Slope-area

WMO >> HWR >> Assessment of the Performance of Flow Measurement Instruments and Techniques >> Discharge techniques database

 

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 = Mentioned as been used by at least one National Hydrological Service (NHS)

WMO:

Manual on stream gauging (WMO N° 1044)

ISO N°:

  ISO 1070:1992: Liquid flow measurement in open channels -- Slope-area method
  ISO 1100-1:1996: Measurement of liquid flow in open channels -- Part 1: Establishment and operation of a gauging station

CEN N°:

Sorry no entry available

Other references:

  Measurement of peak discharge by the slope-area method, by Tate Dalrymple and M.A. Benson: USGS—TWRI Book 3, Chapter A2. 1968.   [Canada]
  Measurement of water flow in open channels - Velocity-area methods - Measurement by slope-area method: ISO 1070 (AS 3778.3.3)   [Australia]

Methods

» Velocity-area method
» Tracer/Dye-dilution method
» Stage-discharge relations
» Stage-velocity relations
» Slope-area
» Slope-conveyance
» Indirect Methods using energy equation (culvert, bridge, etc.)
» Critical Depth
» Hydraulic structures
» Rainfall/runoff with rain gauges
» Rainfall/runoff with weather radar
» Rainfall/runoff coupled with weather model
» Satellite/aerial based lidar system
» Other methods
» General standards