• Catalogue Shom
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  3D hydrodynamic model for the evolution of the ocean

Shom uses HYCOM 3D (Hybrid Coordinate Ocean Model) digital models to model changes to the ocean environment (currents, temperature, salinity). These HYCOM 3D models include a scalable (space and time) vertical grid, which is particularly suitable for the coastal regions and physical phenomena modelled (particularly the transition from a deep sea zone to the continental shelf, and the presence of frontal zones).

These models were adapted to coastal models at Shom, particularly by integrating tides and the effects of rivers. These models focus on changes and variability in the different physical processes affecting coastal areas (continental shelves and slopes), such as tidal fronts, river plumes, tides and internal waves, upwelling and the dynamics of the mixed layer at an hourly frequency and with high spatial resolution (1/60 deg for the Biscay Channel model).

 
Citation proposal
(2017) . 3D hydrodynamic model for the evolution of the ocean. https://services.data.shom.fr:/geonetwork/WS/api/records/OCEANO_MODELE_HYDRODYN.xml
 

Simple

Date ( Publication )
2017-02-21
Edition
Identifier

http://www.shom.fr/OCEANO/MODELE_HYDRODYN

Purpose

In addition to the effective modelling of general water circulation in the ocean basins, for which the HYCOM model was originally designed, thanks to the digital developments applied by Shom (review of time-based digital diagrams, consideration of the free surface, boundary conditions, etc.) and the properties of the hybrid vertical coordinates, HYCOM is ideal for modelling regional and coastal processes such as: - the barometric tide and shallow waters, - the internal tide, - thermohaline fronts, - vortex dynamics, - mixed layer dynamics with the homogeneous zone and the thermocline.

Credit

Shom

  Point of contact

Shom  

13 rue du Chatellier

BREST

29200

France


Maintenance and update frequency
Daily
Update scope
Dataset
Keywords ( Theme )
  • model

  • oceanography

  • temperature

  • current

  • salinity

  • sea level

  • product

  • open data

GEMET - INSPIRE themes, version 1.0 ( Theme )
  • Oceanographic geographical features
INSPIRE Spatial scope
  • Nationales
High-value dataset categories
  • Observation de la terre et environnement
Use limitation

The product is distributed under an Opendata license (version 2.0, April 2017), defined by the Etalab mission.

Use limitation

Data may be freely used providing that the source is mentioned as follows "Shom-2017"

Use limitation

HYCOM3D Hydrodynamic forecasts (Shom) are released under the Open License version 2.0 of April 2017, defined by the Etalab mission.

Access constraints
License
Use constraints
Other restrictions
Other constraints

Open License version 2.0 of April 2017, defined by the Etalab mission.

Access constraints
Other restrictions
Classification
Unclassified
Spatial representation type
Grid
Metadata language
fre French
Character set
utf8 UTF8
Topic category
  • Oceans
N
S
E
W


Distribution format
  • NetCDF

    (

    3

    )

  Point of contact

Shom  

OnLine resource
Shom Geoportal  

Shom Geoportal

OnLine resource
Access point / WMS  

Access point / WMS

Hierarchy level
Series

Conformance result

Date ( Publication )
2010-11-23
Explanation

Information sur la conformité au règlement d'interopérabilité des séries et des services de données géographiques.

Pass
true

Conformance result

Date ( Publication )
2013-12-10
Explanation

Information sur la conformité de la ressource à une spécification (INSPIRE).

Pass
true
Statement

Shom HYCOM 3D models are processed on a daily basis using the Météo-France computing system and provide a daily analysis (D-1) and five days of forecasts (from D to D+4). The depth of the forecast depends on the forcing mechanisms used. The following forcing mechanisms are used: Meteorology: Météo France Oceanography HR Arpège model (open borders): Mercator Ocean Hydrology PSY4 model: SCHAPI river flows.

The Hycom layer provided on-line via data.shom.fr is broken down as follows to limit data volumes:

HYCOM3D-SURF: a netcdf file per analysis date or forecast containing 24 hourly deadlines for all surface parameters (extraction of the first layer of the 3D model)

HYCOM3D-MJ: a netcdf file per analysis date or forecast with a deadline, representing the daily average for all parameters (this average value is valid for the date in question, with deadlines from 00 to 23:00 centred at 12:00, but adjusted to 11:30 UTC). The layer is reprojected on a vertical Z grid with 50 levels: 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 100, 125, 150, 175, 200, 250, 300, 350, 400, 500, 600, 700, 800, 900, 1000, 1250, 1500, 2000, 2500, 3000, 4000, 5000.

gmd:MD_Metadata

File identifier
OCEANO_MODELE_HYDRODYN.xml   XML
Metadata language
French
Character set
UTF8
Hierarchy level
Series
Hierarchy level name

Collection de données

Date stamp
2014-07-25T14:56:54
Metadata standard name

ISO 19115:2003/19139

Metadata standard version

1.0

  Point of contact

Shom  

13 rue du Chatellier

BREST

29200

France


 
 

  Overviews

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  Provided by

  Views

  • INSPIRE
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  • XML
OCEANO_MODELE_HYDRODYN.xml   Access to the portal Read here the full details and access to the data.

  Associated resources

Not available


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