Contact: serofeev@coas.oregonstate.edu
egbert@coas.oregonstate.edu
tpxo8 atlas title

HOME | Lana Erofeeva | Gary Egbert | Physical Oceanography | COAS | OSU
   Downloads:
   TPXO8-atlas, 1/30 resolution
   ELEVATIONS (OTPS format):
   M2 S2 N2 K2 K1 O1 P1 Q1 M4
   TRANSPORTS (OTPS format):
    M2 S2 N2 K2 K1 O1 P1 Q1 M4
    ELEVATIONS (netcdf format):
   M2 S2 N2 K2 K1 O1 P1 Q1 M4
   TRANPORTS (netcdf format):
   M2 S2 N2 K2 K1 O1 P1 Q1 M4
   BATHYMETRY (OTPS format):
   BATHYMETRY (netcdf format):

    TPXO8-atlas, 1/6 resolution
     ELEVATIONS (OTPS format):
     MF MM MS4 MN4
     TRANSPORTS (OTPS format):
     MF MM MS4 MN4
     ELEVATIONS (netcdf format):
     MF MM MS4 MN4
     TRANSPORTS (netcdf format):
     MF MM MS4 MN4
     BATHYMETRY (OTPS format):
     BATHYMETRY (netcdf format):

      TPXO8-atlas-compact
      Elevations,transports&bathymetry
      OTPS2  (new version 07.14.2014)

      OSU Tidal Prediction Software 
      Tidal Model Driver
TPXO8-atlas history mask
TPXO8-atlas, version 1, history mask:
patches of local HR solutions are shown with different colors.
Arrows point patches DIFFERENT from version 0 for 8 major constituents.
Version 1 does not differ from version 0 elsewhere. Versions 0 and 1 are the same for M4,MM,Mf,MN4,MS4.


TPXO8-atlas, version 1, now replaces zero version, which was 1st one from new generation atlas solution. Like older ATLAS solutions a new generation solution combines a basic global solution (TPXO8, obtained at 1/6 resolution) and high resolution (HR) local solutions.  Unlike all previous ATLAS solutions, it keeps resolution of HR solutions rather then averaging them on coarser grid.  This provides dramatic improvement in tidal predictions for coastal areas. For user convenience we provide TPXO8-atlas in several formats:


1. our traditional binary format (OTPS format);
2. netcdf format;
3. atlas-compact format;
Due to HR the files are large, thus we provide one tidal constituent/file for first 2 formats. Atlas-compact format contains all constituents, but at various resolution (i.e. 1/30 resolution where the patches are, and 1/6 resolution for the rest of the Ocean). Atlas-compact is readable by next version of OTPS (OTPS2) to provide extraction of harmonic constants/tide prediction at any location. OTPS2 is functionally the same as OTPS and works for any our model plus it also is applicable for the Atlas-compact.


NEW!  OTPS2 now provides functionality for extracting a local tidal solution (bathymetry, elevations and transports) from TPXO8-atlas-compact for any given rectangular area and outputting the solution in the regular OTIS binary format at 1/30 degree resolution. Thus a user has the option to deal with an area of interest only in a simpler uniform grid format.


IMPORTANT! 
You have to download the newest version of TPXO8-atlas-compact for this new feature to work properly. TPXO8-atlas-compact versions download before April 2, 2014 will not work with this new feature.


M2 RMS misfit (sm) to pelagic and some local tide gauges sets

 

# of TG*

RMS signal

TPXO7.2

TPXO7-atlas

TPXO8-atlas

Pelagic

 102

  33.23   

   1.48

1.50

1.42

Arctic

 244

  45.62    

   9.83

  9.74

 5.95

Southern Australia

 141

   56.78    

 13.58   

  10.17    

 7.10

West Coast USA

  17

   55.44    

 12.58    

    9.98

 8.54

China Seas

  46

   41.54    

 11.73    

    7.32

 4.10

Amazon Shelf

  27

  103.59    

117.34    

  10.59    

 8.44

Hudson Bay

  12

  159.89    

   39.35    

  18.14    

 15.01

Sea of Okhotsk

  20

    44.03    

   58.97    

     9.47

 8.98

Patagonian Shelf

  30

   133.49    

   47.22    

   13.53    

 3.78

Magellan Straight

   8

    181.31    

   53.98    

   33.25    

 16.83   

Gulf of Mex

  52

      9.99

    9.02

     2.39

 2.20

East Coast USA

  10

   221.96    

139.58    

    34.10    

 9.32




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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