pockmarks, mud volcanoes, carbonate slabs,Ĭarbonate mounds) can be successfully imaged and quantitatively characterised by high resolutionīathymetric measurements collected using multi-beam echosounders (MBES) and seafloorīackscattering data (see Ceramicola et al., 2018 and references therein). Morphologies generated by seepage phenomena (e.g. Of a combination of geophysical remote-sensing techniques (Judd and Hovland, 2007). In the submarine environment, the identification and characterization of macro-seeps rely on the use May take the form of invisible, diffuse exhalations (microseepage) or focused, visible seeps (macroseepage, for example gas seeps, oil seeps and mud volcanoes). Macgregor 1993 Abrams, 2005 Etiope, 2015 Mazzini and Etiope, 2017). ―plumbing‖, of a wider Petroleum System and is typically associated with faults (Link 1952 A petroleum (oil and/or gas) seepage system is an integral part, the Of environmental issues such as resource exploration, hazard assessment and atmospheric methaneīudget (e.g., Etiope, 2015). Sedimentary basins, are widely studied geological phenomena, with relevant implications in a variety Natural hydrocarbon gas flows and seepages, occurring practically in all petroleum-bearing Scattering, gas bubble slugs, acoustic data, marine geology, submarine geomorphology The gas flux is facilitated by the regional stress field that results in dilatant conditions on Sediments along a complex system of conduits terminating at the surface into quiescent mud discontinuous gas columns, rise through Plio-quaternary Path for gas/fluid migration and reveals the intermittent activity of seeping gas. Through the copyediting, typesetting, pagination and proofreading process, which may lead toĭifferences between this version and the Version of Record.
Geo3d earthquake map full#
This article has been accepted for publication and undergone full peer review but has not been This integrated dataset provides new evidence for the role of fault zones as a preferential This map wasĬombined with high-resolution bathymetric and backscattering seafloor maps obtained from previousĮxplorations. Scatterer map, obtained along the AUV track, generated a pseudo-3D coverage of the study area, withĪ horizontal and vertical resolution of roughly 3-5 m and 5-10 m respectively. An algorithm based on a semblance function wasĪpplied to the acoustic data to highlight scatterers rather than interface reflections. Mud-volcano system of the Malta Plateau (MP).
Pinson - Bistacchi - Etiope - Holland - acquired by an Autonomous Underwater Vehicle (AUV) towing a source (1600 Hz – 3500 Hz)Īnd an horizontal array of hydrophones have been analysed to image discrete, isolated or even a smallĬluster of scatterers within the sediment, to determine shallow migration paths of hydrocarbons in a
Pennsylvania State University, Applied Research Lab., State College, PA Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma 2, Roma, Italyįaculty of Environmental Science and Engineering, Babes-Bolyai University, Cluj-Napoca, Imaging shallow gas migration pathways in a mud-volcano province using anĪutonomous Underwater Vehicle (Malta Plateau, Mediterranean Sea)Ī.
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