Processes in the river River course. A river is divided up into three sections called courses. There is the upper, middle and a lower course. The water cycle. There are seven stages to this cycle evaporation, transpiration, condensation, precipitation, surface... Erosion. As a river travels .... WebRivers form part of the water cycle. They are a downward flow of water, under the force of gravity. Rivers shape the land through erosion, transportation and deposition. These . WebIn a river, erosion, deposition and the different materials carried, contribute to how rivers shape surrounding land. Erosion Erosion involves the wearing away of rock and soil . WebRiver processes Erosion, transportation and deposition all occur in a river. Moving from the upper course to the lower course, the rates of erosion, transportation and deposition . Web River processes Erosion - the wearing away of the land and the stones carried in the river. Transport - the movement of rocks, sand, and silt by the river. Deposition - the .