Specific discharge

From Glossary of Meteorology

specific discharge

  1. In surface water hydrology, discharge per unit area of an upstream watershed.

  2. In open channel flow, discharge per unit width of channel.

  3. In groundwater, the volumetric flow rate per unit area of a porous media, also known as flow velocity or specific flux; if computed using Darcy's law, known as Darcy's flux.