If a Severe Flood Occurs on Average Once Every 20

question 40

True/False

If a severe flood occurs on average once every 20 years,it is still possible for two severe floods to occur within the same year.

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Definitions:

Groundwater Flow

Groundwater flow describes the movement of underground water through the soil and rock layers, driven by gravitational forces and pressure differences.

Water Table

The level below the Earth's surface at which the ground is saturated with water.

Artesian

Groundwater that is in a confined aquifer and is under enough water pressure to rise above the level of the aquifer.

Water Table

The water table is the upper level of an underground surface in which the soil or rocks are permanently saturated with water, delineating the boundary between the aquifer's unsaturated zone and saturated zone.