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The protective embankment, or, in case of minor floods, the summer dyke ensures the protection against flood damage.
dyke, dam, defence, flood, floodplain, cross section of a floodplain, raised dam, river bed, geography
The huge dam built on the Colorado river in the US was named after a former American President.
This animation demonstrates the most important relief features, surface waters and their relevant symbols.
River locks make rivers with great level differences safe for boating.
Rivers play an important role in shaping the Earth's surface: they cause erosion as well as carrying and depositing sediment.
The desalination process produces drinking water from seawater.
Water on Earth is in a continuous state of change. The water cycle includes processes such as evaporation, precipitation, melting and freezing.
Remarkable civil engineering works to continue the Netherland's centuries-long fight against the sea.
Tidal power stations utilise the daily fluctuation of the water level for producing electricity.
Tsunami waves are very high waves of immense destructive power.
Groundwater and aquifers are types of underground waters.
The main sources of water pollution are industry, agriculture and urban areas.
The water supply system provides clean and safe drinking water for the consumers.