Southern Africa: South Africa, Namibia, Angola, Walvis Ridge

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Publications Namibia, Walvis Ridge

Wenau, Stefan, Spiess V., Zabel M. (2021) Giant Seafloor Depressions caused by Slope Failures and Bottom Currents on the Namibia Continental Margin. Geochemistry Geophysics Geosystems, 22, https://doi.org/10.1029/2020GC00954.

Bartels, Thomas (2008) Imaging of Cenozoic climatic events and bottom water activities at the northeastern flank of Walvis Ridge: A correlation of seismic data with borehole data measurements. Dissertation, 133 pp.. https://media.suub.uni-bremen.de/bitstream/elib/2481/1/00010984.pdf

Bartels, Thomas, Krastel S., Spiess V. (2007) Correlation of high-resolution seismic data with ODP Leg 208 borehole measurements. In Kroon, D., Zachos, J.C., and Richter, C. (Eds.), Proc. ODP, Sci. Results, 208: College Station, TX (Ocean Drilling Program), 1–27, doi:10.2973/odp.proc.sr.208.204.2007, http://www-odp.tamu.edu/publications/208_SR/VOLUME/CHAPTERS/204.PDF.

Mollenhauer, Gesine, Schneider RR., Müller, PJ., Spiess V., Wefer G. (2002) Glacial/interglacial variablity in the Benguela upwelling system: Spatial distribution and budgets of organic carbon accumulation. Global Geochem. Cycles, 16, 1134, https://doi.org/10.1029/2001GB001488.

Hopfauf, Vladimier, Spiess V. (2001) A three-dimensional theory for the development and migration of deep sea sedimentary waves, Deep Sea Research Part I : Oceanographic Research, 48, 2497-2519, https://doi.org/10.1016/S0967-0637(01)00026-7.

von Lom-Keil, Hanno (2001) Sedimentary waves on the Namibian continental margin and in the Argentine Basin - Bottom flow reconstructions based on high resolution echosounder data. Fachbereich Geowissenschaften, Berichte, 181, 126 pp.. https://media.suub.uni-bremen.de/bitstream/elib/3846/1/00010309.pdf

Lange Carina B., Berger WH., Lin HL., G. Wefer G., Adams D., Anderson L., Andreasem D., Bruechert V., Cambray H., Christensen B., Frost G., Giraudeaou J., Gorgas T., Hermelin O., Jansen F., Laser B., Maslin MA., Meyers P., Motoyama I., Murray R., Perez ME., Pufahl P., Richter C., Spiess V., Vidal L., Wigley R., Yamazaki T. (1999): The early Matuyama diatom maximum of SW Africa, Benguela current system ODP Leg 175. Marine Geology 161(2-4): 93-113, https://doi.org/10.1016/S0025-3227(99)00081-X.

Völker, David (1998), Untersuchungen an strömungsbeeinflußten Sedimentationsmustern im Südozean - Interpretation sedimentechographischer Daten und numerische Modellierung. Dissertation vorgelegt am FB Geowissenschaften, Univ. Bremen, 153 S. https://media.suub.uni-bremen.de/bitstream/elib/3785/1/00010235.pdf.


Publications Congo, Angola

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.

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.

Haberkern, Julia (2017) Contouritic depositional systems influenced by complex seafloor topography. Late Cenozoic seismoacoustic reconstructions from the Galicia and Angola Continental Margins. Dissertation, xx. pp.. https://media.suub.uni-bremen.de/bitstream/elib/1378/1/00106386-1.pdf.

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.

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.

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.

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.

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 Africa. In: Proceedings of the fifth international conference on gas hydrates (ICGH 5), Norway, 10 pages. (PDF)

Uenzelmann-Neben, Gabriele, Spiess V., Bleil U. (1997) A seismic reconnaissance survey of the northern Congo Fan. Marine Geology, 140, 283-306, https://doi.org/10.1016/S0025-3227(97)00045-5.


Master Theses Congo, Angola

Iliev, Milen (2014) Description, Localization and Dating of Depositional, Fluid-transport and Tectonic processes in the Northern Congo Basin using Multichannel Seismics

Domnina, Yana (2010) Seismoacoustic imaging of the mound-structures on northern Kwanza Basin, Angola marging, (seismic and bathymetry data sets, Meteor M76-3a cruise)

Hirsch, Katja (2004) Charakterisierung und Kartierung von Fluidaufstiegszonen und Pockmarks in hemipelagischen Sedimenten vor Westafrika (Congo)

Gerullis, Lydia (1993) Sedimentechnographische und sedimenphysikalische Untersuchungen am Kongo-Fächer


Master Theses Namibia, South Africa

Prieto, Diana (2018) Sediment-Current interaction since the Middle Miocene on the Namibian Continental Margin

Dascevic, Tim (2018) Analysis of the architecture of Namibian upper slope margin with respect to sea level changes and bottom currents using multichannel seismics

Yang, Linfeng (2017) Current-controlled Sedimentation on the Namibian Margin

Ehmen, Tobias (2016) Seismic investigation of thin dolomitic layers off the coast of SW-Africa and the assessment of Watergun data

Ngwana, Blaise (2015) Seismic and acoustic investigations of large seafloor depressions and their evolution on the continental slope off Namibia

Caparachin, Cesar (2014) Subsidencia de Mini Cuencas Poligonales

Quilen, Keyla (2013) Identification, Mapping and Characterization of Dolomitic Layers in Upwelling Sediments offshore Namibia

Geersen, Jacob (2009) Neogene Evolution of Ocean Circulation and Climate - An Interdisciplinary Approach Using Reflection Seismic and Sedimentologic Data From the Southeast Atlantic

Völker, David (1993) Sedimentechnographische Kartierung des Kapbeckens


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