Bulk (hydrology)

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With pouring or spring pouring , one describes the volume of water emerging from a spring in a certain period of time, also called discharge [l / s]. Measurement methods include volume-filling time measurement and water level measurement .

The discharge from a spring can fluctuate to a greater or lesser extent depending on precipitation and evaporation. Particularly large time-dependent differences in the bed occur in karst springs .


  • Josef Schormüller (Hrsg.): Handbook of food chemistry: water and air . Volume 8, Part 2. Editor: SW Souci and K.-E. Quentin, Springer, Berlin 1969, p. 873 ff