Geography - Water on the Land A quiz about the Geography Unit called "Water on the Land" 0.0 / 5 ? GeographyWater and riversGCSEAQA Created by: MrBryceCreated on: 30-03-13 00:27 What does a 'Long Profile' of a river shows? Gradient changes over the different courses of a river 1 of 14 What does a 'Cross Section' of a river show? Cross section at ONE POINT in the river 2 of 14 What sentence best describes the Upper Course of the river? Steep Gradient with a V-Shaped, steep sided valley. Narrow and shallow channel. 3 of 14 Where is Vertical Erosion dominant? Upper Course 4 of 14 What are the 4 processes of Erosion? Hydraulic Action, Corrosion, Attrition and Abrasion 5 of 14 What is Attrition? Rocks tap against eachother making angular rocks become smooth 6 of 14 What is Saltation? Medium-sized rocks being bounced along the river bed 7 of 14 What are 'Levees'? Natural Embankments along the edge of a river channel 8 of 14 When does a waterfall form? When an area of hard rock is next to and above an area of soft rock with a river flowing across it 9 of 14 In what course of the river does a meander form? Middle and Lower 10 of 14 What is it called when a Ox-Bow Lake evaporates and dries up? Becomes an Ox-Bow Scar 11 of 14 What are the two human factors of flooding? Deforestation and Buildings 12 of 14 What is the 'Lag Time' on a Hydrograph Delay between peak rainfall and peak discharge 13 of 14 Pick the option where both options have deltas? River Nile and Mississippi River 14 of 14
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