geography revision rivers 0.0 / 5 ? GeographyriversIGCSEEdexcel Created by: jemima_kCreated on: 07-02-23 11:35 precipitation when water falls from the sky 1 of 35 evaporation when the suns heat turns a liquid into a gas 2 of 35 condensation when it cools and gas turns into a liquid 3 of 35 interception when leaves on trees and plants catches the rsin as it falls. 4 of 35 surface run-off when water runs along the surface of the ground 5 of 35 infiltration when rain soaks into the ground 6 of 35 permeable when a rock allows water to soak into it 7 of 35 throughflow when water flows sideways through the soil towards the river 8 of 35 groundwater water percolates and fills the rock below 9 of 35 grondwater flow when water flows sideways through the rocks 10 of 35 impermeable the rock will not allow water to soak into it 11 of 35 scource the starting point of the river 12 of 35 confluence the point where two rivers meet 13 of 35 tributary a smaller river that joins onto a larger one 14 of 35 watershed a imaginary line that seperates one drainage basin from another 15 of 35 flood plain flat land at the sides of a river that gets flooded when a river overflow 16 of 35 mouth is where a river flows into a lake, sea or ocean 17 of 35 drainage basin the area of land drained by a river and its tributaries 18 of 35 erosion the wearing away of rocks and stones by a river and the movement of the water 19 of 35 weathering the wearing away of rocks and stones by the actions of the weather outside of the river channel 20 of 35 abrasion when sand and stones scrape the bed and banks of a river and wear it away 21 of 35 attrition when rock and stones bang together and break down into smaller pieces 22 of 35 corosion river water causes some rocks to slowly dissolve 23 of 35 hydraulic action water is forced into cracks and breaks up the bank 24 of 35 traction heavier material is rolled or pushed along the river bed 25 of 35 saltation smaller pebbles bounce along the river bed 26 of 35 suspension small particles of sand and soil are carried by the flow of the river 27 of 35 soloution dissolved material is carried as a solution 28 of 35 hydrograph a graph that shows how a river’s discharge has changed following a storm event 29 of 35 river regime the variations in a river’s discharge throughout the year 30 of 35 discharge the amount of water in a river at a particular point at a particular time 31 of 35 v shaped valley the shape left when a river or stream erodes in the upper section 32 of 35 gorge when a waterfall retreats it creates a steep sided gorge 33 of 35 levees embankments at the sides of a river channel built up over time after repeated flooding 34 of 35 managment actions taken to prevent flooding occurring. 35 of 35
Comments
No comments have yet been made