conflux of the Ohio and the Mississippi, where the...
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Klosterneuburg
Klosterneuburg , city (1991 pop. 24,442), Lower Austria prov., NE Austria, on the Danube River and the north slope of the Wienerwald, near Vienna. Klosterneuburg was port of Vienna from 1938 until 1954, when it was returned to Niederöstereich. It is the site of a wealthy Augustinian monastery (...
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