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La Rochelle Hydrodynamics

La Rochelle Hydrodynamics. What’s new. Study Area. Operational model. Operational since 01/01/2014 Meteo : GFS 50 km Open Boundary conditions : Mercator Ocean Discharges : monthly averages from 2012 data ( not available real time data). La Rochelle operational model.

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La Rochelle Hydrodynamics

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  1. La RochelleHydrodynamics What’snew

  2. StudyArea

  3. Operationalmodel • Operationalsince 01/01/2014 • Meteo: GFS 50 km • Open Boundaryconditions: Mercator Ocean • Discharges: monthlyaveragesfrom 2012 data (notavailable real time data)

  4. La Rochelleoperationalmodel http://forecast.maretec.org/maps_LaRochelle.asp

  5. Modelvalidation • Validationperiod: • Jan 2012-Jun 2012 • Data used: • Waterlevel • Tidalanalysis • Temperature • Profiles • Satelliteimages • Salinity • ModelConfiguration: • Meteo: Meteofrance 3Km • Data assimilation: Mercator Ocean • Dailyfreshwater • RiverTemperaturewasderivedfromhistorical data

  6. Waterlevel LA ROCHELLE LA PALLICE

  7. Waterlevel ILE D’AIX

  8. - PORT BLOC - ROYAN Waterlevel

  9. Tidalanalysis (1) LA ROCHELLE LA PALLICE

  10. Tidalanalysis (2) ILE D’AIX

  11. Tidalanalysis (3) POINTE DE GRAVE PORT BLOC

  12. Tidalanalysis (4) ROYAN

  13. Vertical ProfilesComparison • Period: • May-Jun 2012 • Cruise: • Pelgas • Data Source: • MEDATLAS • Parameters: • Salinity • Temperature

  14. TEMPERATURE PROFILES EXAMPLES Temperatureprofiles

  15. ComparisonwithsatelliteimagesTemperatureDomain 2 Credits: Fernando Machado Francisco Campuzano

  16. ComparisonwithsatelliteimagesTemperatureDomain 3 Credits: Fernando Machado Francisco Campuzano

  17. ComparisonwithsatelliteimagesTemperatureDomain 3 Credits: Fernando Machado Francisco Campuzano

  18. Salinity DOMAIN 2 2.5 km resolution (no freshwaterdischarges) DOMAIN 3 - 500 m resolution (withfreshwaterdischarges)

  19. SALINITY PROFILES EXAMPLES

  20. ComparisonSatellite-MOHID-Mercator OceanLevel 2 MohidsolutionisconsistentwithassimilatedsolutionfromMyOcean/Mercator Thecomparisonwith data shows that Mercator and as a consequence, MOHID havelowagreementwith data in June

  21. Comparison Satellite-MOHID-Mercator Ocean Level 2 MohidsolutionisconsistentwithassimilatedsolutionfromMyOcean/Mercator Thecomparisonwith data shows that Mercator and as a consequence, MOHID havelowagreementwith data in June

  22. Validationoutcomes • Waterlevelresultsshowed a goodagreementwith data • PeriodMay-June: Salinityprofileshadgoodagreementwith data • In May-junetemperatureresultshadlowagreementwith data. • Mercator-Ocean data assimilation • Imposedtemperature in theriver

  23. Applicationofthemodel • Water Budget • Residence time ofwater

  24. Mainshellfishareas (ifremer)

  25. Waterbudgetin themain bivalves areas Bottomlayer Surfacelayer

  26. Vertical waterfluxes Downward Upward

  27. Bottomwaterrenewal • Spring scenario

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