Catálogo de datos del IEO
Keyword
Sediment acoustics
28 record(s)
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Salt deformation and sub-salt fluid circulation in the Algero-Balearic abyssal plain(SALTFLU): 1) To identify the three dimensional structure of the salt deformation structures of the Algero-Balearic abyssal plain;2) to collect evidence of fluid migration, accumulation and extrusion at the seafloor; 3) to constrain the link between the observed overburden fluid circulation and deep (sub-salt) origins; 4) to link the fluid circulation pattern to the recent basin evolution with special regard to the tectonic stress propagation derived from convergence between the Africa and European plates.
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1. To obtain estimates of Nephrops burrows densities in the Gulf of Cádiz from a randomized isometric grid of UWTV stations spacing 4 nautical miles using the underwater images. 2. To define the Nephrops distribution in the Gulf of Cádiz 3. To obtain density estimates of megafauna species and the occurrence of trawl marks on the sea bed 4. To measure oceanographic variables using a sledge mounted CTD 5. To prospect circalittoral and bathyal areas witihout trawling activity 6. Sea bed morphological and backscatter analyses
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Habitat mapping and geomorphological description of Menorca Island East shelf.
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MAO1407 Second survey of Mahón continental shelf. Before the dradge action of Mahón harbour a first survey using multibeam echosounder was conducted in january 2014 in order to the map the benthic habitats that could be affected. In this new survey the aim is to determinate the extension and impact that dradge debries has caused in the seabed using geophisical techniques. Multibeam echosounder and parametric subottom profailer had been used in the area. Data gatered will show the extend and thickness of dradge debries.
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Investigate the Spanish Continental Shelf West Off Canary Island
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Geological study of Cadiz Gulf
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Study new migration areas and release points of methane and hydrated gasses in the continental platform of the gulf of Cádiz and their origins. Research seabed structures around the gulf of Cádiz.
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1.- Estudio integral del cañón de Algeciras desde su cabecera hasta su desembocadura incluyendo: batimetría, reflectividad, perfiles sísmicos de alta resolución del subsuelo, caracterización sedimentaria, de los hábitats y de las comunidades bentónicas asociadas. 1.a.- De forma alternativa si existiera algún contratiempo que impidiera el desarrollo de la campaña en la Cañón de Algeciras, se prevé realizar el estudio integral de alguno de los cañones existentes en el margen septentrional del mar de Alborán. 2.- Muestreo de montículos en el talud continental del Mar de Alborán.
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Seamount evolution related to tectonics and influence on recent sedimentary systems
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Investigate the deep crustal structure of the Alboran sea