S196800800_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/ 2025-11-25T22:44:54 ISO 19115:2003/19139 1.0 utf8 surface 2 point false WGS 84 (EPSG:4326) Bathymetric dataset S196800800 Levé bathymétrique S196800800 S196800800 2025-08-28 revision http://www.shom.fr/BATHYMETRIE/LEVES_BATHY_AVANT_1970/S196800800 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 S196800800 (http://dx.doi.org/10.17183/S196800800). // Instruments: Sondeur KELVIN-HUGHES // Number of soundings: 15855 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 S196800800 (http://dx.doi.org/10.17183/S196800800). // Instruments: Sondeur KELVIN-HUGHES // Nombre de sondes: 15855 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/S196800800.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/S196800800" 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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43.1005985 6.3191795 43.0995912 6.3207078999999995 43.0984797 6.3198742 43.0952493 6.3207773 43.095110299999995 6.320655750062811 43.0945413964589 6.320161990159449 43.09223039767131 6.319909 43.091046299999995 6.320145657777777 43.091046299999995 6.3209858 43.091046299999995 6.3221668 43.090768399999995 6.3231741 43.0908379 6.3238801652638 43.09046883722896 6.3247025 43.090039 6.326022399999999 43.0896569 6.3268561 43.09122 6.3274466 43.091080999999996 6.3281065 43.0900737 6.329113899999999 43.0884064 6.3305728 43.088059 6.3317537999999995 43.0879201 6.3330737 43.0876422 6.333872599999999 43.088649499999995 6.3356789 43.0881632 6.3366862 43.088059 6.337936699999999 43.0881632 6.3391872 43.087537999999995 6.338944 43.0859749 6.337693499999999 43.082952899999995 6.337242 43.081876099999995 6.336651499999999 43.0795488 6.336061 43.0776037 6.3347063 43.0741648 6.333559999999999 43.074338499999996 6.3326569 43.0728796 6.3318579999999995 43.0730186 6.331128499999999 43.0710039 6.3294612 43.0712818 6.3289748999999995 43.0724628 6.3277244 43.072705899999995 6.3263003 43.0726365 6.3251193 43.0731575 6.3240077 43.0734007 6.3229657 43.073261699999996 6.3219236 43.0735396 6.3212984 43.071906999999996 6.3202563 43.0720112 6.3195616 43.0712818 6.3184153 43.072428099999996 6.3189711 43.074269 6.3171995999999995 43.074824799999995 6.3156365 43.0706913 6.318067999999999 43.0704481 6.3173385 43.068086099999995 6.3183111 43.0679472 6.3168175 43.0638137 6.3159144 43.0611043 6.3185543 43.0616601 6.317127016571055 43.058699006638605 1968-10-08T00:00:00 1969-03-14T00:00:00 3.2000000476837158 119 vertical-crs-id-0 not known vertical-cs-01 coordsys-axis0id Z down 28.191296122571114 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 0.38400000000000001 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 0.1z+20 true Uncertainty_Vertical 2019-12-05 publication 0.01z+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