Data Assimilation

A hierarchy of data assimilation techniques are evaluated as a function of computational resources and prediction accuracy:

  1. the Optimal Interpolation (OI)
  2. the Parameter Matrix Objective Analysis algorithm (PMOA)
  3. the Reduced Order Adaptive Filter (ROAF)
  4. the Reduced Order Information Filter (ROIF)

Contributions

Attachments:
FileAuthorsSourceFile sizeCreated
 Status and progress of NCODA assimilation in HYCOMCummingsNRL, (11th HYCOM)1192 kB2009
 Gulf of Mexico data assimilation inter-comparison projectSrinivasanFSU, (11th HYCOM)3608 kB2009
 Ensemble-based assimilation of HF-Radar surface currents in a West Florida ShelfBarthUniversity of South Florida, (11th HYCOM)2066 kB2009
 HYCOM data assimilation at NCEPLozanoMMAB/NCEP, (11th HYCOM)2194 kB2009
 T/S relationships by local regressionThackerNOAA/AOML, (10th HYCOM)2213 kB2009
 Multi-processor implementation of ROIF assimilation scheme for HYCOMSrinivasanUM/RSMAS, (9th HYCOM)2200 kB2009
 Reduced Order Information Filter updateChin, SrinivasanUM/RSMAS, (7th HYCOM)97 kB2009
 An update on the comparison of sequential assimilation schemesSrinivasan, Chassignet, Thacker, Smedstad, Counillion, Bertino, Brankart, Brasseur, Chin, CummingsRSMAS-CCS / University of Miami (LOM 2009)2024 kB2009
 Improving the Parameterization of Errors Statistics for Data AssimilationBrasseur, Broquet, Brankart, Castruccio, Lauvernet, VerronLEGI, (Ocean Sciences 2008)3444 kB2009
 Handling salinity when assimilating XBT dataThackerNOAA/AOML, (8th HYCOM)1567 kB2009
 Gulf of Mexico data assimilation comparison exerciseChassignetFSU/COAPS, (10th HYCOM)4756 kB2009
 Multivariate properties of the Ensemble Optimal Interpolation in the GoMCounillonNERSC, (10th HYCOM)2210 kB2009
 The NCODA implementation with re-layerizationKangNOAA/AOML, (9th HYCOM)1795 kB2009
 Implementation of the EnKF at NRL-StennisNgodock, SmedstadDMS/USM, PSI, (8th HYCOM)68 kB2009
 Implementation of the SEEK filter in HYCOMBrasseurCNRS, Grenoble, (7th HYCOM)6395 kB2009
 Review of the NRL Multivariate Ocean Data Assimilation SystemCummings, HodurNRL, (7th HYCOM)881 kB2009
 HYCOM Ocean Prediction in FranceBarailleSHOM, (7th HYCOM)1282 kB2009
 The 1/12° N. Atlantic Ocean Prediction SystemSmedstad, LundeNRL, (7th HYCOM)2440 kB2009
 Status of NRL coupled ocean data assimilation (NCODA) systemCummingsNRL, (9th HYCOM)470 kB2009
 Description of recent updates to the NRL Coupled Ocean Data Assimilation SystemCummingsNRL, Monterey, (8th HYCOM)356 kB2009
 A hindcast experiment with the 1/12 North Atlantic HYCOM modelParentNRL, (9th HYCOM)2454 kB2009
 Gulf of Mexico data assimilation comparison exerciseLozanoNCEP/NOAA, (10th HYCOM)437 kB2009
 On a 3D variational assimilation scheme in hybrid coordinatesLozanoNCEP/NOAA, (10th HYCOM)979 kB2009
 Implementation of the NRL coupled ocean data assimiltion (NCODA) system in HYCOMSmedstadPlanning Systems, (9th HYCOM)1807 kB2009
 Implementation of the MVOI assimilation scheme in HYCOMSmedstadPlanning Systems, (8th HYCOM)1560 kB2009
 Demo and Comparison of Sequential Approaches for Altimeter Data AssimilationSrinivasan, Chassignet, Smedstad, Thacker, Bertino, Brasseur, Chin, Counillon, CummingsFSU/COAPS, (Ocean Sciences 2008)3259 kB2009
 The Navy Coupled Ocean Data Assimilation (NCODA) in HYCOMSmedstadPlanning Systems, (10th HYCOM)3866 kB2009
 Constrained Data AssimilationThackerNOAA/AOML, (10th HYCOM)91 kB2009
 Diagnostics for variability in HYCOM runs with data assimilationGarraffoUM/RSMAS, (9th HYCOM)1574 kB2009

Disclaimer

This is a demonstration product from the HYCOM Consortium and is provided as is. HYCOM Consortium does not warrant or suggest that this data is fit for any particular purpose. Further, neither COAPS nor HYCOM consortium guarantees availability, service updates, or timely data delivery.

All hycom data provided is UNCLASSIFIED. DoD DISTRIBUTION A. Approved for Public Release; Distribution Unlimited.