Water On The Land - Unit 1b 0.0 / 5 ? GeographyWater and riversGCSEAQA Created by: Amber RondelCreated on: 26-03-13 12:04 What is Deposition? When a river drops eroded material. 1 of 17 What is Transportation? The movement of eroded material. 2 of 17 What are the four processes of erosion? Hydraulic action, abrasion, attrition and solution. 3 of 17 Whats the start and end of a river? Source and Mouth. 4 of 17 What are the two types of erosion? Vertical erosion and lateral erosion. 5 of 17 What is river discharge? The volume of water flowing in the river. 6 of 17 Name something that river discharge is affected by. Amount and type of rainfall, previous weather conditions, land use, temperature, rock type or relief (how the height of land use changes). 7 of 17 Name a human factor that causes flooding. Deforestation or building construction. 8 of 17 What are the two types or strategies used to deal with flooding? Hard engineering - Man made structures built to control the flow or rivers and reduce flooding. 9 of 17 What are meanders formed by? By erosion and deposition. 10 of 17 What are Ox-Bow lakes formed by? By meanders. 11 of 17 How are waterfalls and gorges formed? By erosion. 12 of 17 How are flood plains and levees formed? By deposition. 13 of 17 What are flood plains? A wide valley floor on either side of the river which occasionally gets flooded. 14 of 17 What are levees? Natural embankments (raised areas) along edges of a river channel. 15 of 17 Which course of the river are flood plains and levees on? The lower course. 16 of 17 Which course of the river are waterfalls on? The upper course. 17 of 17
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