Encyclopedia
Hydrographer
hydrograph: A graph illustrating the change in water discharge over time during a year or part of a year (season, flood period, or spring freshet) at a specific cross-section of the watercourse
Source: "SP 33-101-2003. Determination of Basic Calculated Hydrological Characteristics"
(approved by the Decree of the Ministry of Regional Development of Russia dated December 26, 2003, No. 218)