Rating Curve 4 : A mathematical relationship between two values expressed as a continuous line. The most common ratings we use are stage versus discharge for streams and stage versus volume for reservoirs
The Flood Control District of Maricopa County, Glossary of Flooding Terms, AZ, USA 2009. http://www.fcd.maricopa.gov/Education/glossary.asp x, (ND/ Flood - Amer) {477}