Data files and formats
by
Laurent Roblou
—
last modified
Apr 19, 2012 05:36 PM
This page provides information on data assimilation run input/output files and formats.
Input files
Data assimilation run requires model and observation input files.
- Model files are:
- unstructured ASCII (native S2C) or NetCDF T-UGOm 2D solution files for tidal elevation (and velocities optionnally)
- mesh file (neighbour format)
- Observation files are:
- tidal constants and error bars (native OBS format), where amplitude and errors are provided in metres and phase lags in degrees.
Output files
A complete data assimilation run produces several solution and diagnostics files.
- for each constituent WAVE processed:
- covariances: WAVE.cov.prior.lgd, WAVE.cov.post.lgd, WAVE.cov.repr.dat
- dispersion spatiale: WAVE.dist2prior.*.dat, WAVE.dist2mean.*.dat, WAVE.dist2analysis.12.dat
- observations: WAVE.assimilated_obs.obs, WAVE.misfit.dat
- analyse: WAVE.EnOI.nc (*), WAVE.innov.prior.lgd, WAVE.innov.post.lgd
- for each data assimilation run:
- obsCovMatrix.nc, modelCovMatrix.nc, fullMatrix.nc, EigenValues.dat
(*) Note: Individual solution and diagnostics files can be written in an ASCII format:
- elevations: W.prior.ele.s2c, W.ele.inc.*.s2c, W.ele.*.s2c
- currents: W.prior.uv.v2c, W.uv.inc.*.v2c, W.uv.*.v2c
- ensemble statistics: W.EnMean.ele.s2c, W.EnVar.ele.s2r, W.EnMean.uv.v2c, W.EnVar.uv.v2r