Geography Rivers Questions solved

Geography Rivers Questions solved. Abrasion -Answer- a type of erosion involving rock particles being scraped against, and wearing away, the surface of other rocks. Attrition -Answer- a type of erosion involving rock fragments being ground together to become smaller, smoother and rounder. Confluence -Answer- the point where two rivers meet. Corrosion -Answer- a chemical process involving the dissolving away of sedimentary rocks. Drainage basin -Answer- an area of land which is drained by a single river and its tributaries. Erosion -Answer- the wearing away of land by a force. Water Wind or Ice Floodplain -Answer- the flat area either side of a river which is regularly flooded. Hydraulic Action -Answer- a process of erosion involving water and air trapped in cracks and crevices. Lower course -Answer- the stage of a river as it nears the sea, dominated by the process of deposition. Meander -Answer- a bend in a river found in its middle and lower courses. Middle course -Answer- the stage of a river between its upper and lower sections, containing a mixture of erosion and deposition. Mouth -Answer- the point where a river enters a sea, ocean or lake. Oxbow lake -Answer- the cut-off remnant of a meander found in the lower course of a river. Plunge pool -Answer- a deep pool which is formed by erosion at the base of a waterfall. Reservoir -Answer- a lake behind a dam. River basin -Answer- an area of land drained by a river and its tributaries. River cliff -Answer- a steep, undercut area on the outside of a river meander. Run-off -Answer- the movement of water across a surface. Saltation -Answer- the transport of sand in a hopping fashion in water or air. Slip-off slope -Answer- a gently-sloping area formed on the inside of a river meander. Solution -Answer- the transport of a soluble load in water. Source -Answer- the beginning of the river. Suspension -Answer- the transport of silt in water. Traction -Answer- the transport of boulders in a rolling motion in water. Transportation -Answer- the movement of eroded material. Tributary -Answer- a river joining a larger river. Upper course -Answer- the section of a river near its source, dominated by the processes of erosion. Waterfall -Answer- a point on a river where water falls vertically. Watershed -Answer- an area of highland separating river basins