Aqa Gcse Rivers 8035 Study Guide Rated A+

Infiltration {Ans: water seeping into the soil layer from the ground surface above}Precipitation {Ans: any source of moisture reaching the ground e.g. rainfall, snow, hail etc...}Cross profile {Ans: the side-to-side cross-section of a river channel and/or valley.}Levée {Ans: an embankment of sediment along the bank of a river.}Vertical erosion {Ans: downward erosion of a river bed.}Flood warning {Ans: providing reliable advance information about possible flooding.}Solution {Ans: soluble particles are dissolved into the river.}(Channel) straightening {Ans: removing meanders from a river to make the river straighter.}Flood {Ans: occurs when river discharge exceeds river channel capacity.}Attrition {Ans: erosion caused when rocks transported by waves bang into each other and break up into smaller and rounder pieces.}Gorge {Ans: a narrow, steep sided valley, often formed as a waterfall retreats upstream.}Surface storage {Ans: water held on the ground surface e.g. puddles, lakes.}Flood relief channels {Ans: building new artificial channels, which are used when a river is close to maximum discharge.}Ox-bow lake {Ans: an arc-shaped lake which has been cut off from a meandering river.}Evaporation {Ans: water lost from ground/vegetation surface}Evapotranspiration {Ans: the total of all the water lost