Impact of Anthropogenic Activities in Rivers Upon Accuracy of Hydrological Forecasts and on Development of Forecasting Methodologies—Experiences from the Slovak-Hungarian Reach of Danube

by K. Hajtasova,
A. Svoboda,

Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water


The Danube, as an international river, crosses eight states of Europe. This calls for the need of close cooperation of the Danubian countries, particularly for operational forecasts issuance, mainly for river navigation, and flood protection and control. Forecasts for the Slovak, and for the common Slovak Hungarian river reach depend primarily upon the information from the upstream Danube sections located in Austria and Germany and upon the information from their main tributaries. These sections, in the recent years, have undergone intensive changes due to the construction of hydro-power plants and weirs (ten in number since 1959), as well as the intensive changes in the land use in catch ments of their main tributaries. Experience shows that the travel times from the upstream sections up to the forecasting point at Bratislava has been reduced considerably, and so has been also the accuracy of forecasts.

Subject Headings: Forecasting | Rivers and streams | Hydrology | Hydro power | Floods | Navigation (waterway) | Construction management | Power plants | Europe | Austria | Germany | Slovakia

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