Litto3D - Nouvelle-Aquitaine 2020-2022

Litto3D provides 3D, continuous sea-land description of French coastal areas. Data is acquired by airborne topo-bathymetric LiDARs. Litto3D products come in 3D point clouds and digital terrain models formats.

The product "Litto3D - Nouvelle-Aquitaine 2020-2022" covers the geographical area from the Charente-Maritime to the Spanish border. For the maritime part, the data produced by Shom extend offshore down to signal extinction, approximatively 20 depth when environmental conditions are optimal. On land, the data are truncated at a limit that ensures the product retain its coastal character.

Simple

Alternate title
Land-sea altimetric database
Date (Creation)
2022-06-18
Identifier
http://www.shom.fr/BATHYMETRIE/LITTO3D/LITTO3D_NAQ_2020_2022
Presentation form
Digital map
Purpose

The main aim is to produce precise digital data with unrivalled resolution (decimetric precision, metric resolution) for french coastal terrain. This solution provides the basic data required to implement many applications and public policies, such as:

• risk prevention (tsunamis, cyclone swell, rising sea level due to global warming, coastal flooding, flooding, erosion, etc.),

• coastal planning studies (roads, ports, etc.),

• improved knowledge of the public maritime territory, tracking coastal withdrawal,

• mapping terrestrial and marine habitats,

• creating current models and related applications (tidal and swell current energy, waste dispersal at sea, sedimentary movements, etc.),

• Integrated Coastal Zone Management (ICZM).
Credit
This operation was led by Shom and IGN (French institute for geographical and forestry information) in partnership with French ministry for Environment, the Nouvelle-Aquitaine Region and the European Union within the framework of the European Regional Development Fund (FEDER).
Author
  Shom
Maintenance and update frequency
Irregular
Theme
  • Product
  • open data
GEMET - INSPIRE themes, version 1.0
Use limitation
Data may be freely used providing that the source is mentioned as follows "Shom - IGN, 2025. https://doi.org/10.17183/LITTO3D_NAQ_2020_2022".
Use limitation
Open licence Etalab v. 2.0 avril 2017.
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.
Access constraints
License
Use constraints
Other restrictions
Other constraints
Open licence Etalab v. 2.0 avril 2017.
Access constraints
Other restrictions
Other constraints
No public access restrictions.
Classification
Unclassified
Spatial representation type
Grid
Spatial representation type
Vector
Distance
1  m
Distance
5  m
Metadata language
freFrançais
Character set
utf8 UTF8
Topic category
  • Elevation
Description
France, Nouvelle-Aquitaine
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Unique resource identifier
RGF93 v1 / Lambert-93 (EPSG:2154)
Distribution format
  • ASC ( inapplicable )

  • LAZ ( inapplicable )

Distributor
  Shom
OnLine resource
Shom geoportal ( WWW:LINK-1.0-http--link )

Shom geoportal

OnLine resource
LITTO3D_NAQ_2020_2022_PYR_3857_WMSR ( OGC Web Map Service )

Access point

OnLine resource
Shom distribution space to download data ( WWW:LINK-1.0-http--link )

Shom distribution space to download tiles

Hierarchy level
Series

Conformance result

Date (Publication)
2013-12-10
Explanation
Information sur la conformité aux spécifications INSPIRE du thème Altitude.
Pass
No

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
These data were acquired by airborne lidars during acquisition campaigns conducted from 7 September 2020 to 29 October 2020, from 30 August 2021 to 30 October 2021 and from 15 April 2022 to 18 June 2022. The topo-bathymetric data lidar come from a HawkEye 3 sensor in double trap configuration (Chiroptera + Deep Channel). Data on land were acquired during the IGN's compaign "LIDAR HD", between 8 May 2021 and 1 October 2023.
File identifier
BATHYMETRIE_LITTO3D_NAQ_2020_2022.xml XML
Metadata language
freFrançais
Character set
utf8 UTF8
Hierarchy level
Series
Hierarchy level name
Collection de données
Date stamp
2025-09-11T13:44:56
Metadata standard name
ISO 19115:2003/19139
Metadata standard version
1.0
Point of contact
  Shom
13 rue du Chatellier , BREST , 29200 , France
 
 

Overviews

overview
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overview
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Spatial extent

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Keywords

Product open data
GEMET - INSPIRE themes, version 1.0
Elevation

Provided by

Access to the portal

Associated resources

Not available