Atlas of the Deep-Water Seabed: Ireland by Boris Dorschel, Andrew J. Wheeler, Xavier Monteys, Koen

By Boris Dorschel, Andrew J. Wheeler, Xavier Monteys, Koen Verbruggen

Presented in an available, undemanding structure, this atlas units out the entire significant positive factors printed in the course of one of many greatest ever deep-sea mapping campaigns. a special perception into the morphology of the seabed alongside the continental margin of the North-East Atlantic, it unearths for the 1st time many positive factors that experience hitherto been hidden underneath the waves. it truly is organised either thematically and via zone, with the ocean flooring and its organic hotspots – components of excessive biodiversity reminiscent of seamounts – proven at a answer impossible ahead of. The atlas offers every little thing from submarine canyons to coral carbonate mounds, utilizing electronic terrain versions generated from multibeam facts and pictures taken from unmanned deep-water autos (ROVs).

The full-colour imagery comprises electronic 3-dimensional seabed maps in addition to the images, with concise textual content descriptions and subject packing containers used to focus on and clarify the geological, organic and hydrographical good points, as well as their significance and context within the deep-sea realm. along the wealth of historical past details and subject bins on detailed highlights, huge online assets hyperlink the reader to complete facts units and GIS destinations, whereas feedback for extra examining element to ongoing learn highlights. it is a attention-grabbing source that may be of use to someone keen on off-shore and underwater actions, no matter if medical or commercial.

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B. J. ie X. Monteys and K. 8 km in the eastwest direction (due to the curvatures of the Earth). 2). The density of the multibeam data points is sufficient to model full coverage DEMs of 25 m resolution down to a water depth of approximately 2,000 m bsl (depending on morphology and slope angle). In water depths below 2,000 m bsl, the individual soundings are wider spaced hence the information density is lower. When DEMs are generated from areas with lower information density, outlying soundings increasingly influence the interpolated DEMs.

Such organisms provide further microhabitats that attract other species, and mounds are, therefore, often sites of relatively high biodiversity and species abundance (see Chapter 10). Amongst these mound features are the cold-water coral carbonate mounds. It may come as a surprise that the Irish deep seabed hosts a plethora of coral reefs as we usually associate coral reefs with warm, tropical waters. In fact, the majority of coral species (65%) actually live in water depths deeper than 50 m. In Irish waters, cold-water corals have been reported from as far down as 2,000 m bsl.

Geology, 30(6), 555–558. van Aken, H. M. (2000). The hydrography of the mid-latitude Northeast Atlantic Ocean II: The intermediate water masses. Deep-Sea Research I, 47, 789–824. van Aken, H. , & Becker, G. (1996). Hydrography and through-flow in the north-eastern North Atlantic; the NANSEN project. Progress in Oceanography, 38, 297–346. , & Bowyer, P. (1997). The shelf-edge current north-west of Ireland. Annales Geophysicae, 15, 1076–1083. Part II Thematic Atlas 7 Canyons and Channels B. J. Wheeler, X.

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