S196800600_LEVE_BATHY English utf8 LEVES_BATHY_AVANT_1970.xml dataset Jeu de données Shom +33 (0)2 56.31.23.12 +33 (0)2 56.31.25.80 13, rue du Chatellier CS92803 BREST CEDEX 2 29228 France data-support@shom.fr https://www.shom.fr/ 2025-11-25T22:26:59 ISO 19115:2003/19139 1.0 utf8 surface 2 point false WGS 84 (EPSG:4326) Bathymetric dataset S196800600 Levé bathymétrique S196800600 S196800600 2025-02-05 revision http://www.shom.fr/BATHYMETRIE/LEVES_BATHY_AVANT_1970/S196800600 Shom +33 (0)2 56.31.23.12 +33 (0)2 56.31.25.80 13, rue du Chatellier CS92803 BREST CEDEX 2 29228 France bps@shom.fr http://www.shom.fr/ originator 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. Data are acquired during the campaign S196800600 (http://dx.doi.org/10.17183/S196800600). // Instruments: Sondeur KELVIN-HUGHES // Number of soundings: 16579 Les levés bathymétriques sont des semis de sondes issus de levés provenant de la base des données diffusables par le Shom. Pour les fonds jusqu à 50m, la précision verticale des sondes varie de 30cm à 1m et la précision planimétrique de 1 à 20m. Au-delà, dans les grands fonds, la précision verticale est majoritairement de l ordre de 1 à 2% de la profondeur du fond. Parfois, elle est plus élevée selon la technologie utilisée. Les données sont référencées au ZH qui est assimilé à la Plus Basse Mer Astronomique (PBMA). Les données sont corrigées des variations de la célérité du son dans l eau. Les données proviennent de la campagne S196800600 (http://dx.doi.org/10.17183/S196800600). // Instruments: Sondeur KELVIN-HUGHES // Nombre de sondes: 16579 Shom +33 (0)2 56.31.23.12 +33 (0)2 56.31.25.80 13, rue du Chatellier CS92803 BREST CEDEX 2 29228 France bps@shom.fr http://www.shom.fr/ custodian asNeeded https://services.data.shom.fr/static/imagettes/LEVES_BATHY_AVANT_1970_PACK_DL/S196800600.png thumbnail png Bathymetry and Elevation Bathymétrie et altitude parameter SeaDataNet Parameter Discovery Vocabulary P02 2022-05-04 revision 120 http://www.seadatanet.org/urnurl/SDN:P02 single-beam echosounders echo-sonder instrument SeaDataNet device categories L05 2021-06-15 revision 81 http://www.seadatanet.org/urnurl/SDN:L05 research vessel navire océanographique platform_class SeaVoX Platform Categories L06 2021-03-25 revision 17 http://www.seadatanet.org/urnurl/SDN:L06 Bathymetric Dataset are available under Open License (version 2.0 - April 2017), Etalab mission Les levés bathymétriques sont diffusés sous Licence ouverte (version 2.0 d'avril 2017), définie par la mission Etalab Quote the source as follows: "Shom, bathymetric dataset. DOI: http://dx.doi.org/10.17183/S196800600" Citer la source de la manière suivante: "Shom, levé bathymétrique. DOI: http://dx.doi.org/10.17183/S202001900" Product not certified for navigation Ne pas utiliser pour la navigation Open License (version 2.0 - April 2017), Etalab mission Licence ouverte (version 2.0 d'avril 2017), définie par la mission Etalab Open License (version 2.0 - April 2017), Etalab mission Licence ouverte (version 2.0 d'avril 2017), définie par la mission Etalab No public access restrictions. Pas de restriction d'accès public. 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43.1677289 5.614306699999999 43.1677241 5.614308599999999 43.1677192 5.614310499999999 43.1677144 5.6143122 43.1677095 5.6143138 43.1677045 5.6143154 43.1676996 5.6143168999999995 43.1676946 5.6143183 43.167689599999996 5.6143196 43.1676845 5.6143208 43.1676795 5.614321899999999 43.167674399999996 5.614323 43.1676693 5.6143239 43.1676642 5.6143247999999994 43.167659099999995 5.6143255 43.1676539 5.6143262 43.167648799999995 5.6143268 43.1676436 5.614327299999999 43.167638499999995 5.6143277 43.1676333 5.6143279999999995 43.167628099999995 5.6143282 43.1676229 5.6143284 43.1676177 5.6143284 43.1676125 5.6123689 43.166987999999996 5.6121569 43.167553399999996 5.6136235 43.1693382 5.6153376 43.1696209 5.615584999999999 43.1693205 5.6123689 43.166987999999996 1968-07-08T00:00:00 1968-12-14T00:00:00 4.0999999046325684 244 vertical-crs-id-0 not known vertical-cs-01 coordsys-axis0id Z down 53.962536947151541 http://www.seadatanet.org/urnurl/SDN:L11::D01 Lowest Astronomical Tide not known XYZ ASCII 1.0 Shom +33 (0)2 56.31.23.12 +33 (0)2 56.31.25.80 13, rue du Chatellier CS92803 BREST CEDEX 2 29228 France bps@shom.fr http://diffusion.shom.fr/ distributor 0.39400000000000002 https://diffusion.shom.fr WWW:LINK-1.0-http--link Shom marketplace to download surveys Espace de diffusion du Shom pour télécharger les levés Shom marketplace to download surveys Espace de diffusion du Shom pour télécharger les levés https://data.shom.fr WWW:LINK-1.0-http--link Shom Geoportal Portail d information géographique du Shom https://services.data.shom.fr/INSPIRE/wms/v?service=WMS&request=GetCapabilities&version=1.3.0 OGC Web Map Service Service de consultation LEVES_BATHY_AVANT_1970_WMSV Access point WMS Access point WMS http://www.sdn-taskmanager.org/ WWW:LINK-1.0-http--link SeaDataNet web data access with registration dataset Uncertainty_Horizontal 2019-12-05 publication 21 true Uncertainty_Vertical 2019-12-05 publication 0.02z+0.5 true Bathymetric datasets, collected before 1970, are historical surveys acquired with leadlines (and single-beam echosounders after 1930-1940). Quality controls and qualification, conducted by the Shom, on these datasets are not exhaustive. Datasets may present significant uncertainties and errors may remain. Ask the data centre for details. Levés bathymétriques collectés avant 1970, données historiques principalement acquises au plomb de sondes (et au sondeur monofaisceau après 1930-1940). Le contrôle et la qualification conduits par le Shom sur ces données ne sont pas exhaustifs. Les données peuvent présenter des incertitudes importantes et des erreurs peuvent subsister. Metadata publicly available Métadonnées publiques et gratuites