Marigram 3 : A graphic record of the rise and fall of water level. The record is in the form of a curve in which time is generally represented on the abscissa and the height of the water level on the ordinate. See tide curve
National Oceanic and Atmospheric Administration NOAA, Tide and Current Glossary, National Ocean Service, CO-OPS, Products and Services N/OPS3, Silver Spring, MD, USA 1999. http://co-ops.nos.noaa.gov/publications/glossary2. pdf, (ND/ Tide and Current - Amer) {830}