River Topic 0.0 / 5 ? GeographyWater and riversGCSEAQA Created by: mirandabolton47Created on: 15-10-17 12:47 In what course does an Estuary form? The lower course. 1 of 20 Where are you likely to find a river cliff? On the outside of a meander where the fastest flowing water (Thalweg) is located. 2 of 20 What does impermeable mean? That a surface doesnt allow water to pass through. 3 of 20 What is the landform that is left when a waterfall retreats? A gorge. 4 of 20 Where is the river discharge at its smallest? The upper course, near the source. 5 of 20 What process occurs on the inside of a river bend? Deposition, as this is where the current is slowest, meaning it has less energy to carry sediment 6 of 20 During what conditions does a levee form? Flood conditions. 7 of 20 Over time, what habitat can a mudflat naturally develop into? A saltmarsh 8 of 20 What is discharge? The volume of water in a river at any moment in time. 9 of 20 What river landform is formed when a river meets harder rock in its course that is difficult for it to erode, so it winds around it? Interlocking Spurs. 10 of 20 What is Solution? When the river flows over limestone or chalk and slowly dissolves as it is soluble in mildly acidic river water 11 of 20 What is meant by the word Gradient? The change in the slope of the river bed. 12 of 20 What is the keyword to describe the speed at which the water is flowing through the channel? Velocity. 13 of 20 What is the keyword for when the heaviest material is rolled along the river bed? Traction 14 of 20 Saltation is? When sand-sized particles may be bounced along the river bed in a 'leap-frog' motion. 15 of 20 What is a drainage basin? The area of land drained by a river and its tributaires. 16 of 20 An estuary is formed when what type of water meets what? When salt water from the sea, meets fresh water from the river. 17 of 20 What is the hour of greatest rainfall in a storm called in terms of a flood hyrdrograph? Peak rainfall. 18 of 20 In what course are you likely to see a V-shaped valley? The upper course. 19 of 20 In what course is suspension the main form of transportation? The middle course. 20 of 20
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