Percolation 02 : (1) The movement of water through the openings in rock or soil. (2) the entrance of a portion of the streamflow into the channel materials to contribute to ground water replenishment
US Department of the Interior, US Geological Survey USGS, Water Science Glossary of Terms, http://ga.water.usgs.gov/edu/dictionary.html (Some of this information is courtesy of the Nevada Division of Water Resources - the detailed water glossary at VA, USA 2009. http://water.nv.gov/programs/planning/dictionary/) , (ND/ Flood - Amer) {491}
