Geography 3.0 / 5 based on 1 rating ? GeographyWater WorldGCSEEdexcel Created by: Katie_Created on: 17-02-14 12:03 Evaporation The changing of a liquid to a gas 1 of 21 Interception The capture of rainwater by leaves 2 of 21 Evapotranspiration When leaves evaporate and transpire. 3 of 21 Surface run-off Rainwater that runs across the surface of the ground 4 of 21 Condensation The changing of a gas into a liquid 5 of 21 Aquifer The water stored in rocks 6 of 21 Hydrosphere All the waters on the Earth’s surface, such as lakes and seas 7 of 21 Hydrological cycle The water is recycled again and again through evaporation, condensation and water transfers like surface run-off. 8 of 21 Closed system A system closed but energy may be transferred between the system and its surroundings. 9 of 21 Infiltration The soaking of rainwater into the ground 10 of 21 Percolation When the water on the surface of Earth seeps down underground. It later forms aquifers in the low-lying regions. 11 of 21 Groundwater storage Constant movement called percolation creates groundwater storage. 12 of 21 Saturation The point where water vapour in the atmosphere is at its maximum level for the existing temperature. 13 of 21 Water table The level of saturated ground in the soil, it rises and falls. 14 of 21 Transfers or flows Movement processes of the Earth’s water, including evaporation, precipitation. 15 of 21 Stores A build up of water that has collected on or below the ground, or in the atmosphere. 16 of 21 Water stress Occurs when the demand for water exceeds the amount available. 17 of 21 Water scarcity Water stress and scarcity occurs when the demand for water exceeds the available amount during a period of time. 18 of 21 Physical scarcity Occurs when demand exceeds supply 19 of 21 Economic scarcity When people simply cannot afford water, even if it is available 20 of 21 Appropriate or intermediate technology A technology that the local community is able to use relatively easily without much cost 21 of 21
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