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Enabling the Set Flow checkbox results in the modelled flow at a gauge being overridden by the gauge flow. This forces the modelled flow to equal observed flow and converts a gauge node to an Unaccounted

Difference node (Figure 2).

 This is used in operations environments to check for differences in water balances on links.

 Refer to Forecasting for details.

 Figure 2. Gauge node

, Observed

flow

Image Modified

A rating curve converts a flow into a level, producing an output of level (

Figure 3).

 You would often have recorded gauge level at a gauge rather than flow, thus making it useful for calibration.

  Figure 3. Gauge node

, Rating

curve

Image Modified

Ownership

– Refer to

Ownership for more information.  

Operations – this is similar to the recession forecast model in the inflow node. Refer to Forecasting inflows.   

Constituents

– This behaves in a similar manner as Gauge flow. Refer to Gauge node.

 Ensure that constituents have been defined prior to configuring them (using Edit

» Constituents

).