PHILEX IOP09 February/March 2009 Exercise - MSEAS Reanalysis Page

2 February - 24 March 2009

This web page presents the output from a fifty-one day long free surface simulation in our archipelago domain. This is the latest re-analysis for the full PHILEX-IOP period (issued on 9 June 2009).

The simulation is forced with a combination of COAMPS (wind stress) and NOGAPS (heat-flux, E-P) atmospheric forcing. It is initialized using a February climatology from the World Ocean Atlas, created using our Fast-Marching-Method Objective Analysis scheme to account for the complex geometries and the disconnected seas at depth. Large-scale open boundary conditions are weakly forced by HYCOM fields, provided by Joseph Metzger, Ole Martin Smedstad and Harley Hurlburt (NRL-SSC). The bathymetry used is that of Smith and Sandwell. All simulations are forced with our Generalized Inverse High-Resolution Barotropic Tides. Plots of the COAMPS winds can be found here.

Remotely-sensed Sea Surface Height anomalies and Sea Surface Temperature are the only synoptic data utilized for initialization and assimilation. No hydrographic data are currently available.

The min/max values under each plot are for the plotted field, while the plot values are indicated by the colorbar. The velocity vectors are scaled by the vector seen on the plot. The colorbars are consistent for each variable and location, but differ from variable to variable.

February 2 - March 24: Snapshot Time-Series of the Estimated Ocean State (every 6 hours)
9km Archipelago Domain
T 0m T 50m T 100m T 400m
S 0m S 50m S 100m S 400m
Vel. 0m Vel. 50m Vel. 100m Vel. 400m
3km Mindoro Strait Domain
T 0m T 50m T 100m T 200m
S 0m S 50m S 100m S 200m
Vel. 0m Vel. 50m Vel. 100m Vel. 200m
1km Mindoro Strait Domain
T 0m T 50m T 100m T 200m
S 0m S 50m S 100m S 200m
Vel. 0m Vel. 50m Vel. 100m Vel. 200m
3km Bohol Sea Domain
T 0m T 50m T 100m T 200m
S 0m S 50m S 100m S 200m
Vel. 0m Vel. 50m Vel. 100m Vel. 200m

Vertical Sections
Mindoro Strait 1 Temperature Salinity Velocity - Along Velocity - Across
Mindoro Strait 2 Temperature Salinity Velocity - Along Velocity - Across
Sulu Sea Temperature Salinity Velocity - Along Velocity - Across
Bohol Sea Temperature Salinity Velocity - Along Velocity - Across
San Bernadino Strait Temperature Salinity Velocity - Along Velocity - Across

Plots for the biological variables are located here.

NetCDF files with Simulation Field Estimates

The following files contain our MIT field estimates in time and 3D space, for the following variables: temperature, salinity, surface pressure, total velocity, vertical velocity. To create horizontal maps at given depth or sections at given lat/lon, don't hesitate to contact us.

NetCDF files
Along Grid MIT_phys_reanal_20090609_20090202_20090325_06h.nc.gz
Geographic MIT_phys_reanal_geo_20090609_20090202_20090325_06h.nc.gz

To help extract data from these files in Matlab, we include the function readhopspe.m. To use this function, you'll also need to download

  1. The appropriate mexnc for your system
  2. the NetCDF ToolBox
Then you need to edit your MATLABPATH to include the necessary directories. In the below example, both mexnc and the NetCDF ToolBox were installed in the directory /matlab/toolbox/local 
        /matlab/toolbox/local/mexnc
        /matlab/toolbox/local/netcdf_toolbox/netcdf
        /matlab/toolbox/local/netcdf_toolbox/netcdf/ncutility
        /matlab/toolbox/local/netcdf_toolbox/netcdf/nctype
Notice that you have to include to additional subdirectories that are part of the NetCDF ToolBox.

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