Physical Characteristics of Ponds
There are categories of storage elements that can be modeled in CivilStorm 2024:
- Outdoor ponds with a free surface
- Large underground pipes built solely to store water during storms
- Wet wells at pumping stations
The first two are modeled as ponds in CivilStorm 2024. Any of these elements may be used as the suction side of a pump.
The following pond volume options are available:
- Depth vs. Area
- Elevation vs. Area
- Elevation vs. Volume
- Underground Pipe Volume
- Functional
- Elliptical or Circular Cylinder
- Elliptical Paraboloid
- Rectangular Pyramid
- Truncated Elliptical Cone
Not all of the physical properties are needed for each method of describing pond (storage element) dimensions.
The type of attribute needed for each type of data entry is summarized in the table below:
Required Pond Attributes
Attribute | Elevation-Volume Curve | Elevation-Area Curve | Volume Function | Pipe Volume | Cylindrical | Parabolic | Pyramidal | Conical |
---|---|---|---|---|---|---|---|---|
Volume Type | Required | Required | Required | Required | Required | Required | Required | Required |
Elevation (Invert) | Required | Required | Required | Required | Required | Required | ||
Depth (Maximum) | Required | Required | Required | Required | Required | Required | Required | |
Major Axis Length | Required | Required | Required | Required | ||||
Minor Axis Length | Required | Required | Required | Required | ||||
Side Slope (Pond) | Required | Required | ||||||
Elevation-Area Curve | Required | |||||||
Elevation-Volume Curve | Required | |||||||
Percent Void Space (%) | Required | Required | ||||||
Number of Barrels | Required | |||||||
Length | Required | |||||||
Invert (Start) | Required | |||||||
Invert (Stop) | Required | |||||||
Pipe Diameter | Required | |||||||
Pond Coefficient A | Required | |||||||
Pond Exponent B | Required | |||||||
Pond Constant C | Required | |||||||
Height of Axis Surface | Required |
For more information on the physical characteristics of ponds, see the following help topics: