Hydrology Terminology

Watershed

Streamflow

Routing

Reservoirs

Channel

Precipitation

-excess

-intensity

-patterns

Snow

Runoff

Infiltration

Unit hydrograph

Timing

Flooding

Flow

Grade lines

Land Use

Frequency

• Precipitation is water that falls to the earth in the form of rain, snow, hail or sleet.

• Excess precipitation is the precipitation that is not infiltrated into the soil and becomes available as a rapid runoff component in the hydrologic response of a basin.

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