Physical Geography 0.0 / 5 ? GeographyRivers and fluvial processesASAQA Created by: Darblu07Created on: 13-09-16 15:39 Precipitation All forms of moisture that reach the Earth's surface. (rain, snow, and dew) 1 of 15 Evaporation The transformation of water droplets into water vapour by heating 2 of 15 Evapotranspiration The loss of water from a drainage basin into the atmosphere from the leaves of plants 3 of 15 Surface Storage The total volume of water held on the Earth's surface in lakes, ponds and puddles. 4 of 15 Groundwater Storage The storage of water underground in permeable rock strata. 5 of 15 Infiltration The downward movement of water into the soil surface. 6 of 15 Percolation The gravity flow of water within soil. 7 of 15 Overland flow The movement of water over the surface of land, usually when the ground is saturated or frozen. 8 of 15 Through-flow The movement of water downslope within the soil layer 9 of 15 Groundwater flow The deeper movement of water through underlying rock strata 10 of 15 Dynamic equilibrium Rivers are constantly changing over time to reach a state of balance with the processes that determine their form. 11 of 15 Pipe flow Where water travels along the old root of the above vegetation. 12 of 15 Rivers regime River levels rise and fall over the short term following heavy rainfall 13 of 15 Discharge Amount of water passing a given point at a given time 14 of 15 Lag time The time between the maximum rainfall and the peak discharge 15 of 15
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