SHEF 1 (Standard Hydrologic Exchange Format) : A documented set of rules for coding data for operational day-to-day use in a form for both visual and computer recognition
National Weather Service NWS Forecast Office, National Oceanic and Atmospheric Administration NOAA, SH Manual, Glossary of Hydrologic Terms, Washington, DC, USA 2015. http://www.nws.noaa.gov/om/hod/SHManual/SHMan014_g lossary.htm, (HydroI - Amer) {889}