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  2. Staff gauge - Wikipedia

    en.wikipedia.org/wiki/Staff_gauge

    Staff gauges are commonly installed at stream gauging stations to indicate the water stage or water level. They are also used to indicate the level (and hence flow rate) in open channel primary devices (flumes or weirs); see discharge (hydrology).

  3. Stream gauge - Wikipedia

    en.wikipedia.org/wiki/Stream_gauge

    A stream gauge, streamgage or stream gauging station is a location used by hydrologists or environmental scientists to monitor and test terrestrial bodies of water. Hydrometric measurements of water level surface elevation (" stage ") and/or volumetric discharge (flow) are generally taken and observations of biota and water quality may also be ...

  4. Flow measurement - Wikipedia

    en.wikipedia.org/wiki/Flow_measurement

    This is the most commonly used measurement system for measuring water supply in houses. The fluid, most commonly water, enters in one side of the meter and strikes the nutating disk, which is eccentrically mounted. The disk must then "wobble" or nutate about the vertical axis, since the bottom and the top of the disk remain in contact with the ...

  5. Streamflow - Wikipedia

    en.wikipedia.org/wiki/Streamflow

    Water flowing in channels comes from surface runoff from adjacent hillslopes, from groundwater flow out of the ground, and from water discharged from pipes. The discharge of water flowing in a channel is measured using stream gauges or can be estimated by the Manning equation. The record of flow over time is called a hydrograph.

  6. Rating curve - Wikipedia

    en.wikipedia.org/wiki/Rating_curve

    where and are rating curve constants, and is a constant which represents the gauge reading corresponding to zero discharge. The constant a {\displaystyle a} can be measured when a stream is flowing under "section control" as the surveyed gauge height of the lowest point of the section control feature.

  7. Discharge (hydrology) - Wikipedia

    en.wikipedia.org/wiki/Discharge_(hydrology)

    A discharge is a measure of the quantity of any fluid flow over unit time. The quantity may be either volume or mass. Thus the water discharge of a tap (faucet) can be measured with a measuring jug and a stopwatch. Here the discharge might be 1 litre per 15 seconds, equivalent to 67 ml/second or 4 litres/minute. This is an average measure.

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  9. Parshall flume - Wikipedia

    en.wikipedia.org/wiki/Parshall_flume

    Kilpatrick notes that the discharge for this modification of the Parshall flume is slightly greater than for a standard Parshall flume of the same size. [29] This has been attributed to potential manufacturing tolerance variations rather than the actual operation of the flume itself and users are cautioned to verify the flume's dimensions ...

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