River Erosion and Transportation Processes 5.0 / 5 based on 2 ratings ? GeographyWater and riversGCSEAQA Created by: mollblakeCreated on: 17-05-15 11:12 Attrition (erosion) Material is moved along the bed of a river, collides with other material and breaks up into smaller pieces. 1 of 8 Corrasion (erosion) Fine material rubs against the river bank. The bank is worn away by a sand-papering action called abrasion and collapses. 2 of 8 Corrosion (erosion) Rocks forming the river banks and bed are dissolved by acids in the water. Also called solution. 3 of 8 Hydraulic Action (erosion) The sheer force of the water hitting the banks of the river. 4 of 8 Traction (transportation) Large rocks and boulders are dragged along the river bed. 5 of 8 Saltation (transportation) Smaller stones are bounced along the river bed in a leap-frogging motion. 6 of 8 Suspension (transportation) Fine material, light enough to be carried by the river - discolours water. 7 of 8 Solution (transportation) Dissolved material is transported by the river. 8 of 8
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