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	Provedor de dados ArchiMer (3) Autor Gailler, Audrey (3) Alain, Karine (1) Aslanian, Daniel (1) Bache, Francois (1) Broto, Karine (1) Droxler, Andre W. (1) Eguchi, N. (1) Exley, Russell J. K. (1) Gorini, Christian (1) Graindorge, David (1) Gutscher, Marc-andre (1) Haq, B. (1) Ker, Stephan (1) Klingelhoefer, Fraucke (1) Kuroda, J. (1) Leroux, Estelle (1) Marcaillou, Boris (1) Maury, Rene (1) Minshull, Tim A. (1) Moulin, Maryline (1) Mais... Palavra-chave Accretionary wedge (1) Atlantic margin (1) Bearing sediments (1) Continental margins (1) Lesser Antilles (1) Marine sediments (1) Mid norwegian margin (1) Modélisation thermique (1) Petites Antilles (1) Prisme d’accrétion (1) Reflection tomography (1) Seismogenic zone (1) Storegga slide (1) Séisme chevauchant (1) Thermal modeling (1) Thrust earthquake (1) Travel time tomography (1) Velocity models (1) Voring plateau (1) Zone sismogène (1) Mais... Tipo do documento Text (3) Ano 2013 (1) 2012 (1) 2010 (1) País France (3) Idioma Inglês (3)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 3 Primeira ... 1 ... Última Evidence from three-dimensional seismic tomography for a substantial accumulation of gas hydrate in a fluid-escape chimney in the Nyegga pockmark field, offshore Norway ArchiMer Plaza-faverola, Andreia; Westbrook, Graham K.; Ker, Stephan; Exley, Russell J. K.; Gailler, Audrey; Minshull, Tim A.; Broto, Karine. In recent years, it has become evident that features commonly called gas chimneys provide major routes for methane to pass through the methane-hydrate stability zone in continental margins and escape to the ocean. One of many such chimneys lying beneath pockmarks in the southeastern Voring Plateau off Norway was investigated with a high-resolution seismic experiment employing a 2-D array of sixteen 4-component ocean bottom seismic recorders at approximately 100 m separation and a dense network of shots to define the 3-D variation of the chimney's structure and seismic properties. The tomographic model derived from P wave travel times shows that P wave velocity inside the chimney is up to 300 m/s higher than in the surrounding strata within the... Tipo: Text Palavras-chave: Travel time tomography; Mid norwegian margin; Storegga slide; Bearing sediments; Voring plateau; Reflection tomography; Continental margins; Marine sediments; Atlantic margin; Velocity models. Ano: 2010 URL: http://archimer.ifremer.fr/doc/00012/12326/9111.pdf How wide is the seismogenic zone of the Lesser Antilles forearc? ArchiMer Gutscher, Marc-andre; Westbrook, Graham; Marcaillou, Boris; Graindorge, David; Gailler, Audrey; Pichot, Thibaud; Maury, Rene. The Lesser Antilles subduction zone has produced no recent strong thrust earthquakes, making it difficult to quantify the seismic hazard from such events. The Lesser Antilles arc has a low subduction rate and an accretionary wedge that is very wide at its southern end. To investigate the effect of the wedge on seismogenesis, numerical models of forearc thermal structure were constructed along six transects perpendicular to the arc in order to determine the thermally predicted width of the seismogenic zone. The geometry of each section is constrained by published seismic profiles and crustal models derived from gravity and seismic data and by earthquake hypocenters at depth. A major constraint on the deep part of the model is that mantle temperature beneath... Tipo: Text Palavras-chave: Zone sismogène; Séisme chevauchant; Modélisation thermique; Prisme d’accrétion; Petites Antilles; Seismogenic zone; Thrust earthquake; Thermal modeling; Accretionary wedge; Lesser Antilles. Ano: 2013 URL: http://archimer.ifremer.fr/doc/00140/25140/29432.pdf Structure and evolution of the Gulf of Lions: The Sardinia seismic experiment and the GOLD (Gulf of Lions Drilling) project ArchiMer Aslanian, Daniel; Moulin, Maryline; Schnurle, Philippe; Klingelhoefer, Fraucke; Leroux, Estelle; Rabineau, Marina; Gailler, Audrey; Bache, Francois; Gorini, Christian; Kuroda, J.; Eguchi, N.; Droxler, Andre W.; Alain, Karine; Roure, François; Haq, B.. Tipo: Text Ano: 2012 URL: http://archimer.ifremer.fr/doc/00149/26055/24160.pdf Registros recuperados: 3 Primeira ... 1 ... Última

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