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2D hydrodynamic model of water levels and surges (France)

To model water levels (including astronomical tides and meteorological surges), the Shom uses a barotropic (2D) version of the HYCOM code (https://hycom.org/) configured on 2 domains: Atlantic and Mediterranean. The configurations have been parameterised with fine bathymetry and a curvilinear grid with variable resolution ranging from 2km offshore to 500m at the coast. These models have been adapted by the Shom to model coastal areas by taking into account, in particular, the tide and high-resolution bathymetry in the coastal zone (from 100m for the façade DTMs to 20m for the coastal DTMs) using, in particular, Litto3D surveys by airborne LIDAR. The models are operated by Météo-France and the Shom within the framework of the Wave-Submersions vigilance.

Data and Resources

Additional Info

Field Value
Original title
Original abstract
Topic category
  • physical_characteristics
Sub category Oceanographic parameters
Resource language English
Domain area
  • french_part_of_the_mediterranean_sea
Owner Shom
Provider Shom
Data portal data.shom.fr
Presentation form Map (map represented in raster or vector form)
Spatial representation Raster (grid)
Coordinate reference system epsg:4326 - WGS84 (degree)
Web services OGC-WMS
Derives from
Derived datasets
Successor of
Predecessor of
Temporal extent
Spatial extent
Data accessibility The data is accessible through the Shom geoportal: https://data.shom.fr HYCOM forecasts are released under the Opendata "Open License" (version 2.0 of April 2017) defined by the Etalab mission. Free use subject to citing the source and the last date of update.
Validation level
Additional information The surge and water level forecasts available on data.shom.fr are updated once a day from the 00H00UTC run provided by the Météo-France calculator. They provide one day of analysis (D-1) and four days of forecasting (from D to D+3). The forcings used are as follows: Meteorology: Météo France Arpège model (EURAT0.1 grid) Oceanography (open boundaries) : Harmonic tidal components from Shom.
Metadata completeness
Notes

Additional info - MSP - Environment

Species, habitats, ecosystems, pressures

Field Value
MSFD Classes
MSFD Descriptors/Criteria
Non MSFD Classes
WFD

Additional info - MSP - Oceanographic and CC

Physics, biochemistry, EOV, ECV

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Variables

Additional info - MSP - Conservation

Protected areas, OECM, IBA, EBSA, CCH, IMMA, ...

Field Value
Types
Zonation

Additional info - MSP - Maritime activities

Aquaculture, fishing, transport, energy, ...

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Activity types

Additional info - MSP - Coastal & Land use and planning

Land use, land cover, planning (strategic, coordination, operational)

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Types

Additional info - MSP - Socio-economic

Living and non-living resources, shipping, tourism, energy, ...

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Activity types
Value types
Categories

Additional info - MSP - Ecosystem Services

Provisioning, regulation & maintenance, cultural

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CICES classes

Additional info - MSP - Legal, Governance & Planning

Strategic, legislation, planning, administrative, enforcement

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Themes
Functions
Who is in charge?

Additional info - MSP - Relevance

Relevance of the dataset / resource in supporting the MSP process at different spatial scales and temporal frames

Field Value
Relevance (spatial and temporal)