66c5957b-6cb5-4fce-9ca5-1cb609fa39b5 Vaz Sandrine IFREMER Station de Sète - Avenue Jean Monnet - CS 30171 - 34203 Sète Cedex Sete France Sandrine.Vaz@ifremer.fr author Combes Magali IFREMER magali.combes@ifremer.fr author 2025-05-15T22:41:57.663403Z ISO 19115-3 - SEXTANT 1.0 2 273 25 491 25 false +proj=aea +lat_1=43 +lat_2=62 +lat_0=30 +lon_0=-30 +x_0=0 +y_0=0 +datum=WGS84 +units=m +no_defs +ellps=WGS84 +towgs84=0,0,0 Geomophologic features (fractures, canyons, seamounts) on the North Atlantic 2019-08-14 publication FR-330-715-368-00032-IFR_MARBEC_ATLAS_Geomorpho DOI:10.12770/66c5957b-6cb5-4fce-9ca5-1cb609fa39b5 Distribution of three geomorphologic features (fracture zones, canyons, and seamounts) on the North Atlantic (18°N to 76°N and 36°E to 98°W). Source vector data originated from the GEBCO Gazetteer of Undersea Features Names for fractures, Harris & Whiteway (2011) for canyons, and Yesson et al. (2011) for seamounts. The presence (value=1) of fracture zones or seamounts and the total length of canyons (in km, independently for shelf-incising or blind canyons) was extracted in 25km * 25km gridsquares. This dataset was built to feed a basin-wide spatial conservation planning exercise, targeting the deep sea of the North Atlantic. The goal of this approach was to identify conservation priority areas for Vulnerable Marine Ecosystems (VMEs) and deep fish species, based on the distribution of species and habitats, human activities and current spatial management. Horizon 2020 ATLAS project (EU) Combes Magali IFREMER magali.combes@ifremer.fr author Vaz Sandrine IFREMER Station de Sète - Avenue Jean Monnet - CS 30171 - 34203 Sète Cedex Sete France Sandrine.Vaz@ifremer.fr author IFREMER sismer@ifremer.fr publisher https://sextant.ifremer.fr/geonetwork/srv/api/records/66c5957b-6cb5-4fce-9ca5-1cb609fa39b5/attachments/canyons_shelf_incising_map.png /Physical Environment/Geology/Geomorphology Thèmes Sextant 2019-01-28 publication geonetwork.thesaurus.local.theme.sextant-theme Geology GEMET - INSPIRE themes, version 1.0 2018-07-27 publication geonetwork.thesaurus.external.theme.httpinspireeceuropaeutheme-theme CC-BY-NC-SA (Creative Commons - Attribution, Pas d’utilisation commerciale, Partage dans les mêmes conditions) grid 25 utf8 oceans environment -98.00 36.00 18.00 76.00 https://sextant.ifremer.fr/services/wms/atlas_eu OGC:WMS IFR_MARBEC_ATLAS_BLIND_CANYONS_NORTHATL Blind canyons - North Atlantic COPYFILE IFR_MARBEC_ATLAS_BLIND_CANYONS_NORTHATL Blind canyons - North Atlantic https://doi.org/10.1016/j.dsr.2011.02.004 WWW:LINK Yesson, C., Clark, M. R., Taylor, M. L., & Rogers, A. D. (2011). The global distribution of seamounts based on 30 arc seconds bathymetry data. Deep Sea Research Part I: Oceanographic Research Papers, 58(4), 442–453. https://doi.org/10/d8g2c6 https://doi.org/10.1016/j.margeo.2011.05.008 WWW:LINK Harris, P. T., & Whiteway, T. (2011). Global distribution of large submarine canyons: Geomorphic differences between active and passive continental margins. Marine Geology, 285(1–4), 69–86. https://doi.org/10/bjnm2f https://www.gebco.net/ WWW:LINK IHO-IOC (2019) GEBCO Gazetteer of Undersea Feature Names, www.gebco.net https://sextant.ifremer.fr/services/wms/atlas_eu OGC:WMS IFR_MARBEC_ATLAS_SHELF_INCISING_CANYONS_NORTHATL Shelf-incising canyons - North Atlantic COPYFILE IFR_MARBEC_ATLAS_SHELF_INCISING_CANYONS_NORTHATL Shelf-incising canyons - North Atlantic https://sextant.ifremer.fr/services/wms/atlas_eu OGC:WMS IFR_MARBEC_ATLAS_FRACTURES_CANYONS_NORTHATL Fracture zones - North Atlantic COPYFILE IFR_MARBEC_ATLAS_FRACTURES_CANYONS_NORTHATL Fracture zones - North Atlantic https://sextant.ifremer.fr/services/wms/atlas_eu OGC:WMS IFR_MARBEC_ATLAS_SEAMOUNTS_NORTHATL Seamounts - North Atlantic COPYFILE IFR_MARBEC_ATLAS_SEAMOUNTS_NORTHATL Seamounts - North Atlantic https://doi.org/10.12770/66c5957b-6cb5-4fce-9ca5-1cb609fa39b5 DOI DOI of the dataset DOI of the dataset RÈGLEMENT (UE) N o 1089/2010 DE LA COMMISSION du 23 novembre 2010 portant modalités d'application de la directive 2007/2/CE du Parlement européen et du Conseil en ce qui concerne l'interopérabilité des séries et des services de données géographiques 2010-12-08 publication See the referenced specification Source vector data originated from the GEBCO Gazetteer of Undersea Features Names for fractures (IHO-IOC 2019), Harris & Whiteway (2011) for canyons, and Yesson et al. (2011) for seamounts. The data was extracted in 25km * 25 km gridsquares of the raster grid used for the ATLAS spatial prioritization. Source data reference: Harris, P. T., & Whiteway, T. (2011). Global distribution of large submarine canyons: Geomorphic differences between active and passive continental margins. Marine Geology, 285(1–4), 69–86. https://doi.org/10/bjnm2f ; IHO-IOC (2019) GEBCO Gazetteer of Undersea Feature Names, www.gebco.net ; Yesson, C., Clark, M. R., Taylor, M. L., & Rogers, A. D. (2011). The global distribution of seamounts based on 30 arc seconds bathymetry data. Deep Sea Research Part I: Oceanographic Research Papers, 58(4), 442–453. https://doi.org/10/d8g2c6 ; Source vector data originated from the GEBCO Gazetteer of Undersea Features Names (www.gebco.net) for fractures, Harris & Whiteway (2011) for canyons ( https://doi.org/10/bjnm2f), and Yesson et al. (2011) for seamounts (https://doi.org/10/d8g2c6). Fractures and canyons data consisted in spatial lines, and seamounts in spatial points. The canyons dataset gathered three types of canyons: shelf-incising canyons having heads with a clear bathymetric connection to a major river system; shelf-incising canyons with no clear bathymetric connection to a major river system; and blind canyons incised onto the continental slope. The two types of shelf-incising canyons were pooled together. initial datasets sources and filtering Using the R environment, the rasterize function was used to extract the presence (fractures and seamounts) and the total length of canyons (in km), for shelf-incising canyons and for blind canyons, in 25km *25km gridsquares. Values of output raster cells where no fracture, seamounts or canyons were present were set to 0, while values of cells out of the study zone were set to NA. extraction of features distribution on the ATLAS grid