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tpxo9.v1 M2
TPXO is a series of fully-global models of ocean tides, which best-fits, in a least-squares sense, the Laplace Tidal Equations and altimetry data. Each next model in TPXO series is based on updated bathymetry and assimilates more data compared to previous versions. We support only current and previous versions. TPXO models were obtained with OTIS. The methods used to compute the model are described in details by Egbert, Bennett, and Foreman,1994  and further by Egbert and Erofeeva,2002

The tides are provided as complex amplitudes of earth-relative sea-surface elevation for eight primary (M2, S2, N2, K2, K1, O1, P1, Q1), two long period (Mf,Mm) and 3 non-linear (M4, MS4, MN4) harmonic constituents (plus 2N2 and S1 for TPXO9).
TPXO solutions are provided in binary and netcdf formats. The binary format can be read using OTPS (Fortran) or TMD (Matlab) packages.
Please, use menu on left to pick the model or navigate the page.

To refer to TPXO models in your publications please use the citation:
Egbert, Gary D., and Svetlana Y. Erofeeva. "Efficient inverse modeling of barotropic ocean tides." Journal of Atmospheric and Oceanic Technology 19.2 (2002): 183-204.

For COPYRIGHT information use link at the bottom.

TPXO9 M2 amplitude and phase image was obtained using m_map

Research presented here was funded by the National Science Foundation, the Office of Naval Research and the National Aeronautics and Space Administration
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