Rivers and Flooding 0.0 / 5 ? GeographyWater and riversGCSEEdexcel Created by: EllieTampkinsCreated on: 11-05-17 18:38 Interception Zone The capture of rainwater by leaves and branches. Some evapourates again and the rest drips from the leaves to the soil. 1 of 16 Evapouration The changing of liquid into vapour or gas. Some rainfall is evapourated into water vapour by the heat of the sun. 2 of 16 Infiltration The soaking of rainwater into the ground. 3 of 16 Saturated Soil is saturated when the water table has come to the surface. The water then flows overland. 4 of 16 Surface run-off Rainwater that runs across the surface of the ground and drains into the river. 5 of 16 Transpired When plants lose water vapour, mainly through pores in their leaves. 6 of 16 Throughflow The flow of rainwater sideways through the soil towards the driver. 7 of 16 Antecedent rainfall The amount of moisture already in the ground before a rainstorm. 8 of 16 Water table The upper limit of saturated rock below the ground. 9 of 16 Groudnwater flow Movement of water through rocks in the ground. 10 of 16 Storm hydrograph A graph which shows the change in both rainfall and discharge from a river following a storm. 11 of 16 Jet streams High level winds at around 6-10km that blow across the Atlantic towards the Uk. 12 of 16 Dredging The clearing of the bed of (a harbour, river, or other areas of water) by scooping out mud, weeds and rubbish with a dredge. 13 of 16 Levées An embankment built to prevent the overflow of a river. 14 of 16 Hard engineering Building physical structures to deal with natura hazards, such as sea walls to stop waves. 15 of 16 Soft engineering Involves adapting to natural hazards and working with nature to limit danger. 16 of 16
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