Definitions for "Unsaturated Flow"
Keywords:  pore, thatis, wetter, saturated, filled
Ground-water flow in which the available pore space is only partially filled with water. SUTRA is capable of simulating both saturated and unsaturated flow. See Sections 2.1, 2.2, and 7.5 of the SUTRA documentation, and " Unsaturated flow functions" on the " Special topics" page.
Underground water flow through soil or rock where the void spaces are filled both with water and air.
Movement of water in a soil thatis not filled to capacity with water.