Bathymetric datasets
Bathymetric datasets are an extraction of surveys belonging to the Shom public database. For depth up to 50m, the vertical precision of soundings varies from 30cm to 1m and the horizontal precision varies from 1 to 20m. In deep ocean, the vertical precision is mainly around 1 or 2% of the bottom depth. It is sometimes more, it depends on the technology used. The data are referenced to ZH which is assimilated to LAT. Data are corrected for sound velocity variations.
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October 27 2025 version
Simple
- Date (Creation)
- 2023-08-08
- Date (Revision)
- 2025-10-27
- Identifier
- http://www.shom.fr/BATHYMETRIE/LEVES_BATHY
- Presentation form
- Digital map
- Credit
- ©Shom
- Maintenance and update frequency
- Irregular
- Theme
-
- bathymetry
- open data
- Product
- Use limitation
- Data may be freely used providing that the source is mentioned as follows "Shom, 2026. https://dx.doi.org/10.17183/LEVES_BATHY". Open licence Etalab v. 2.0 avril 2017.
- Use limitation
- Do not use for navigation.
- Use limitation
- Data may be freely used providing that the source is mentioned as follows "Shom, 2026. https://dx.doi.org/10.17183/LEVES_BATHY". Open licence Etalab v. 2.0 avril 2017.
- Use limitation
- Do not use for navigation.
- Access constraints
- License
- Use constraints
- Other restrictions
- Other constraints
- Open Licence version 2.0
- Access constraints
- Other restrictions
- Other constraints
- No public access restrictions.
- Classification
- Unclassified
- Spatial representation type
- Vector
- Metadata language
- freFrançais
- Character set
- utf8 UTF8
- Topic category
-
- Elevation
- Begin date
- 1816-01-01T00:00:00
- End date
- 2025-07-03T00:00:00
- Unique resource identifier
- WGS 84 (EPSG:4326)
- Distribution format
-
-
XYZ ASCII
(
1.0
)
-
XYZ ASCII
(
1.0
)
- OnLine resource
-
Shom Geoportal
(
WWW:LINK-1.0-http--link
)
Shom Geoportal
- OnLine resource
-
Shom marketplace
(
WWW:LINK-1.0-http--link
)
Shom marketplace
- OnLine resource
- Download service - Bathymetric datasets before 1970 ( WWW:LINK-1.0-http--link )
- OnLine resource
- Download service - Bathymetric datasets between 1970 and 1990 ( WWW:LINK-1.0-http--link )
- OnLine resource
- Download service - Bathymetric datasets between 1990 and 2005 ( WWW:LINK-1.0-http--link )
- OnLine resource
- Download service - Bathymetric datasets after 2005 ( WWW:LINK-1.0-http--link )
- OnLine resource
- LEVES_BATHY_AVANT_1970_WMSV ( OGC Web Map Service )
- OnLine resource
-
LEVES_BATHY_1970-1990_WMSV
(
OGC Web Map Service
)
Access point / WMS Bathymetric datasets between 1970 and 1990
- OnLine resource
-
LEVES_BATHY_1990-2005_WMSV
(
OGC Web Map Service
)
Access point / WMS Bathymetric datasets between 1990 and 2005
- OnLine resource
- LEVES_BATHY_APRES_2005_WMSV ( OGC Web Map Service )
- OnLine resource
- LEVES_BATHY_AVANT_1970_WFS:leves_bathy_avant_1970 ( OGC Web Feature Service )
- OnLine resource
-
LEVES_BATHY_1970-1990_WFS:leves_bathy_1970_1990
(
OGC Web Feature Service
)
Access point / WFS Bathymetric datasets between 1970 and 1990
- 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
- Yes
- Statement
- Bathymetric datasets are an extraction of surveys belonging to the Shom public database. They go through a quality control before integration. Quality controls and qualification, conducted by the Shom, on these datasets are not exhaustive. Datasets may present significant uncertainties and errors may remain. From 1968, datasets are in compliance with the S-44 Standards of the International Hydrographic Organization which were in effect at the time of survey. In the Shom public database, dense datasets are decimated (typically 1m for shallow waters and 100m for deep waters).
- File identifier
- LEVES_BATHY.xml XML
- Metadata language
- freFrançais
- Character set
- utf8 UTF8
- Hierarchy level
- Series
- Hierarchy level name
- Collection de données
- Date stamp
- 2026-03-24T12:34:30
- Metadata standard name
- ISO 19115:2003/19139
- Metadata standard version
- 1.0
Overviews
Spatial extent
Provided by
Catalogue PIGMA