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 can fall in many different patterns, which influences the hydrologic response.

• For example, a storm may be:
  • Uniform over the entire watershed
  • A storm may move up the watershed
  • A storm may move down the watershed
  • A storm may only rain on a portion of the watershed.

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