User:Jcreer/TR-55 Parameters: Difference between revisions
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*Compute Tc – Map Data | *Compute Tc – Map Data | ||
*Drainage Area (Am)(mi^2) | *Drainage Area (Am)(mi^2) | ||
*Rainfall (P) (in) | *Rainfall (P)(in) | ||
*Runoff Curve Number (CN) | *Runoff Curve Number (CN) | ||
*Pond and Swamp Area (%) | *Pond and Swamp Area (%) | ||
*Rainfall Distribution | |||
*Unit Peak Discharge Computation Method | |||
*Potential Maximum Retention (S)(in) | |||
*Runoff (Q)(in) | |||
*Initial Abstraction (Ia)(in) | |||
*Initial Abstraction / Rainfall (Ia/P) | |||
*Unit Peak Discharge (Qu)(cfs/mi^2/in) | |||
*Pond and Swamp Factor (Fp) | |||
*Peak Discharge (Qp=Qu*Am*Q*Fp)(csf) | |||
*Compute Hydrograph | |||
Revision as of 14:53, 14 September 2016
The TR-55 parameters dialog is accessed by right-clicking on a basin or outlet then selecting the Edit Paremeters command. The dialog allows setting model parameters for either "Basins" or "Outlets" depending which option is selected at the top of the dialog. Parameters can be set for the "Selected" basin or outlet, or for "All" basins or outlets based on the selected option.
Options available include:
Basins
- Basin Name
- Time of Concentration (TC)(hr)
- Compute Tc – Basin Data
- Compute Tc – Map Data
- Drainage Area (Am)(mi^2)
- Rainfall (P)(in)
- Runoff Curve Number (CN)
- Pond and Swamp Area (%)
- Rainfall Distribution
- Unit Peak Discharge Computation Method
- Potential Maximum Retention (S)(in)
- Runoff (Q)(in)
- Initial Abstraction (Ia)(in)
- Initial Abstraction / Rainfall (Ia/P)
- Unit Peak Discharge (Qu)(cfs/mi^2/in)
- Pond and Swamp Factor (Fp)
- Peak Discharge (Qp=Qu*Am*Q*Fp)(csf)
- Compute Hydrograph
