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Figure 3.
Constituent Model Configuration
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Configuring constituents at nodes
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For each constituent, you can specify an increase in concentration from different sources, similar to constituents in the storage node (Figure 10). The parameters are:
- Additional Inflow Load – specify the amount of constituent mass to be added to the storage routing link per time-step. It is not specific where this constituent mass comes from.
- Groundwater – concentration of the constituent entering the link via groundwater flow
- Timeseries Flux – concentration of the constituent entering the storage routing link via a Timeseries Flux.
Note that both Groundwater and Timeseries Flux need to be configured on the storage routing link for constituents to enter the link using these sources - see Groundwater and Storage routing - Timeseries Flux.
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| Note: Unless there is either an initial storage or initial flow defined, there will be no constituent mass in the link at the start of the model simulation. |
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Configuring constituents in catchment models
The models available for simulating constituents at Functional Unit and sub-catchment level are accessed through the Constituents Models table. These include constituent generation models and constituent filter models, configurable for each sub-catchment/functional unit (FU) combination. by navigating to Edit » Constituent Models... (Figure 12). You can configure more than one generation and/or filter model for a sub-catchment/FU combination by using constituent sources.
Figure 12. Accessing the Constituent Models table
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