jOceans is a module of jLab.

  jOceans:  Oceanography-specific data and model analysis tools
  Conversions for Lagrangian trajectories
    latlon2uv   - Converts latitude and longitude to horizontal velocity.  
    uv2latlon   - Integrates horizontal velocity to give latitude and longitude.  
  Manipulating Lagrangian trajectories [see also jCell]
    trajextract  - Extracts Lagrangian trajectory segments within given region.        
    trajunwrap   - Unwraps Lagrangian trajectories from a periodic domain.              
    trajwrap     - Wraps Lagrangian trajectories to fit within a periodic domain.       
    trajchunk    - Chunks Lagrangian trajectories based on the Coriolis period.
    griddrifters - Average drifter velocities onto a space/time 3D grid.
  Idealized numerical model tools
    psi2fields   - Velocity and other fields from the streamfunction. [with P.E. Isachsen]    
    periodize    - Returns a doubly periodic version of an input array.   
  Lagrangian eddy identification and analysis
    eddyridges    - Coherent eddy ridges from Lagrangian trajectories.   
    noisedrifters - Create a noise Lagrangian dataset matching mean and variance.
    eddylevels    - Eddy ridge significance levels using the survival function.
  Eulerian eddy identification and analysis
    inellipse    - Locates points on the interior of ellipses.                          
    closedcurves - Locate and interpolate closed curves in a possibly periodic domain.
    curvemoments - Centroid, area, and many other moments of a closed curve.          
    divgeom      - Geometric decomposition of eddy vorticity flux divergence.     
    eddyfit2d    - Least squares fit of 2D velocity data to an eddy profile.
    simpleddy     - Streamfunction, velocity, and vorticity for various eddy profiles.
  Plotting tools for mooring data
    hodograph  - Generate hodograph plots (simple and fancy).                                   
    provec     - Generate progressive vector diagrams (simple and fancy).             
    stickvect  - Plots "stick vectors" for multicomponent velocity time series. 
  Alongtrack altimetry tools
    trackextract  - Extracts alongtrack altimetry segments within given region.
  Wind-driven surface currents
     windtrans  - Ekman-like transfer-functions for the wind-driven response.
  NetCDF tools
    ncinterp    - One-line interpolation from 3D lat/lon/time field in NetCDF file.
  Date and time
    monthstats  - Mean month and standard deviation using circular statistics.
  Topography tools and data
    jtopo.mat   - One-sixth degree global topography, from Smith and Sandwell + IBCAO.              
    topoplot    - Plot regional or global topography at one-sixth degree resolution.
  Low-level functions
    besselktilde  - K-type Bessel function after factoring off exponential decay.
    besselitilde  - I-type Bessel function after factoring off exponential growth.
    curveinterp  - Interpolate a field or its gradient onto a set of curves.           
    orbitbreaks  - Separate orbit into passes based on turning points.          
    topo_copyright - Copyright statement for the Smith and Sandwell topography.
   See also jData.

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