Search Results - "SPIESS, V"

Giant Seafloor Depressions Caused by Slope Failures and Bottom Currents on the Namibia Continental Margin by S. Wenau, V. Spiess, M. Zabel

“…Abstract More than 100 circular, elongate or crescent‐shaped very large seafloor depressions were found on the southern Namibian continental margin in water…”
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Controlling mechanisms of giant deep water pockmarks in the Lower Congo Basin by Wenau, S., Spieß, V., Pape, T., Fekete, N.

“…Effective seal breaching is a major contributor to methane seepage from deep sea sediments as it ensures the migration of gas and liquid hydrocarbons from…”
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Dropstones in the Mar del Plata Canyon Area (SW Atlantic): Evidence for Provenance, Transport, Distribution, and Oceanographic Implications by G. Bozzano, M. E. Cerredo, M. Remesal, L. Steinmann, T. J. J. Hanebuth, T. Schwenk, M. Baqués, D. Hebbeln, D. Spoltore, O. Silvestri, R. D. Acevedo, V. Spiess, R. A. Violante, S. Kasten

“…Abstract A variety of gravel‐ to cobble‐sized rocks, recovered from the Mar del Plata (MdP) Canyon area (Western South Atlantic at 38°S) and interpreted as…”
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A base-level stratigraphic approach to determining Holocene subsidence of the Ganges–Meghna–Brahmaputra Delta plain by Grall, C., Steckler, M.S., Pickering, J.L., Goodbred, S., Sincavage, R., Paola, C., Akhter, S.H., Spiess, V.

“…Relative sea level history, which is the result of the combined effects of land subsidence, sediment supply and absolute sea level history may be reconstructed…”
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Cold seeps at the salt front in the Lower Congo Basin I: Current methane accumulation and active seepage by Wenau, S., Spiess, V., Pape, T., Fekete, N.

“…Active high intensity gas seepage is documented for the first time at the seaward edge of the salt occurrence in the southern Lower Congo Basin. Microbial…”
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Cold seeps at the salt front in the Lower Congo Basin II: The impact of spatial and temporal evolution of salt-tectonics on hydrocarbon seepage by Wenau, S., Spiess, V., Pape, T., Fekete, N.

“…This study investigates the distribution and evolution of seafloor seepage in the vicinity of the salt front, i.e., the seaward boundary of salt-induced…”
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A low frequency multibeam assessment: Spatial mapping of shallow gas by enhanced penetration and angular response anomaly by Schneider von Deimling, J., Weinrebe, W., Tóth, Zs, Fossing, H., Endler, R., Rehder, G., Spieß, V.

“…This study highlights the potential of using a low frequency multibeam echosounder for detection and visualization of shallow gas occurring several meters…”
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Boulder Detection in the Shallow Sub‐Seafloor by Diffraction Imaging With Beamforming on Ultra‐High Resolution Seismic Data—A Feasibility Study by Römer‐Stange, N., Wenau, S., Bihler, V., Keil, H., Ramos Córdova, C. A., Spiess, V.

“…Small‐scale heterogeneities within the seafloor such as glacial boulders, concretions, or unexploded ordnance are of major scientific and economic interest…”
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Active Seafloor Seepage Along Hydraulic Fractures Connected to Lateral Stress From Salt‐Related Rafting: Regab Pockmark, Congo Fan by Wenau, S., Spiess, V.

“…Seafloor seepage is a widespread phenomenon within salt‐influenced basins as the deformation provides pathways for hydrocarbons to reach the seafloor. However,…”
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Hydrothermal recharge and discharge across 50 km guided by seamounts on a young ridge flank by Fisher, A. T, Davis, E. E, Hutnak, M, Spiess, V, Zühlsdorff, L, Cherkaoui, A, Christiansen, L, Edwards, K, Macdonald, R, Villinger, H, Mottl, M. J, Wheat, C. G, Becker, K

“…Hydrothermal circulation within the sea floor, through lithosphere older than one million years (Myr), is responsible for 30% of the energy released from plate…”
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The architecture and evolution of the Middle Bengal Fan in vicinity of the active channel–levee system imaged by high-resolution seismic data by Schwenk, T., Spieß, V., Breitzke, M., Hübscher, C.

“…High-resolution seismic data from the Middle Bengal Fan were analysed to study the architecture of the fan in the vicinity of the active channel–levee system…”
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Forced regression systems tracts on the Bengal Shelf by Hubscher, C, Spiesz, V

“…A vertical succession of five composite sequences has been identified within the upper 100 m of the outer Bengal Shelf by means of high-resolution…”
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Mud volcanoes at the front of the Makran accretionary complex, Pakistan by Wiedicke, M, Neben, S, Spiess, V

“…Conical mounds, 1–1.5 km in diameter, and up to 65 m high were mapped at the foot of the active Makran continental margin. The mounds developed seaward of the…”
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Mud volcanoes and gas hydrates in the Black Sea: new data from Dvurechenskii and Odessa mud volcanoes by Bohrmann, G, Ivanov, M, Foucher, J P, Spiess, V, Bialas, J, Greinert, J, Weinrebe, W, Abegg, F, Aloisi, G, Artemov, Y, Blinova, V, Drews, M, Heidersdorf, F, Krabbenhoeft, A, Klaucke, I, Krastel, S, Leder, T, Polikarpov, I, Saburova, M, Schmale, O, Seifert, R, Volkonskaya, A, Zillmer, M

“…Meteor cruise M52/1 documented the presence of gas hydrates in sediments from mud volcanoes in the Sorokin Trough of the Black Sea. In a mud flow on the Odessa…”
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Evolution of subsea permafrost landscapes in Arctic Siberia since the Late Pleistocene: a synoptic insight from acoustic data of the Laptev Sea by Rekant, P., Bauch, H. A., Schwenk, T., Portnov, A., Gusev, E., Spiess, V., Cherkashov, G., Kassens, H.

“…Using high-resolution seismic data, this study aims at investigating the evolution and morphological diversity of subsea permafrost features on the eastern…”
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Acoustic investigations of mud volcanoes in the Sorokin Trough, Black Sea by Krastel, S, Spiess, V, Ivanov, M, Weinrebe, W, Bohrmann, G, Shashkin, P, Heidersdorf, F

“…The Sorokin Trough (Black Sea) is characterized by diapiric structures formed in a compressional tectonic regime that facilitate fluid migration to the…”
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Acoustic facies and depositional processes in the upper submarine canyon Swatch of No Ground (Bay of Bengal) by Kottke, B, Schwenk, T, Breitzke, M, Wiedicke, M, Kudrass, H.R, Spiess, V

“…The Swatch of No Ground (SoNG) is a canyon that incises the Bengal shelf deeply over more than 100 km length landward of the shelf edge and ∼100 km west of the…”
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Hydrothermal seepage patterns above a buried basement ridge, eastern flank of the Juan de Fuca Ridge by Spinelli, G. A., Zühlsdorff, L., Fisher, A. T., Wheat, C. G., Mottl, M., Spieß, V., Giambalvo, E. R.

“…We use the distributions of sediment physical properties and modeled basement overpressures to estimate the spatial distribution of fluid seepage through…”
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High-resolution analysis of the deposition pattern on the Amazon sub-aquatic delta and outer continental shelf by Hübscher, C, Figueiredo, Ag, Kruse, L, Spieß, V

“…Continental shelves off major river deltas or estuaries act as an interface between terrestrial environments and marine depo centers like the Amazon Fan. In…”
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Discovery of a giant cold-water coral mound province along the northern Argentine margin and its link to the regional Contourite Depositional System and oceanographic setting by Steinmann, L., Baques, M., Wenau, S., Schwenk, T., Spiess, V., Piola, A.R., Bozzano, G., Violante, R., Kasten, S.

“…In the southern oceans, only a few cold-water coral mound sites have so far been reported compared to the extensively surveyed North Atlantic. Here, we…”
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