9 terms

Flooding

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Terms in this set (...)

Infiltration
Process by which water soaks into or is absorbed by the soil
Surface runoff
Water that moves over the ground surface
Groundwater flow
The slow movement of water through the underlying geology via cracks and joints below the water table
Interception
The process by which precipitation is trapped on the surface of vegetation
Drainage density
Rivers with large drainage density increase with flooding
Hydrograph
A graph to show how a river responds to a storm
Discharge
The amount of water passing a given point along the river, measured in cubic meters per second
Peak discharge
The highest discharge the river reaches after a period of rainfall
Lag time
The difference in time between peak rainfall and peak discharge