Rivers 0.0 / 5 ? GeographyRiversYears 7-9 (KS3)None Created by: Grace130809Created on: 20-03-22 10:48 What does interception mean? Interception is vegetation soaking up water. 1 of 17 How do humans impact the hydrological cycle? Humans impact the hydrological cycle by building impermeable surfaces such as tarmac and concrete. 2 of 17 What is a watershed? A watershed is a boundary that separates two drainage basins. 3 of 17 What is an estuary? Where a river meets the sea, this area is also tidal. 4 of 17 What is sediment? Sediment is material that is moved along by the river system. 5 of 17 What does long profile mean? The long profile is the shape f the land around a river. 6 of 17 What is helicoidal flow? Helicoidal flow is a continuous corkscrew motion of water along a river channel 7 of 17 What is a river cliff? A river cliff is a landform on the outside of a river caused by lateral erosion 8 of 17 What is undercutting? Undercutting is erosion under a layer of rock that creates an overhang. 9 of 17 What is vertical erosion? Vertical erosion is erosion at the bottom of a river channel 10 of 17 What are some human causes of of flooding? Deforestation and Construction 11 of 17 What are some physical causes of flooding? Prolonged Rainfall, Heavy Rainfall, Geology and Relief 12 of 17 What is Peak Discharge? Peak Discharge is the time of the highest water levels in the river. 13 of 17 What is a Rising Limb? The increase in the amount of water in a river after rainfall. 14 of 17 What are some flood impacts on humans? Death, contaminated water, power supplies cut off, services forced to close, transport damaged, homes damaged, possesions 15 of 17 What are some flood impacts on the economy? Lost income, insurance costs, repair costs. 16 of 17 What are some flood impacts on the environment? Habitats destroyed, polluted rivers, destroy crops, destroys natural flood defences, trees uprooted, 17 of 17
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