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IFREMER
Author
Station de Sète - Avenue Jean Monnet - CS 30171 - 34203 Sète Cedex Sete - France
IFREMER
Publisher

Credit

Horizon 2020 ATLAS project (EU)

Geomophologic features (fractures, canyons, seamounts) on the North Atlantic

Type: datasetLicense: not specifiedCategory: environmentResolution: 25 metersLast update: unknown
Geology

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.

Data origin:

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 ;

Purpose: not specified

Data life cycle, according to producer:
Creation date: unknown
Update frequency: unknown

Resources

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

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

DOI of the dataset

DOI of the dataset

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