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NTIP is an input in the fort.15 file that selects the astronomical forcing input type.
The following table is a summary of possible NTIP values, description, details, and other necessary input parameters and files.
|NTIP Value||Description||Details||Other Required Inputs|
|0||No Astronomical Forcing||-||NTIF = 0|
|1||Astronomical Tidal Potential||Reconstructs the tidal elevation using the analytical formulation for the equilibrium tidal potential||NTIF > 0|
|2||Astronomical Tidal Potential plus Self-attraction and Loading (SAL) Tide||Reconstructs the tidal elevation by summing the contribution from the analytical formulation for the equilibrium tidal potential with the contribution from the prescribed SAL constituent values found in the fort.24 file.||NTIF > 0, fort.24 file|
- Eq. (27), page 17 in Luettich, R.A., Westerink, J.J., 1992. ADCIRC: an advanced three-dimensional circulation model for shelves coasts and estuaries, report 1: theory and methodology of ADCIRC-2DDI and ADCIRC-3DL, Dredging Research Program. Vicksburg, MS.
- Ray, R.D., 1998. Ocean self-attraction and loading in numerical tidal models. Mar. Geod. 21, 181–192. doi:10.1080/01490419809388134