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Abyssal zone --- Animal populations --- Animals --- Deep-sea ecology --- Oceanography

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Oceanography --- Abyssal zone --- Oceanografie. --- Diepzee. --- Océanographie --- Abysses --- Abyssal zone. --- Oceanography. --- Oceanography, Physical --- Oceanology --- Physical oceanography --- Thalassography --- Abyssal plain --- Deep-sea zone --- Plain, Abyssal --- Earth sciences --- Marine sciences --- Ocean --- Ocean bottom

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Presented in an accessible, user-friendly format, this atlas sets out all the major features revealed during one of the largest ever deep-sea mapping campaigns. A unique insight into the morphology of the seabed along the continental margin of the North-East Atlantic, it reveals for the first time many features that have hitherto been hidden beneath the waves. It is organised both thematically and by region, with the sea floor and its biological hotspots – areas of high biodiversity such as seamounts – shown at a resolution not possible before. The atlas presents everything from submarine canyons to coral carbonate mounds, using digital terrain models generated from multibeam data and photographs taken from unmanned deep-water vehicles (ROVs). The full-colour imagery includes digital three-dimensional seabed maps as well as the photographs, with concise text descriptions and topic boxes used to highlight and explain the geological, biological and hydrographical features, in addition to their importance and context in the deep-sea realm. Alongside the wealth of background information and topic boxes on special highlights, extensive on-line resources link the reader to full data sets and GIS locations, while suggestions for further reading point to ongoing research highlights. This is a fascinating resource that will be of use to anyone involved in off-shore and underwater activities, whether scientific or commercial.

Abyssal zone -- Maps. --- Abyssal zone. --- Submarine geology -- Maps. --- Submarine geology. --- Ocean bottom --- Abyssal zone --- Submarine geology --- Geology - General --- Marine Science --- Earth & Environmental Sciences --- Geology --- Submarine topography --- Bottom relief, Ocean --- Relief, Submarine --- Topography, Submarine --- Bottom of the ocean --- Floor of the ocean --- Ocean floor --- Sea bed --- Sea floor --- Seafloor --- Seabed --- Subsoil of the ocean floor --- Earth sciences. --- Oceanography. --- Physical geography. --- Marine sciences. --- Freshwater. --- Earth Sciences. --- Marine & Freshwater Sciences. --- Physical Geography. --- Geomorphology --- Marine Sciences. --- Geography --- Ocean sciences --- Aquatic sciences --- Oceanography, Physical --- Oceanology --- Physical oceanography --- Thalassography --- Earth sciences --- Marine sciences --- Ocean --- Fresh waters --- Freshwater --- Freshwaters --- Inland water --- Inland waters --- Water

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Influence of abyssal circulation on sedimentary accumulations in space and time

Issue --- Abyssal zone --- Marine sediments --- Ocean circulation --- Congresses. --- Abyssal plain --- Deep-sea zone --- Plain, Abyssal --- Ocean bottom --- Circulation, Ocean --- Oceanography --- Physical oceanography --- PALEOGEOGRAPHIE --- OCEANOLOGIE PHYSIQUE ET CHIMIQUE --- COMPTE RENDUS D'ACTIVITE --- SEDIMENTOLOGIE --- DEPOTS MARINS --- BASSINS SEDIMENTAIRES --- MODALITES DEPOTS --- CONGRES, COLLOQUES...

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This book is dedicated to the study of structure and transport of deep and bottom waters through underwater channels of the Atlantic Ocean. The study is based on recent observations, analysis of historical data, and literature review. A strong flow of Antarctic Bottom Water from the Argentine Basin to the Brazil Basin through the Vema Channel (32-27 S) is studied on the basis of CTD sections combined with LADCP profiling carried out annually and long-term moored measurements. The flow in the Vema Channel is mixed in the vertical direction but horizontally stratified. The mean speed of the flow is 30 cm/s and water transport is approximately 3.5 Sv. Owing to the bottom Ekman friction the dense core of the flow is usually displaced to the eastern wall of the channel. A temperature increase was found in the deep Vema Channel, which has been observed for 30 years already. The further flow of bottom water in the Brazil Basin splits in the northern part of the basin. Part of water flows to the East Atlantic basins through the Romanche and Chain fracture zones. The other part is a northwestern flow to the North American Basin. Part of the northwesterly flow propagates through the Vema Fracture Zone (11 N) into the Northeastern Atlantic basins. Flows in the Romanche, Chain, and Vema fracture zones were studied recently by CTD and LADCP profiling. An underwater cataract was found in the Chain Fracture Zone. Recent measurements in the Kane Gap show that the flow of bottom water there is characterized by alternative transport in time. The Northeastern Atlantic basins are filled with the bottom water flowing through the Vema Fracture Zone. The flows of bottom waters through the Romanche and Chain fracture zones do not spread to the Northeast Atlantic due to strong mixing in the equatorial zone and enhanced transformation of bottom water properties. Extra material: The CTD data sets collected in abyssal channels of the Atlantic Ocean can be downloaded from http://extras.springer.com. The access to the data is organized either by means of a clickable map or tables. Investigators can download individual casts organized by the year of the experiment or its location. The CTD data are organized in the form of a heading and three columns (pressure, temperature, salinity). The style is similar to the WOCE format.  A line with coordinates is added to the heading.

Abyssal zone -- Atlantic Ocean. --- Bottom water (Oceanography) -- Antarctic Ocean. --- Bottom water (Oceanography) -- Atlantic Ocean. --- Ocean circulation -- Atlantic Ocean. --- Abyssal zone --- Ocean circulation --- Bottom water (Oceanography) --- Earth & Environmental Sciences --- Marine Science --- Circulation, Ocean --- Abyssal plain --- Deep-sea zone --- Plain, Abyssal --- Bottomwater (Oceanography) --- Oceanography. --- Climatic changes. --- Climate Change. --- Seawater --- Oceanography --- Ocean bottom --- Changes, Climatic --- Changes in climate --- Climate change --- Climate change science --- Climate changes --- Climate variations --- Climatic change --- Climatic changes --- Climatic fluctuations --- Climatic variations --- Global climate changes --- Global climatic changes --- Climatology --- Climate change mitigation --- Teleconnections (Climatology) --- Oceanography, Physical --- Oceanology --- Physical oceanography --- Thalassography --- Earth sciences --- Marine sciences --- Ocean --- Environmental aspects --- Climate change. --- Global environmental change