Flood hazards 0.0 / 5 ? GeographyNatural hazardsGCSEWJEC Created by: E PearsonCreated on: 13-12-12 12:21 Which authority in the UK is responsible for flood warnings? The Environment Agency 1 of 15 What is Britain's longest river called? The River Severn 2 of 15 Do flood walls give a short-term or long-term solution? Short-term 3 of 15 What is a confluence? Where two rivers meet 4 of 15 What sort of graph shows how a river is affected by heavy rainfall? A flood hydrograph 5 of 15 When do flooding conditions occur? When the ground is saturated, frozen, the surface is impermeable and the rainfall is so intense it cannot all soak away. 6 of 15 Is groundwater slow or quick to reach rivers? Slow 7 of 15 Why do rivers continue to flow even during low rainfall? Because groundwater is slow to reach the rivers 8 of 15 Is crop destruction a short-term or long-term effect of a flood? Short-term 9 of 15 Is a river bursting its bank a short-term or long-term effect of a flood? Short-term 10 of 15 What is the long-term effect of a flood if a farmer has lost his crops? He cannot invest the income he has lost with the crops. 11 of 15 How could a local business be affected by flooding? Premises may need to be cleaned out, stock may be damaged and orders lots whilst they repair the damage. 12 of 15 How does paving a front garden affect flooding? Rainwater cannot permeate the paving and instead of soaking into the soil, it goes straight into storm drains. 13 of 15 What is run off? The water which flows when the soil has absorbed all it can. 14 of 15 What does impermeable mean? Not allowing fluid to pass through 15 of 15
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