Functional units (FUs) refer to areas of particular hydrological response. In Source, Functional Unit classes are initially defined in the Geographic Wizard (Specify functional units). This page explains how to manipulate FU areas outside the Geographic Wizard.
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Note: Although the user now can edit FUs even though FUs have been assigned in the Geographic Wizard, the user needs to be careful to process the modification as it may result in the loss of any model definition linked to other models (e.g., calibration model, water quality models), and change of the results. |
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Figure 2. Assigning FU areas using a land use raster
Figure 3. Assigning FU areas using a land use raster, assign mapping
Modify Functional Units
Functional Unit names now can be modified even they though they have been assigned in the Geographic Wizard. The functions for FU modification include add, delete, and rename using the Edit » Functional Units » List menu item, which will display the UI of Name Functional Units (Figure 4)
Figure 4. Modify FUs
Add FUs
The user can put the new FU name in Name Textbox (1 in Figure 4), then click on Add button (2 in Figure 4), the new FU will be added to the list of FUs (3 in Figure 4). Click OK button to save the modification.
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