Key Terms 5.0 / 5 based on 1 rating ? GeographyRivers and fluvial processesASCIE Created by: AmySparkesCreated on: 19-11-16 14:17 Surface Storage After heavy rainfall soil reaches infiltration capacity, exceeds it and water starts to build up on the surface 1 of 22 Hydrological Cycle The way water moves from the sea, through the air onto (and into) and back into the sea 2 of 22 Drainage Basin The area of land drained by a single river and its tributaries 3 of 22 Interception Rain which is intercepted before it reaches the surface of the ground, usually by vegetation 4 of 22 Stem Flow Water moves from tree to ground by flowing down the outside of the tree trunk 5 of 22 Saturated Overland Flow Soil is saturated and rain continues to fall and then the rainfall will then produce surface runoff 6 of 22 Percolation Water that flows down into the bedrock 7 of 22 Throughflow Water that flows downhill through the soil parallel to the surface 8 of 22 Groundwater Water that percolates into the bedrock 9 of 22 Spring Groundwater reappears as a spring, when water table reaches the surface 10 of 22 Tributaries Smaller river joining the main river 11 of 22 Confluence Where two rivers meet 12 of 22 Water Shed Boundary of a drainage basin 13 of 22 Runoff The water that enters a stream or river and leaves the basin as stream discharge 14 of 22 Saturated/Field Capacity All pore spaces are filled in the soil/ground 15 of 22 Throughfall Where water falls of the leaves through the canopy 16 of 22 Infiltration Water infiltrates vertically down through pores in the soil 17 of 22 Infiltration Capacity The speed at which water can pass through the soil and is expressed in mm/hour 18 of 22 Base flow The lateral transfer of groundwater 19 of 22 Discharge the volume/flow of water passing a certain point in a river at a particular time 20 of 22 Surface runoff/Overland flow Excess water flows away over the surface 21 of 22 Soil moisture deficit The degree to which soil moisture falls below field capacity 22 of 22
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