Date (Creation)

2015-09-09T00:00:00

Citation identifier

http://www.shom.fr/BATHYMETRIE/MNT_ATL100m_HOMONIM_WGS84

Presentation form

Digital map

Credit

©Shom

Status

On going

Point of contact

Organisation name	Individual name	Electronic mail address	Role
Shom		bps@shom.fr	Owner

Maintenance and update frequency

Not planned

GEMET - INSPIRE themes, version 1.0

• Elevation

Theme

• bathymetry

• digital elevation model

• Product

• open data

Place

• Bay of Biscay

• Channel

• North Sea

Discipline

• Geophysic

INSPIRE Spatial scope

• Nationales

High-value dataset categories

• Observation de la terre et environnement

Use limitation

Data may be freely used providing that the source is mentioned as follows "Shom,2015. MNT Bathymétrique de façade Atlantique (Projet Homonim). http://dx.doi.org/10.17183/MNT_ATL100m_HOMONIM_WGS84 "

Use limitation

Data may not be modified or distributed without the agreement of the distributor.

Use limitation

Do not use for navigation

Use limitation

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

Use limitation

Data may not be modified or distributed without the agreement of the distributor.

Access constraints

Other restrictions

Use constraints

License

Other constraints

Data may be freely used providing that the source is mentioned as follows "Shom,2015. MNT Bathymétrique de façade Atlantique (Projet Homonim). http://dx.doi.org/10.17183/MNT_ATL100m_HOMONIM_WGS84 "

Access constraints

Other restrictions

Other constraints

No public access restrictions.

Classification

Unclassified

Spatial representation type

Grid

Distance

0.001  dd

Language

Français

Character set

UTF8

Topic category

• Elevation

Reference system identifier

EPSG / WGS 84 (EPSG:4326) / 7.9

Number of dimensions

2

Dimension name

Row

Dimension size

11851

Resolution

0.001  dd

Dimension name

Column

Dimension size

9651

Resolution

0.001  dd

Cell geometry

Area

Transformation parameter availability

No

Distribution format

Name	Version
ArcGis Grid	-
BAG	-
GLZ	-
GRD	-

Distributor contact

Organisation name	Individual name	Electronic mail address	Role
Shom		data-support@shom.fr	Distributor

OnLine resource

Protocol	Linkage	Name
WWW:LINK-1.0-http--link	https://data.shom.fr/	Shom geoportal
OGC:WMS	https://services.data.shom.fr/INSPIRE/wms/r?service=WMS&request=GetCapabilities&version=1.3.0	MNT_ATL100m_HOMONIM_PBMA_3857_WMSR
WWW:LINK-1.0-http--link	https://services.data.shom.fr/INSPIRE/telechargement/prepackageGroup/MNT_ATL100m_HOMONIM_PBMA_4326_PACK_DL/prepackage/MNT_FACADE_ATLANTIQUE_HOMONIM_NM/file/MNT_FACADE_ATLANTIQUE_HOMONIM_NM.7z	Download service MSL
WWW:LINK-1.0-http--link	https://services.data.shom.fr/INSPIRE/telechargement/prepackageGroup/MNT_ATL100m_HOMONIM_PBMA_4326_PACK_DL/prepackage/MNT_FACADE_ATLANTIQUE_HOMONIM_PBMA/file/MNT_FACADE_ATLANTIQUE_HOMONIM_PBMA.7z	Download service LAT
WWW:LINK-1.0-http--link	https://diffusion.shom.fr/produits/bathymetrie/mnt-facade-atl-homonim.html	Shom distribution space

Hierarchy level

Dataset

Statement

In addition to the Shom data, the surveys of external organisms have been exploited, the contributors of which are as follows: CIAT, CLAREC, Conseil Régional Nord-Pas-de-Calais, Conseil Général des Côtes d'Armor, DDTM Calvados, Charente Maritime, Gironde, Ille-et-Vilaine, Morbihan, Pyrénées-Atlantiques, Vendée, GIP Loire Estuaire, GIP Seine Aval, Grands Ports Maritimes de Dunkerque, Rouen, Le Havre, Nantes/St-Nazaire, La Rochelle, Bordeaux, Ifremer, IGN, Institution d'Aménagement de la Vilaine, INSU, IRSN, Port du Médoc, Ports Normand Associés, UKHO, Université de Bordeaux (laboratoire EPOC), OLEX, Ordnance Survey, Service Hydrographique Belge, Syndicat Mixte de la Ria d'Etel.

The DEM use data from the global EMODnet DEM: « This portal was initiated by the European Commission as part of developing the European Marine Observation and Data Network (EMODnet). The overall objective of EMODnet is to create pilots to migrate fragmented and inaccessible marine data into interoperable, continuous and publicly available data streams for complete maritime basins. The Hydrography portal development started in June 2009 and now provides a range of options for freely browsing and downloading new Digital Terrain Models (DTM) for a large part of the European seas. The downloadable tiles are freely available in a number of formats. The EMODnet digital bathymetry has been produced from bathymetric survey data and aggregated bathymetry data sets collated from public and private organizations. These are processed and quality controlled. A further refinement and expansion is underway, by gathering additional survey data sets, expanding geographical coverage to all European sea regions and upgrading the DTM grid resolution, and will result in new releases in time. The portal also includes a metadata discovery service that gives clear information about the background survey data used for the DTMs, their access restrictions, originators and distributors. ».

GEBCO bathymetric grid may be used to prepare the DEM for any non-commercial purpose, without need for prior approval.

Description

The main tasks involved in producing this range of solutions are based on 4 key aspects, each intended to reduce uncertainty for the DEM:

1) collecting, evaluating, pre-processing and selecting data from multiple sources after acquisition using survey systems from various eras;

2) homogenising the vertical and horizontal datums for data sets;

3) using interpolation algorithms suitable for a heterogeneous distribution and the variable density of data, and

4) evaluating and qualifying the final product and preparing documentation.

Metadata

File identifier

MNT_ATL100m_HOMONIM_WGS84.xml XML

Metadata language

Français

Character set

UTF8

Hierarchy level

Dataset

Date stamp

2015-11-02T09:36:02

Metadata standard name

ISO 19115:2003/19139

Metadata standard version

1.0

Metadata author

Organisation name	Individual name	Electronic mail address	Role
Shom		data-support@shom.fr	Point of contact

Other language

Language	Character encoding
English	UTF8