Downstream Water Surface Elevation in Indirect Methods of Streamflow Measurement Formulas

Downstream Water Surface Elevation measured above the Weir Crest. And is denoted by H₂. Downstream Water Surface Elevation is usually measured using the Meter for Length. Note that the value of Downstream Water Surface Elevation is always negative.

Indirect Methods of Streamflow Measurement formulas that make use of Downstream Water Surface Elevation

fxSubmerged Flow over Weir using Villemonte FormulaGo

fxFree Flow Discharge under Head using Submerged Flow over WeirGo

FAQ

What is the Downstream Water Surface Elevation?

Downstream Water Surface Elevation measured above the Weir Crest. Downstream Water Surface Elevation is usually measured using the Meter for Length. Note that the value of Downstream Water Surface Elevation is always negative.

Can the Downstream Water Surface Elevation be negative?

Yes, the Downstream Water Surface Elevation, measured in Length can be negative.

What unit is used to measure Downstream Water Surface Elevation?

Downstream Water Surface Elevation is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Downstream Water Surface Elevation can be measured.

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