This command calculates stage-storage values for a pond that is already drawn in the drawing. Before running this routine, the surface model for the pond must be created as a triangulation file with Triangulate & Contour or as a grid file with Make 3D Grid File. A closed polyline for the perimeter of the pond is also required. It has the option to save a stage-storage capacity file, in one of 2 forms (Carlson for readability, or Sedcad form, for importing into Sedcad). The type of file stored is set in Configure, Hydrology Module.
Select Pond Surface
Select the .tin, .flt or .grd file that models the pond
surface.
Pick the top of dam polyline: pick the closed polyline
perimeter
Choose method to specify storage elevations
(<Automatic>/Interval/Manual)? Manual
Range of pond elevations: 1202 to 1220
Sediment Elevation (Enter for none): 1206
Enter stage elevation (Enter for none): 1206
Enter stage elevation (Enter for none): 1210
Enter stage elevation (Enter for none): 1215
Enter stage elevation (Enter for none): 1220
Enter stage elevation (Enter for none): press
Enter
Pond Storage Volumes Report
Write stage-storage to file [Yes/<No>]? press Enter When saving a stage-storage capacity file, to be drawn in the Draw Stage-Storage Curve command, it is a good idea to limit the number of stages to a reasonable number, such as 6 to 12 stages. More than 12 will plot off the page in a long list, unless you use the option "Skip Every 2nd Table Entry". If the stages are at odd intervals, the Draw Stage-Storage Curve command will interpolate additional stages, so reducing the number of stages used works best for plotting.
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Typical Pond for Calculate Stage Storage |
Pulldown Menu Location: Structure in Hydrology
Keyboard Command: postpond
Prerequisite: Surface entities that model the pond
