Valleys
The valleys are one of the most prominent features of the rivers and one of the most common landforms on the planet. The valleys are the result of the erosional power of water.
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The Kupa / Kolpa River
The Kupa / Kolpa River is a medium-sized river in Slovenia and Croatia, flowing in beautiful mountains in upper stretches and meandering in the plains.
Lost rivers
Lost rivers are Dinaric streams in karst, limestone landscape that disappear in the underground. They often flow in karst plains.
Rivers that disappear in the continents
A vast majority of rivers finish their journey to reach the sea. Some rivers, however, disappear in the continent don’t have an outlet to the sea. They are usually karstic lost rivers, or just dry up on the surface, either as an alluvial fan or …
Deltas – where river is pushing to the sea
Deltas are the mouth of the rivers to the sea with vast sediment deposits. They are vital, both for wildlife and for people.
Floodplains – equally important as main river channel
Floodplains are an integral part of the riverine systems. It is hydrologically connected to the main river channel but was historically neglected. Much of the world floodplains have been reduced or disconnected.
Meandering – when rivers snake in the landscape
Meandering is common in the rivers in the lower reaches of the rivers, where the river changes its course through time.
Braided Streams
One of the most beautiful shapes of the rivers, the braided streams are wider riverbeds where the water is flowing in several channels through the sediment. It is typical for middle stretches of the rivers.
Sediment deposition
Rivers and streams deposit sediment along the entire course, in the form of the bars, floodplain deposits, deltas, and rarely alluvial fans. Sediment deposition is important for creating and resetting new habitats.
The discharge: measuring the water flowing in the river
The discharge of a stream is the volume of water that flows past a given point in a unit of time. Usually, we measure the world rivers by its discharge to the sea.