Research cruises
06-07.19 FK100612 with RV FALKOR
10.19 POS530
07-08. 18 POS526
04.18 Simon Stevin
07-08.15 SO242-1 with RV SONNE (DISCOL area Equatorial Pacific); Cruise as part of JPIO the DEA area; PI of the cruise.
03-04.15 SO239 with RV SONNE (CCZ, Equatorial Pacific); Cruise as part of JPIO to Mn-nodule license areas, Co-PI of the cruise.
07.14 GEO3144 with RV HELMER HANSSEN (Svalbard, Arctic); cooperation with the “Trainee School in Arctic Marine Geology and Geophysics” at Tromsø University; water column geochemistry, CTDs, hydroacoustic.
09.13 64PE376 with RV PELAGIA (North Sea); High intensity seep site in the North Sea base studies as part of a long-term monitoring effort. Hydroacoustic, geochemical and atmospheric analyses.
07.13 GEO3144 with RV HELMER HANSSEN (Svalbard, Arctic); cooperation with the “Trainee School in Arctic Marine Geology and Geophysics” at Tromsø University; water column hydroacoustic.
09.12 AK211 with RV AKADEMIK (Bulgaria, Black Sea);Spatial methane and CO2fluxquantificationfrom a pockmark area in the Black Sea; multibeam mapping, video observations, CTD water sampling. PI of the cruise.
07.12 GEO3144 with RV HELMER HANSSEN (Svalbard, Arctic); cooperation with the “Trainee School in Arctic Marine Geology and Geophysics” at Tromsø University; multibeam mapping, CTD and water sampling, air sampling, video observations at the seafloor.
06.12 64PE354 with RV PELAGIA (North Sea); High intensity seep site in the North Sea base studies as part of a long-term monitoring effort. PI of the cruise.
08.11 PO419 with RV POSEIDON (Svalbard, Arctic); multibeam mapping, hydro-acoustic, CTD and water sampling, air sampling, video observations at the seafloor, navigation.
03.-04.11 SO214 with RV SONNE (Hikurangi Margin, New Zealand; multibeam mapping, CTD and water sampling, air sampling, video observations at the seafloor, sediment coring, navigation; Co-PI of cruise.
10.10 AOEM with RV Jan Mayen (Svalbard, Arctic); multibeam mapping, CTD and water sampling, air sampling, video observations at the seafloor.
06.10 S-13-10-SC with RV Parker Snavely (Santa Barbara, California); joint test cruise with USGS and UCSB to use a RESON 7125 multibeam systems for bubble detection and quantification; ROV dives; atmospheric methane concentrations.
09.09 MITAS-1 with USCGC POLAR SEA (Beaufort Sea, Arctic); Joint research cruise with Naval Research Laboratory (NRL) and National Energy and Technology Lab (NETL DoE) of the US to study gas hydrates and methane release; Multibeam mapping, sub-bottom profiling, CTD and water sampling, air sampling; Co-PI of cruise.
07.09 GEO3144 with RV Jan Mayen (Svalbard, Arctic); cooperation with the “Trainee School in Arctic Marine Geology and Geophysics” at Tromsø University; multibeam mapping, CTD and water sampling, air sampling, video observations at the seafloor.
11.08 64PE-289 with RV PELAGIA (Nile Delta); Geophysical and biogeochemical studies at mud volcanoes in the Nile Delta (commercial project of IFM-GEOMAR); multibeam mapping and ROV navigation.
06.08 Belgica 13a with RV BELGICA (Bay of Biscay); multibeam and ROV survey of cold water corals. ROV navigation and multibeam mapping (EM1002).
02.08 Multibeam survey in Lake Geneva (Switzerland); Seabeam 1050 system, first Multibeam map of the Rhone and Dranse Delta. PI of survey.
01.-03.07 SO191 with RV SONNE (New Zealand); cold seep and gas hydrate research offshore New Zealand's East Coast Region. Co-PI of the cruise and the New-Vents project; participation as geophysicist: single-beam, bathymetric and side-scan mapping; hydroacoustic monitoring of bubble release by lander based systems (GasQuant); ADCP measurements; geochemist: online monitoring of water surface and atmospheric methane concentrations; methane analyses in the water column; geologist: TV-guided seafloor observations. Co-PI of cruise.
10.06 TAN06-16 with RV TANGAROA (New Zealand); habitat mapping at around seep sites; participation as geophysicist: bubble detection by single beam echosounder; multibeam mapping; geologist: visual seafloor observations; CTD water sampling
06.-07.06 TAN06-07 with RV TANGAROA (New Zealand); Seismic and geochemical studies in gas hydrate areas; participation as geochemist: geochemical pore water analyses, water sampling with CTD and methane analyses; geophysicist: single-beam and bathymetric mapping, 3D visualization
02.06 VG06 with RV Vidal Gormaz (Chile); Seismic and bathymetric survey at the continental margin offshore Chile (34° to 37°S); participation as geophysicist: bathymetric mapping and backscatter analyses (SeaBeam 1050), 3D visualization
06.05 ALKOR259 with RV ALKOR (North Sea); Methane seepage in pockmark and blow-out areas of the North Sea; project leader; participation as geophysicist: bathymetric mapping with a mobile swath system (SeaBeam 1180); hydroacoustic monitoring of bubble release by lander based systems (GasQuant); ADCP measurements; geochemist: online monitoring of water surface and atmospheric methane concentrations; methane analyses in the water column; geologist: TV-guided seafloor observations
10.-11.04 PO317-3 with RV POSEIDON (Black Sea); Methane seepage from anaerobic environments in the Black Sea (support for the EU-Project METROL); participation as geophysicist: bathymetric mapping with a mobile swath system (SeaBeam 1050); hydroacoustic imaging of gas bubbles in the water column; diving scientist with the submersible JAGO
05.-06.04 PV60 with RV PROFESSOR VODIANITSKIY (Black Sea); Highly intense methane seeps and their contribution to the regional and global methane input to the atmosphere; chief scientist; participation as geophysicist: bathymetric mapping with a mobile swath system (SeaBeam 1050); hydroacoustic imaging of gas bubbles in the water column; ADCP measurements; geologist: TV-guided seafloor observations; CTD water sampling; fluid flux investigations by lander systems.
11.03 ALKOR232 with RV ALKOR (Baltic Sea); Cold reef habitat mapping in the Skagerrak; participation as geophysicist for multibeam mapping (SeaBeam 1050); oceanographic investigations of the water column by CTD casts
05.-06.03 PV58 with RV PROFESSOR VODIANITSKIY (Black Sea); Highly intense methane seeps and their contribution to the regional and global methane input to the atmosphere; project leader; participation as: geochemist (methane analyses by GC); geophysicist: bathymetric mapping with a mobile swath system (SeaBeam 1050); hydroacoustic imaging of gas bubbles in the water column; ADCP measurements; geologist: TV-guided seafloor observations; CTD water sampling; fluid flux investigations by lander systems
06.-08.02 SO165 with RV SONNE (offshore Oregon USA); Fate of methane in the water column at Hydrate Ridge, Oregon USA; project leader; participation as: geochemist (methane analyses by GC, methane analyses by mooring deployed sensors); geophysicist: bathymetric mapping (Simrad EM120); side-scan (Edgetech DTS-1); hydroacoustic imaging and quantification of gas bubbles in the water column; ADCP measurements; geologist: TV-guided seafloor observations
01.02 ME52-1 with RV METEOR (Black Sea); Cold Vents, mud volcanoes and gas seeps in the Black Sea; participation as: geochemist (methane analyses in the water column by GC and sensors); geophysicist: bathymetric mapping (HydropSweep DS2); hydroacoustic imaging and quantification of gas bubbles in the water column (Parasound sub-bottom profiler); geologist:TV-guided seafloor observations;
10.01 ALKOR192 with RV ALKOR (Baltic Sea); Cold Venting in the Skagerrak, test-cruise for new equipment; participation as: geochemist (methane analyses in the water column by GC and sensors); geophysicist: bathymetric mapping (BottomChart MK2/ElacNautik); TV-guided seafloor observations; hydroacoustic imaging and quantification of gas bubbles in the water column
07.-08.01 ME50-4 with RV METEOR (North Atlantic); Oceanography at the Denmark Street and Island Basin; Anaylsis of methane plumes at the mid-Atlantic rift south of the C. Gibbs Fracture Zone; participation as: geochemist (methane analyses in the water column), geophysicist: bathymetric mapping (HydroSweep DS2); geologist: TV-guided seafloor observations
10.-11.00 YK00-10 with RV YOKOSUKA (offshore Japan); Fluid venting at mud volcanoes and Out Off Sequence Thrusts at the Nankai Trough area; participation as: diving scientist, bathymetric mapping.
04.-05.00 SO146-2 with RV SONNE (offshore Peru); Geophysical Experiments along the Peruvian Continental Margin - Investigations of Tectonics, Mechanics, Gas hydrates and Fluid Transport; participation as: sedimentologist (carbonate description and sampling); geologist: TV-guided seafloor observations and sediment sampling
08.-10.99 GE99 with RV MARSHAL GELOVANY (Sea of Okhotsk); Investigation of cold vents and free gas expulsions at the Sakhalin Shelf and in the Derugin Basin, Sea of Okhotsk; participation as: geochemist (O2-analyses in the water column, gas hydrate sampling and degassing); geologist: TV-guided seafloor observations; geophysicist: bathymetric mapping with a towed swath bathymetry system (BottomChart MK2/ElacNautik); hydroacoustic imaging of gas bubbles in the water column
08.-09.98 LV28 with RV AKADEMIK LAVRENTYEV (Sea of Okhotsk); Investigations of cold vents at the Sakhalin Shelf and in the Derugin Basin, Sea of Okhotsk; participation as: sedimentologist (description and sampling of vent induced carbonates); geochemist (O2 analyses in the water column); TV-guided seafloor observations; bathymetric mapping (single beam data)
11.97 – 01.98 ANTXV/2 with RV POLARSTERN (Antarctica), Hydrothermal and cold vent research at theSouth Shetland and South Sandwich Islands; participation as: sedimentologist (core logging, sediment description); TV-guided seafloor observations and sampling; geochemist (O2-analyses in the water column)
07.-08.97 SO110 with RV SONNE (offshore Oregon USA); Cold vent and gas hydrate research at the Oregon and Aleutian margin; participation as: sedimentologist (classification of vent induced carbonates); TV-guided seafloor observations and sampling
05.96 SO109 with RV SONNE (offshore Oregon USA); Hydrothermal vents at Axial Seamount Juan de Fuca Ridge and cold vent/gas hydrate investigations at the Oregon margin; participation as: geochemist (O2-measurements in the water column and at cold vent sites); sedimentologist (TV-guided seafloor observations and sampling)
02.-03.96 SO106 with RV SONNE (offshore Peru); Investigations of anthropogenically caused redox-changes of the seafloor; participation as: sedimentologist; geochemist (O2-measurements in the water column as well as in sediment cores using special O2-electrodes)
