Fluid & Gas Seepage

Congo / Angola

Black Sea

Cascadia Margin


Gulf of Mexico

Baltic Sea

Xing, Junhui, Spiess V. (2022) Late Miocene-Quaternary Sedimentary Environment Evolution of the Kerch Seep area, Black Sea. Marine Geology

Wenau, Stefan, Spiess V., Keil H., Fei T. (2018) Localization and characterization of a gas bubble stream at a Congo deep water seep site using a 3D gridding approach on single-beam echosounder data. Marine and Petroleum Geology 97, 612-623, https://doi.org/10.1016/j.marpetgeo.2018.07.016. (PDF)

Wenau, Stefan, Spiess V. (2018) Active Seafloor Seepage Along Hydraulic Fractures Connected to Lateral Stress From Salt-Related Rafting: Regab Pockmark, Congo Fan. Journal of Geophysical Research: Solid Earth 123 (5), 3301-3319, https://doi.org/10.1002/2017JB015006.

Portilho-Ramos, R. C., Cruz APS., Barbosa CF., Rathburn AE., Mulitza S., Venancio IM., Schwenk T., Ruhlemann C., Vidal L., Chiessi CM., Silveira CS. (2018) Methane release from the southern Brazilian margin during the last glacial: Scientific Reports, v. 8, https://doi.org/10.1038/s41598-018-24420-0.

Wenau, Stefan, Spiess V., Pape T., Fekete N. (2017) Controlling mechanisms of giant deep water pockmarks in the Lower Congo Basin. Marine and Petroleum Geology 83, 140-157, https://doi.org/10.1016/j.marpetgeo.2017.02.030.

Gehrmann, Romina A.S., Schwalenberg K., Riedel M., Spence GD., Spiess V., Dosso SE. (2016)  Bayesian inversion of marine controlled source electromagnetic data offshore Vancouver Island, Canada. Geophysical Journal International. 204, 21-38, https://doi.org/10.1093/gji/ggv437.

Wenau Stefan, Spiess V., Pape T., Fekete N. (2015) Cold seeps at the salt front in the Lower Congo Basin I: Current methane accumulation and active seepage. Marine and Petroleum Geology. 67, 894-908, https://doi.org/10.1016/j.marpetgeo.2014.07.032.

Wenau Stefan, Spiess V., Pape T., Fekete N. (2015) 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. Marine and Petroleum Geology. 67, 880-893, https://doi.org/10.1016/j.marpetgeo.2014.09.021.

Xing Junhui, Spiess V. (2015) Shallow gas transport and reservoirs in the vicinity of deeply rooted mud volcanoes in the central Black Sea. Marine Geology. 369, 67-78, https://doi.org/10.1016/j.margeo.2015.08.005.

Fischer, David, Mogollon JM., Strasser M., Pape T., Bohrmann G., Fekete N., Spiess V., Kasten S. (2013) Subduction zone earthquake as potential trigger of submarine hydrocarbon seepage. Nature Geoscience; 6, 647–651, https://doi.org/10.1038/ngeo1886.

lzow Wanda, Rehder G., Schneider v. Deimling J., Seifert T., Toth Zs. (2013) One year of continuous measurements constraining methane emissions from the Baltic Sea to the atmosphere using a ship of opportunity. Biogeosciences, 10, 81-99. https://doi.org/10.5194/bg-10-81-2013.

Wenau, Stefan (2013) Seismic and acoustic imaging of fluid seepage structures in different sedimentological and tectonic settings in the Lower Congo Basin. Dissertation, xx. pp.. https://media.suub.uni-bremen.de/bitstream/elib/550/1/00103442-1.pdf.

Xing, Junhui (2013) Seismoacoustic study of the shallow gas transport and reservoirs in the vicinity of seabed fluid seepage of the Black Sea. Dissertation xx. pp.. https://media.suub.uni-bremen.de/bitstream/elib/550/1/00103442-1.pdf.

Römer, Miriam, Sahling H., Pape T., Bohrmann G., Spiess V. (2012) Quantification of gas bubble emissions from submarine hydrocarbon seeps at the Makran continental margin (offshore Pakistan). Journal of Geophysical Research: Oceans, 117, 1-19, https://doi.org/10.1029/2011JC007424.

Kasten, Sabine, Nöthen K., Hensen C., Spiess V., Blumenberg M., Schneider RR. (2012) Gas hydrate decomposition recorded by authigenic barite at pockmark sites of the northern Congo Fan. Geo-Marine Letters 32 (5-6), 515-524, https://doi.org/10.1007/s00367-012-0288-9.

Pierre, Catherine, Blanc-Valleron MM., Demange J., Boudouma O., Foucher JP., Pape T., Himmler T., Fekete N., Spiess V. (2012) Authigenic carbonates from active methane seeps offshore southwest Africa. Geo-Marine Letters 32 (5-6), 501-513, https://doi.org/10.1007/s00367-012-0295-x.

Brüning, Markus (2012) Acoustic and Visual Imaging of Active Seafloor Seepage in Various Deep-Sea Enviuronments. Dissertation xx pp.. https://media.suub.uni-bremen.de/bitstream/elib/339/1/00102688-1.pdf.

Ding, Feng, Spiess V., MacDonald IR., Brüning M., Fekete N., Bohrmann G. (2010) Shallow Sediment Deformation Styles in North-Western Campeche Knolls, Gulf of Mexico, and their Controls on the Occurrence of Hydrocarbon Seepage. Marine and Petroleum Geology, 27, 959-972, https://doi.org/10.1016/j.marpetgeo.2010.01.014.

Ding, Feng, Spiess V., Fekete N., Murton B., Brüning M., Bohrmann G. (2010) Interaction between Accretionary Thrust Faulting and Slope Sedimentation at the Frontal Makran Accretionary Prism, their Resultant Shallow Sediment Structures and Some Implications for Hydrocarbon Fluid Seepage. Journal of Geophysical Research, 115, B08106, https://doi.org/10.1029/2008JB00624.

Brüning Markus, Sahling H., MacDonald IR., Ding F., Bohrmann, G. (2010) Origin, distribution, and alteration of asphalts at Chapopote Knoll, Southern Gulf of Mexico. Marine and Petroleum Geology, 27, 1093–1106, https://doi.org/10.1016/j.marpetgeo.2009.09.005.

Ding, Feng (2009) Near-surface Sediment Structures at Cold Seeps and their Physical Control on Seepage: A Geophysical and Geological Study in the Southern Gulf of Mexico and at the frontal Makran Accretionary Prism/Pakistan. Dissertation,  xx pp.. https://media.suub.uni-bremen.de/bitstream/elib/2620/1/00011331.pdf.

Ding, Feng, Spiess V., Brüning M. , Fekete N., Keil H., Bohrmann G. (2008) A conceptual model for hydrocarbon accumulation and seepage processes around Chapopote asphalt site, southern Gulf of Mexico: From high resolution seismic point of view, J. Geophys. Res., 113, B08404, https://doi.org/10.1029/2007JB005484.

Wagner-Friedrichs, Michelle, Krastel S., Spiess V., Ivanov M., Bohrmann G., Meisner L. (2008) Threedimensional seismic investigations of the Sevastopol mud volcano in correlation to gas/fluid migration pathways and gas hydrate occurrences in the Sorokin Trough (Black Sea). Geochemistry, Geophysics, Geosystems, 9, Q05012, https://doi.org/10.1029/2007GC001685 .

Sahling, Heiko, Bohrmann G., Spiess V., Bialas J., Breitzke M., Ivanov M., Kasten S., Krastel S.,  Schneider RR. (2008) Pockmarks in the Northern Congo Fan area, SW Africa: Complex seafloor features shaped by fluid flow. Marine Geology, 249, 206-225, https://doi.org/10.1016/j.margeo.2007.11.010.

Wagner-Friedrichs, Michelle (2007) Seafloor seepage in the Black Sea: Mud volcanoes, seeps and diapiric structures imaged by acoustic methods. Dissertation, 154 pp..https://media.suub.uni-bremen.de/bitstream/elib/2356/1/00010674.pdf

Fekete, Noemi (2006) Dewatering through mud mounds on the continental fore-arc of Costa Rica(PhD/Doktorarbeit), Christian-Albrechts-Universität, Kiel, Germany, 171 pp. http://oceanrep.geomar.de/8668/1/fekete.pdf.

Ehrhardt Axel, Hübscher C., Ben-Avraham Z., Gajewski D. (2005) Seismic study of pull-apart-induced sedimentation and deformation in the Northern Gulf of Aqaba (Elat) Tectonophysics, 396, 59-79, https://doi.org/10.1016/j.tecto.2004.10.011.

Moerz, Tobias, Fekete N., Kopf A., Brueckmann W., Kreiter S., Huehnerbach V., Masson D., Hepp DA., Schmidt M., Kutterolf S., Sahling H., Abegg F., Spiess V., Suess E., Ranero CR. (2005) Styles and productivity of mud diapirism along the Middle American margin - Part II: Mound Culebra and Mounds 11 and 12. Mud volcanoes, geodynamics and seismicity, NATO Science Series IV Earth and Environmental Sciences, 51,  49-76, https://doi.org/10.1007/1-4020-3204-8_5.

Zühlsdorff, Lars, Spiess V. (2005) Three-dimensional seismic and acoustic imaging of gas migration and gas hydrate accumulation beneath pockmarks in hemipelagic sediments off Congo, South-West AfricaIn: Proceedings of the fifth international conference on gas hydrates (ICGH 5), Norway, 10 pages. (PDF)

Zühlsdorff Lars, Spiess V. (2004) Three-dimensional seismic characterization of a venting sites reveals compelling indications of natural hydraulic fracturing, Geology, 32: 101-104, https://doi.org/10.1130/G19993.1.

Grevemeyer, Ingo, Kopf A., Fekete N., Kaul N., Villinger H., Heesemann M., Wallmann K., Spiess V., Gennerich HH., Müller M., Weinrebe W. (2004) Fluid flow through active mud Dome Mound Culebra offshore Nicoya Peninsula, Costa Rica: evidence from heat flow surveying. Marine Geology, 207, 145-157, https://doi.org/10.1016/j.margeo.2004.04.002.

Bohrmann, Gerhard, Ivanov M., Foucher JP., Spiess V., Bialas J., Greinert J., Weinrebe W., Abegg F., Aloisi G., Artemov Y., Blinova V., Brosler A., Drews M., Heidersdorf F., Klaucke I., Krastel S., Leder T., Polikarpov I., Saburova M., Seifert R., Volkonskaja A., Zillmer M. (2003) Mud volcanoes and gas hydrates in the Black Sea – new data from Dvurechenskii and Odessa mud volcanoes. Geo Mar. Lett., 23, 239-249, https://doi.org/10.1007/s00367-003-0157-7.

Wiedicke, Michael, Neben S., Spiess V. (2001) Mud volcanoes at the front of the Makran accretionary complex, Pakistan, Marine Geology, 172, 57-73, https://doi.org/10.1016/S0025-3227(00)00127-4.

Zühlsdorff, Lars, Spiess V., Hübscher C., Villinger H., Rosenberger A. (2000) Implications for focused fluid transport at the northern Cascadia accretionary prism from a correlation between BSR occurrence and near-sea-floor reflectivity anomalies imaged in a multi-frequency seismic data set, Int. J. Earth Sci., 88, 655-667, https://doi.org/10.1007/s005310050295.

Zühlsdorff, Lars, Spiess V., Hübscher C., Breitzke M. (1999) Seismic reflectivity anomalies in sediments at the eastern flank of the Juan de Fuca Ridge - evidence for fluid migration. J. Geophys. Res., 104, 15351-15364, https://doi.org/10.1029/1999JB900061.

Hempel Peter, Spiess V., Schreiber R. (1994) Expulsion of Shallow Gas in the Skagerrak – Evidence from Subbottom Profiling, Seismic, Hydroacoustical and Geochemical Data. Estuarine Coastal and Shelf Science, 38, 583-601, https://doi.org/10.1006/ecss.1994.1040.



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