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Olt River represents one of the most complex hydrographic system, both in terms of the natural factors of the flow and the uses that influence the natural flow. Hydrometric stations on the main course provide good monitoring of the runoff. The most important uses are water supplies and reservoirs. The analysis refers to the degree of runoff influence and the type of influenced runoff. The degree of runoff influence is analysed at all seven hydrometric stations in absolute and relative values. The type of flow affected indicates relative constancy and does not change along the main course.

Olt River represents one of the most complex hydrographic system, both in terms of the natural factors of the flow and the uses that influence the natural flow. Hydrometric stations on the main course provide good monitoring of the runoff. The most important uses are water supplies and reservoirs. The analysis refers to the degree of runoff influence and the type of influenced runoff. The degree of runoff influence is analysed at all seven hydrometric stations in absolute and relative values. The type of flow affected indicates relative constancy and does not change along the main course. [ABSTRACT FROM AUTHOR]

In the last decades extreme water situations increasingly occurred on the Danube catchment area. In June, 2013 the highest flood wave of any time run off on the German, Austrian, Slovakian and Hungarian sections. During the floods in 2002 and 2006 on the upper Danube section new records were registered only until Budapest. In June, 2013, the Danube overstepped the maximum flood levels ever registered on almost the entire length in Hungary. From 2002 this was the fourth time the Danube overstepped the 800 cm level, in the 20th century this level was overstepped only two times by iceless floods. The water quantity could be maintained inside the high water bed and between the dams, it did not flood any settlements or any large areas. [ABSTRACT FROM AUTHOR]