Stephan Ker

Stephan Ker

Laboratoire Aléas géologiques et Dynamique sédimentaire (PDG-REM-GM-LAD)

Contact form

+33 (0)2 98 22 43 52

Fax : +33 (0)2 98 22 45 49

Employer : Ifremer

Site : Brest

Postal address : Centre Bretagne - ZI de la Pointe du Diable - CS 10070 - 29280 Plouzané

URL : http://annuaire.ifremer.fr/cv/17027/en/

ORCID orcid icon : 0000-0002-4393-3965

Direction of oceanographic cruises

CruiseBoatDateGeographic coverage
GHASSPourquoi Pas?2015Black Sea
TECHAUVEurope2009Mediterranean Sea, Western Basin


Bibliography

2017

Marsset Tania, Ruffine Livio, Gay Aurelien, Ker Stephan, Cauquil E. Types of fluid-related features controlled by sedimentary cycles and fault network in deepwater Nigeria . Marine and Petroleum Geology IN PRESS . http://doi.org/10.1016/j.marpetgeo.2017.10.004
Goswami Bedanta K., Weitemeyer Karen A., Bunz Stefan, Minshull Timothy A., Westbrook Graham, Ker Stephan, Sinha Martin C. (2017). Variations in pockmark composition at the Vestnesa Ridge: Insights from marine controlled source electromagnetic and seismic data . Geochemistry Geophysics Geosystems , 18(3), 1111-1125 . Publisher's official version : http://doi.org/10.1002/2016GC006700 , Open Access version : http://archimer.ifremer.fr/doc/00372/48348/

2016

Ker Stephan, Le Gonidec Y., Marie Louis (2016). Multifrequency seismic detectability of seasonal thermoclines assessed from ARGO data . Journal Of Geophysical Research-oceans , 121(8), 6035-6060 . Publisher's official version : http://doi.org/10.1002/2016JC011793 , Open Access version : http://archimer.ifremer.fr/doc/00347/45801/
Riboulot Vincent, Sultan Nabil, Imbert P., Ker Stephan (2016). Initiation of gas-hydrate pockmark in deep-water Nigeria: Geo-mechanical analysis and modelling . Earth And Planetary Science Letters , 434, 252-263 . Publisher's official version : http://doi.org/10.1016/j.epsl.2015.11.047 , Open Access version : http://archimer.ifremer.fr/doc/00301/41215/

2015

Ker Stephan, Riboulot Vincent, Ghass Cruise Team (2015). GHASS cruise report . http://archimer.ifremer.fr/doc/00300/41141/
Goswami Bedanta K., Weitemeyer Karen A., Minshull Timothy A., Sinha Martin C., Westbrook Graham, Chabert Anne, Henstock Timothy J., Ker Stephan (2015). A joint electromagnetic and seismic study of an active pockmark within the hydrate stability field at the Vestnesa Ridge, West Svalbard margin . Journal Of Geophysical Research-solid Earth , 120(10), 6797-6822 . Publisher's official version : http://doi.org/10.1002/2015JB012344 , Open Access version : http://archimer.ifremer.fr/doc/00283/39458/
Thomas Yannick, Pelleter Ewan, Marsset Bruno, Ker Stephan, Fouquet Yves, Alix Anne-Sophie, Cheron Sandrine, Etoubleau Joel (2015). High-Resolution 3D seismic imaging of the Utu Uli Mn-Ni deposit . Goldschmidt 2015, Prague, 16-21 août 2015 .
Ker Stephan, Le Gonidec Yves, Gibert Dominique (2015). Multiscale seismic characterization of marine sediments by using a wavelet-based approach . European Geosciences Union General Assembly. 12 – 17 April 2015, Vienna, Austria .
Ker Stephan, Le Gonidec Yves, Marie Louis, Thomas Yannick, Gibert Dominique (2015). Multiscale seismic reflectivity of shallow thermoclines . Journal Of Geophysical Research-oceans , 120(3), 1872-1886 . Publisher's official version : http://doi.org/10.1002/2014JC010478 , Open Access version : http://archimer.ifremer.fr/doc/00254/36535/

2014

Marsset Bruno, Menut Eric, Ker Stephan, Thomas Yannick, Regnault Jean-Pierre, Leon Pierre, Martinossi Henri, Artzner Laurent, Chenot Damien, Dentrecolas Stephane, Spychalski B., Mellier G., Sultan Nabil (2014). Deep-towed High Resolution multichannel seismic imaging . Deep-sea Research Part I-oceanographic Research Papers , 93, 83-90 . Publisher's official version : http://doi.org/10.1016/j.dsr.2014.07.013 , Open Access version : http://archimer.ifremer.fr/doc/00206/31745/
Ker Stephan, Le Gonidec Y., Marsset Bruno, Westbrook Graham, Gibert D., Minshull T. A. (2014). Fine-scale gas distribution in marine sediments assessed from deep-towed seismic data . Geophysical Journal International , 196(3), 1466-1470 . Publisher's official version : http://doi.org/10.1093/gji/ggt497 , Open Access version : http://archimer.ifremer.fr/doc/00175/28602/

2013

Ker Stephan, Le Gonidec Y., Gibert D. (2013). Multiresolution seismic data fusion with a generalized wavelet-based method to derive subseabed acoustic properties . Geophysical Journal International , 195(2), 1370-1383 . Publisher's official version : http://doi.org/10.1093/gji/ggt317 , Open Access version : http://archimer.ifremer.fr/doc/00157/26824/
Riboulot Vincent, Cattaneo Antonio, Sultan Nabil, Garziglia Sebastien, Ker Stephan, Imbert Patrice, Voisset Michel (2013). Sea-level change and free gas occurrence influencing a submarine landslide and pockmark formation and distribution in deepwater Nigeria . Earth And Planetary Science Letters , 375, 78-91 . Publisher's official version : http://doi.org/10.1016/j.epsl.2013.05.013 , Open Access version : http://archimer.ifremer.fr/doc/00159/27031/
Thomas Yannick, Marsset Bruno, Marie Louis, Ker Stephan, Piete Helene (2013). Compte rendu de mission : MISSION IFOSISMO, N/O Le Côtes de la Manche 20-23 Septembre 2012. Adéquation de la source sismique Sparker à l'imagerie de la thermocline en mer d'Iroise . PDG/REM/GM/EIS-08022013-01 .

2012

Ker Stephan, Le Gonidec Yves, Gibert Dominique (2012). Multiscale seismic attributes: source-corrected wavelet response and application to high-resolution seismic data . Geophysical Journal International , 190(3), 1746-1760 . Publisher's official version : http://doi.org/10.1111/j.1365-246X.2012.05601.x , Open Access version : http://archimer.ifremer.fr/doc/00090/20155/
Ker Stephan (2012). Développement de méthodes d’imagerie sismique par grand fond et d’analyse multiéchelle par ondelettes pour la caractérisation à haute résolution du sous-sol marin . PhD Thesis , Université Denis Diderot Paris 7 . http://archimer.ifremer.fr/doc/00160/27153/

2011

Sultan Nabil, Riboulot Vincent, Ker Stephan, Marsset Bruno, Geli Louis, Tary Jean-Baptiste, Klingelhoefer Frauke, Voisset Michel, Lanfumey Valentine, Colliat Jean-Louis, Adamy Jerome, Grimaud S. (2011). Dynamics of fault-fluid-hydrate system around a shale-cored anticline in deepwater Nigeria . Journal Of Geophysical Research-solid Earth , 116(B12110), 22 p. Publisher's official version : http://doi.org/10.1029/2011JB008218 , Open Access version : http://archimer.ifremer.fr/doc/00060/17106/
Ker Stephan, Le Gonidec Yves, Gibert D., Marsset Bruno (2011). Multiscale seismic attributes: A wavelet-based method and its application to high-resolution seismic and ground truth data . Geophysical Journal International , 187(2), 1038-1054 . Publisher's official version : http://doi.org/10.1111/j.1365-246X.2011.05207.x , Open Access version : http://archimer.ifremer.fr/doc/00049/15994/
Thomas Yannick, Marsset Bruno, Ker Stephan, Vardy Mark (2011). JCR269 cruise report RSS James Clark Ross (British Antartica Survey) 27th August - 5th September, 2011 High Resolution Surface Seismic data . REM/GM/LGG/2011-08 .

2010

Rochat A, Marsset Bruno, Thomas Yannick, Ker Stephan (2010). MARMESONET Cruise Leg 2. R/V Le Suroît. 29 November - 10 December 2009. Compte rendu de traitement phase 2 - Travaux préliminaires mars - novembre 2010 . DOP/CB/GM/LGG/2010-25 .
Ker Stephan, Marsset Bruno, Garziglia Sebastien, Le Gonidec Y., Gibert D., Voisset Michel, Adamy J. (2010). High-resolution seismic imaging in deep sea from a joint deep-towed/OBH reflection experiment: application to a Mass Transport Complex offshore Nigeria . Geophysical Journal International , 182(3), 1524-1542 . Publisher's official version : http://doi.org/10.1111/j.1365-246X.2010.04700.x , Open Access version : http://archimer.ifremer.fr/doc/00044/15510/
Sultan Nabil, Marsset Bruno, Ker Stephan, Marsset Tania, Voisset Michel, Vernant Antoine-Mathieu, Bayon Germain, Cauquil Eric, Adamy J., Colliat J. L., Drapeau D. (2010). Hydrate dissolution as a potential mechanism for pockmark formation in the Niger delta . Journal Of Geophysical Research-solid Earth , 115(B08101), 1-33 . Publisher's official version : http://doi.org/10.1029/2010JB007453 , Open Access version : http://archimer.ifremer.fr/doc/00012/12300/
Plaza-Faverola Andreia, Westbrook Graham K., Ker Stephan, Exley Russell J. K., Gailler Audrey, Minshull Tim A., Broto Karine (2010). 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 . Journal Of Geophysical Research-solid Earth , 115(B08104), 1-24 . Publisher's official version : http://doi.org/10.1029/2009JB007078 , Open Access version : http://archimer.ifremer.fr/doc/00012/12326/
Marsset Tania, Marsset Bruno, Ker Stephan, Thomas Y., Le Gall Yves (2010). High and very high resolution deep-towed seismic system: Performance and examples from deep water Geohazard studies . Deep-sea Research Part I-oceanographic Research Papers , 57(4), 628-637 . http://doi.org/10.1016/j.dsr.2010.01.001
Thomas Yannick, Marsset Bruno, Ker Stephan, Regnault Jean-Pierre (2010). MARMESONET Cruise Leg 2. R/V Le Suroît. 29 November - 10 December 2009. Data Acquisition report. 3DHR Seismic and sub-bottom profiler data . DOP/CB/GM/LGG/2010-22 .
Garziglia Sebastien, Sultan Nabil, Cattaneo Antonio, Ker Stephan, Marsset Bruno, Riboulot Vincent, Voisset Michel, Adamy J., Unterseh (2010). Identification of Shear Zones and Their Causal Mechanisms Using a Combination of Cone Penetration Tests and Seismic Data in the Eastern Niger Delta . Advances in Natural and Technological Hazards Research , 28, 55-65 . Publisher's official version : http://doi.org/10.1007/978-90-481-3071-9_5 , Open Access version : http://archimer.ifremer.fr/doc/00105/21662/

2009

Leon Pierre, Ker Stephan, Le Gall Yves, Marsset Bruno, Voisset Michel (2009). SYSIF a New Seismic Tool for Near Bottom very High Resolution Profiling in Deep Water . OCEANS 2009 - EUROPE, pp.1-5 .

2008

Ker Stephan, Le Gall Yves, Marsset Tania, Leon Pierre (2008). SYSIF, a low frequency seismic profiler for near-bottom marine geophysics . Proceedings of the 70th EAGE Conference . http://archimer.ifremer.fr/doc/00127/23841/
Tesmi Jose, Minshull Tim A., Westbrook Graham, Nouze Herve, Ker Stephan, Gailler Audrey, Exley Russell J. K., Berndt Christian (2008). A geophysical study of a pockmark in the Nyegga region, Norwegian Sea . Proceedings of the 6th International Conference on Natural Gas Hydrates. 6th International Conference on Gas Hydrates. Vancouver BC, Canada, International Conference on Gas Hydrates. pp.1-8 .
Westbrook Graham K., Exley Russell J. K., Minshull Tim A., Nouze Herve, Gailler Audrey, Tesmi Jose, Ker Stephan, Plaza Andreia (2008). High-resolution 3D seismic investigations of hydrate-bearing fluid escape chimneys in the Nyegga region of the Voring Plateau, Norway . Proceedings of the 6th International Conference on Gas Hydrates (ICGH 2008), Vancouver, British Columbia, CANADA, July 6-10, 2008. pp.1-12 .


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