Scientific Experience

1990
Fabric studies and quantitative texture analysis of fine grained sediments (clays, siliceous clays) from ODP Leg 128 (Japan Sea)
1991
Microfabrics, porosity variations and strain analysis of mudrocks from ODP Leg 131 (Nankai Accretionary Prism)
1992
Mass balancing and seismic interpretation of cross-sections using data of ODP Leg 141 (Chile Margin Triple Junction)
1993
Participation in ODP Leg 146 (Cascadia Margin) as sedimentologist; Studies on cementation and diagenetic processes in carbonates on samples from the Oregon Margin;
1994
Seismic processing, interpretation, and computer-based modelling of balanced cross-sections and basins across the Chile Margin
1995
Participation in ODP Leg 160 (Mediterranean Sea) as struct. geologist; Sedimentological and petrographic studies on mud volcano sediments from the Eastern Mediterranean (ODP Leg 160); Textural studies and fabric quantification on clays and claystones (Mediterranean Ridge)
1996
Geotechnical experiments on mud volcano sediments from the Eastern Mediterranean; Isotope studies and vitrinite reflectance on mud volcano sediments; Permeability tests on marine sediments; Drained and undrained shear tests on mudrocks
1997
Fracture analysis on platform carbonates (Mediterranean); Strain evaluation of brittle and ductile deformation (Scotland); Seismic processing and interpretation(Cyprean Arc)
1998
Participation in PRISMED2 cruise (N/O L'Atalante) in the Eastern Mediterranean and ODP Leg 180, Woodlark Basin (R/V Joides Resolution); Seismic processing and interpretation (Eastern Mediterranean)
1999
Coordination of an ODP drilling proposal; boron isotope study on pore fluids and fluid budget estimates at the Costa Rica forearc (ODP Leg 170); participation in two TECFLUX cruises (R/V Sonne) at the Cascadia margin to study gas hydrate-related venting
2000
Habilitation thesis, University of Freiburg, Germany;
Fluid balance calculations over the Mediterranean Ridge accretionary prism; tectonics of the Ninetyeast Ridge (ODP Leg 179); Mud volcanism in the Great Caucasus; B geochemistry of Japan Trench forearc drillcores
2001
Development of a direct shear system at SIO; Ringshear and direct shear experiments on artificial clay and silt mixtures; deformation of Nankai sediment to measure permeability and water-rock interaction at high PT conditions; B geochemistry of clay-carbonate mixtures
2002
Deformation tests and chemistry on sediments from the Woodlark Basin detachment, Costa Rica, and the Japan Trench forearc; B and Cl isotope work on the Japan Trench, Mediterranean mud volcanoes; quantitative studies on global methane flux through mud volcanoes; geochemical balance across the Costa Rica subduction zone
2003
B geochemistry of silicate-water systems; Set-up of a geotechnical laboratory at RCOM Bremen, Research cruise SO175 to study earthquake hazards in the Gibraltar Arc region
2004
Construction of heated deformation systems, high-stress ring shear apparatus, etc.; Slope stability and turbidite research on Gulf of Cadiz sediments; CPT development
2005
Soft sediment deformation and landslide studies (Chile, Switzerland, North Sea, Baltic Sea); Design of a seafloor observatory system for up to 10 instruments with real-time data transmission (FINO1, North Sea); Shear experiments of seismogenic fault gouge (Taiwan, Gulf of Corinth); Design of a deep-water CPT lance
2006
Shear and heated deformation tests of marine sediments and seismogenic fault gouge (Nankai Trough, Nobeoka Fault, San Andreas Fault); Landslide intiation at the Ligurian and Cretan Sea Margins; Development of long-tern pore pressure instruments (FINO1, Azerbaijan)

2007
Development of a 360° scanning sonar tower; In situ testing at Dashgil mud volcano (Azerbaijan)