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

Goswami Bedanta K., Weitemeyer Karen A., Bunz Stefan, Minshull Timothy A., Westbrook Graham, Ker Stephan, Sinha Martin C. Variations in pockmark composition at the Vestnesa Ridge: Insights from marine controlled source electromagnetic and seismic data . Geochemistry, Geophysics, Geosystems IN PRESS . http://doi.org/10.1002/2016GC006700

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 . http://doi.org/10.1016/j.epsl.2015.11.047

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 . http://doi.org/10.1016/j.dsr.2014.07.013
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 . http://doi.org/10.1016/j.epsl.2013.05.013
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 .

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 . http://doi.org/10.1111/j.1365-246X.2012.05601.x
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 .

2010

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 . http://doi.org/10.1111/j.1365-246X.2010.04700.x
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 .
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 . http://doi.org/10.1007/978-90-481-3071-9_5

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 ´09 IEEE Bremen "Balancing technology with future needs", 11–14 May 2009 Bremen, Germany .

2008

Ker Stephan, Le Gall Yves, Marsset Tania, Leon Pierre (2008). SYSIF, a low frequency seismic profiler for near-bottom marine geophysics . 70th EAGE Conference & Exhibition, 9 - 12 June 2008, Rome, Italy . 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 . ICGH 2008 - 6th International Conference on Gas Hydrates.July 6-10, Vancouver, British Columbia, CANADA, .
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 . ICGH 2008 - International Conference on Gas Hydrates. Vancouver, British Columbia, CANADA, July 6-10, 2008 .


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