Geography - Theme 1 - Flooding
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12 Terms
Annual regime
the varying river discharge throughout the year
Discharge
The amount of water running through the river channel
Flash floods
Flooding caused by a sudden downpour of rain - doesn’t have time to soak into ground
Ground water store
Water in the ground
Groundwater flow
The flow of water through rocks
Hazard map
A plan that shows the extent of a hazard
Hydrograph
A line graph that shows the variation of of discharge in a river
Infiltration
The movement of rain, water or snow into soil
Overland flow
The flow of water across ground surface
Porosity
The ability for a rock to store water in tiny air spaces
Surface stores
Places where water is found on the surface - eg lakes and rivers
Throughflow
The downhill flow of water through soil
Note 
Flashcards (51)