Water on the Land 4.0 / 5 based on 1 rating ? GeographyWater and riversGCSEAll boards Created by: kfgintyCreated on: 29-03-16 21:39 MOUTH The point at which the river meets the sea. 1 of 34 CONFLUENCE The point at which two rivers join. 2 of 34 CONDENSATION The process by which a gas is changed into a liquid as a result of cooling. 3 of 34 EVAPORATION The process by which water changes into a gas as a result of heating. 4 of 34 OVERLAND FLOW/SURFACE RUNOFF The sideways movement of water over the land. 5 of 34 GROUNDWATER FLOW The sideways movement of water through the bedrock. 6 of 34 THROUGHFLOW The sdeways movement of water through the soil. 7 of 34 VELOCITY The speed of a river. 8 of 34 SOURCE The start of the river. 9 of 34 CUMECS The unit of measurement used to record discharge. 10 of 34 PRECIPITATION Water falling from the sky in any form (snow, rain, sleet). 11 of 34 CORROSION When acid in the river dissolves rock. 12 of 34 ATTRITION When material rubs against the banks dislodging any loose material. 13 of 34 ABRASION When material within a river collides and breaks up into smaller pieces. 14 of 34 HYDRAULIC ACTION When the sheer force of the water dislodges particles from the bed and banks. 15 of 34 TRANSPERATION When water is evaporated back into the atmosphere off vegetation. 16 of 34 INTERCEPTION When water is prevented from reaching the ground by vegetation. 17 of 34 PEAK DISCHARGE The point at which the maximum amount of water was recorded in the channel. 18 of 34 PEAK RAINFALL The point at which maximum rainfall occured. 19 of 34 SATURATION POINT The point at which bedrock and soil are completely full of water. 20 of 34 WATERTABLE The level beneath which the all rock/soil is saturated. 21 of 34 NORMAL BASE FLOW The level at which the river normally flows. 22 of 34 INFILTRATION The downwards movement of water through the soil. 23 of 34 PERCOLATION The downwards movement of water through the bedrock. 24 of 34 LAG TIME The difference between peak rainfall and peak discharge. 25 of 34 DISCHARGE The amount of water in the channel at a given point and at a given time. 26 of 34 POUROUS Rocks that contain tiny pores that allow water to be absorbed. 27 of 34 PERVIOUS Rocks that contain tiny cracks through which water can flow. 28 of 34 WATERSHED An area of highland that separates one drainage basin from another. 29 of 34 DRAINAGE BASIN An area drained by a river and its tributaries. 30 of 34 STROM RUNOFF Additional water found in a drainage basin after a period of rainfall. 31 of 34 IMPERMEABLE A type of rock or surface that does not let water penetrate. 32 of 34 PERMEABLE A type of rock or surface that does allow water to penetrate. 33 of 34 TRIBUTARY A small river that flows into another river. 34 of 34
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