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Loss node (SRG) Loss node (SRG)

The loss node describes the amount of water that is lost from a point in the stream network. Losses may include physical processes such as transmission losses due to evaporation and seepage, or may be used to represent losses associated with measurement error in the data used to develop the model, such as flow-measurement uncertainty.

Losses are implemented at the site-scale.

eWater CRC

Introduced in RiverManager.

Source version 3.0.1

The loss node must be part of a node link network.

Loss is automatically installed with Source.

A loss is specified relative to the flow at that point in the system using a monotonically increasing piecewise linear function.

The input data for the Loss model is a relationship between inflow and loss from a point in the network. The data entered into the table or configured in a .csv file must be in increasing order and the increase in loss must be less then the increase in inflow.

Model parameters are summarised in Table 23.

Table 23. File format for a piecewise linear function configured as a .CSV file

The loss node outputs a time series of flow.