2.0

Chapter 2 Working with Ponds
152
Editing Pond Inflow and Outflow Structures
After you add inflow and outflow structures to a pond in the Pond Outflow
Design dialog box, you can individually edit each structure as needed.
To edit an inflow or outflow structure
1 From the Hydrology menu, choose Outflow Editor ä By Pond to display the
Pond Name dialog box.
2 Select the name of the pond, then click OK to display the Pond Outflow Design
dialog box.
3 Load the file you want to edit by clicking the Load button and selecting
the .pda file.
4 From the Attached Structures list (top left of the dialog box), select the structure
to edit.
5 Click the Edit button to display the calculator dialog box for that structure.
6 Use the calculator to change the settings for the structure, and then click OK to
exit the calculator.
7 Change the other Pond Outflow Design settings as necessary or choose another
structure to edit.
8 Click Save to save the current data to a file.
The data is stored in the c:\Land Projects R2\<project name>\hd folder with
the same base name as the pond and a .pda extension.
9 Click Plot to view and save the rating curve and stage-discharge curve.
10 Click OK to close the Pond Outflow Design dialog box.
Deleting Pond Inflow and Outflow Structures
You can delete attached inflow and outflow structures from the Pond Outflow
Design dialog box.
NOTE
An alternative to deleting a structure is to make it inactive. If you want to
exclude a structure from the stage-discharge calculations, select the
structures name from the Attached Structures list and clear the Active
check box.
To delete a pond inflow or outflow structure
1 From the Hydrology menu, choose Outflow Editor ä By Pond to display the
Pond Name dialog box.
2 Select the name of the pond, and then click OK to display the Pond Outflow
Design dialog box.
3 From the Attached Structures list (top left of the dialog box), select the structure
to delete.
4 Click Delete.
You are asked to confirm that you want to delete the structure.
5 Click Yes to delete the structure.