Hydraulic Permeability
Water
The flow of water through a unit cross-sectional area of soil normal to the direction of flow when the hydraulic gradient is unity.
- — Service Hydrologist Reference Manual Glossary of Hydrologic Terms retrieved 2014-06-01
Weather
In hydrologic terms, the flow of water through a unit cross-sectional area of soil normal to the direction of flow when the hydraulic gradient is unity.