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Registros recuperados: 9
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The Moira Mounds, small cold-water coral banks in the Porcupine Seabight, NE Atlantic: Part A an early stage growth phase for future coral carbonate mounds? ArchiMer
Wheeler, A. J.; Kozachenko, M.; Henry, L. -a.; Foubert, A.; De Haas, H.; Huvenne, V. A. I.; Masson, D.c.; Olu, Karine.
This paper presents a comprehensive overview of the Moira Mounds in the Porcupine Seabight, combining a review of currently published material with new data and interpretations. The Moira Mounds are circular to ovoid-shaped individual or clustered coral banks (referred to as "scleractinian spaced cluster macroreefs") located in the Belgica (carbonate) mound province, Porcupine Seabight, west of Ireland. They are up to 10 m high and 20 to 35 m in diameter. For the first time, a map showing the complete extent and location of the Moira Mounds is published, revealing 256 examples grouped into four areas mainly between 800 and 1100 m water depth. ROV groundtruthing revealed the importance of bedload sand transport in Moira Mound formation and development...
Tipo: Text Palavras-chave: Cold-water coral; Coral carbonate mound; Benthic processes; Biogeological processes; Marine geology; NE Atlantic.
Ano: 2011 URL: http://archimer.ifremer.fr/doc/00035/14633/12050.pdf
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Nuevos datos sobre la geología del Golfo de México y el Mar Caribe OceanDocs
Melnik, V. I.; Zernestki, B. F..
New marine geological data of Cuban shelf were obtained during Cuban-Soviet Expedition of 1964-1965. The micro and macrofauna and substancial composition were studied. Bentonic foraminifera appeared over 100 m depth in the Gulf of Mexico. The muds were the most caracteristic sediment of the Caribbean Sea. The composition or rare rock was studied in the Yucatan Strait. With a big content of Si, Al, Mg, Ca, Fe and Ti was noted a low content of Na. This is not characterisc on eruptioned calcareous rocks.
Tipo: Journal Contribution Palavras-chave: Marine geology; Foraminifera; Rocks; Marine geology; Rock.
Ano: 1969 URL: http://hdl.handle.net/1834/5720
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IOC-ICSU-IAEA-EU Training Course on Marine Geological and Geophysical Data Management for the Countries of the Black and Caspian Seas Regions, World Data Centre B, Marine Geology and Geophysics, Russian Federation, 8-19 September 1997. OceanDocs
The purpose of the Training Course was to train participants in modern methods and technologies of marine geological and geophysical data collection, processing and usage, to make them acquainted with the main principles of international exchange of data and information and show them the creation of ocean databases.
Tipo: Report Palavras-chave: Marine geology.
Ano: 1997 URL: http://hdl.handle.net/1834/5610
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IOC/IODE Training Course on Marine Geological and Geophysical Data Management., National Marine Geological and Geophysical Data Center, World Data Center B, Marine Geology and Geophysics, Russian Federation, 13-29 September 1995. OceanDocs
Supported by IOC for UNESCO.
Tipo: Report Palavras-chave: Marine geology.
Ano: 1995 URL: http://hdl.handle.net/1834/5607
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Método morfo-estructural para la identificación de paleoeventos tecto-sísmicos: Aplicación a la zona costera de San Lorenzo, norte de Ecuador OceanDocs
Santana, E.; Dumont, J.F.; Valdez, F.; Pazmiño, N.; Tihay, J.P.; Usselmann, P.; López, E..
Se presentan evidencias de cambios morfológicos que implican la ocurrencia de movimientos relacionados con la actividad sísmica de la zona. En particular se enfoca en esta publicación un método de identificación de los eventos extremos que pueden ocurrir en estas áreas.
Tipo: Journal Contribution Palavras-chave: Tectonics; Drainage water; Geological time; Marine geology; Tectonics; Marine geology; Drainage water; Http://aims.fao.org/aos/agrovoc/c_31904; Http://aims.fao.org/aos/agrovoc/c_4612; Http://aims.fao.org/aos/agrovoc/c_2374.
Ano: 2005 URL: http://hdl.handle.net/1834/2407
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REPORT ON ACTIVITIES OF THE WORLD DATA CENTERS OceanDocs
Supported by IOC/IODE
Tipo: Conference Material Palavras-chave: World data center; Information handling; Data; Marine geology; Geography; Marine geology; Data; Geography; Http://aims.fao.org/aos/agrovoc/c_4612; Http://aims.fao.org/aos/agrovoc/c_49816; Http://aims.fao.org/aos/agrovoc/c_3230.
Ano: 2005 URL: http://hdl.handle.net/1834/2692
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Descripción morfológica de la plataforma continental del Ecuador y análisis comparativo con la plataforma jurídica mediante la aplicación de Sistemas de Información Geográfica OceanDocs
Martillo, C.; Pazmiño, A.; Chunga, K.; Resl, R..
El presente estudio realiza un análisis morfoestructural de las plataformas que están en el territorio marìtimo ecuatoriano:(1)La Plataforma de las Islas Galápagos que es producto de la interacción entre el Punto Caliente de Galápagos y el Centro de Divergencia de Galápagos, y (2) La Plataforma Continental del Ecuador continental localizada en un margen activo convergente entre la placa oceánica de Nazca y los segmentos continental de la placa Sudamericana y del Bloque Norandino. Mediante el uso de Sistemas de Información Geográfica (SIG) y Modelos Digitales de Terreno (MDT), se caracterizó morfológicamente la proyección de la plataforma continental hacia el segmento marino, para luego realizar una confrontación entre el área que incluye la plataforma...
Tipo: Journal Contribution Palavras-chave: Marine geology; Coastal morphology; Continental shelves; GIS; Law of the sea.
Ano: 2010 URL: http://hdl.handle.net/1834/4218
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Evidencia sedimentaria de tsunamis en la planicie aluvial de Villamil - Playas, Golfo de Guayaquil OceanDocs
Chunga, K.; Quiñonez, M.F..
The Ecuadorian shoreline is considered highly susceptible to tsunamis events of tectonic origin due to its closeness to the Nazca and South America plates subduction zone. Since 1906, eight tsunamis events have been witnessed along this coast. All have been related to seismic activity (earthquakes between Ms 6.9 to 8.9) on or near the Ecuadorian platform. Such tectonic environment favours the generation and surge of tsunamis in this region. The study area is located in the outer area of the lower basin of the Guayas River, in what is referred as the Canton General Villamil Playas. Three cores were retrieved from the supratidal coastal plain around Villamil at different horizontal distances from the Pacific shoreline. Villamil 1 was cored at 1128 m from...
Tipo: Journal Contribution Palavras-chave: Sediments; Marine geology; Tsunamis.
Ano: 2013 URL: http://hdl.handle.net/1834/5768
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Holocene evolution of relative sea level and local mean high water spring tides in Belgium: a first assessment OMA
Denys, L.; Baeteman, C..
Holocene age-depth data from the Belgian coastal plain, basal peat data particularly, are assessed in terms of local water and tide levels. Basal peat formation was generally induced by sea-level rise; effects of local seepage were limited and significant river-gradient effects were absent. No relation was found between the timing of basal peat inception and substrate permeability. In general, edaphic (moisture) conditions were unfavourable for organic accumulation prior to sea-level related rise of the groundwater table. Error envelopes for the minimum level of local mean high water spring tides and for upper and extreme lower relative mean sea-level limits during the last 9400 solar years (8400 yrs B.P.) are presented. These indicate that the rate of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Holocene; Marine geology; Peat; Sea level changes; Sedimentation.
Ano: 1995 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=2960
Registros recuperados: 9
Primeira ... 1 ... Última
 

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