Hydrology Terminology

Watershed

Streamflow

Routing

Reservoirs

Channel

Precipitation

Snow

Runoff

Infiltration

Unit hydrograph

Timing

Flooding

Flow

Grade lines

-EGL

-HGL

Land Use

Frequency

• The energy grade line represents the depth of the water surface and the velocity component of the Bernoulli equation.

• The hydraulic grade line represents the depth of the water surface.

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