Sea-going expeditions
1. North Atlantic: RV “Meteor” 36, 19.08.-04.09.1996, Reykjavik (Iceland) – Lisbon (Portugal), project: BIGSET, main research topic: deep-sea ecology
2. Arabian Sea: RV “Sonne” 118, 01.04.-10.05.1997, Mascat – Mascat (Oman), project: BIGSET, main research topic: deep-sea ecology
3. North Polar Sea: RV “Polarstern” ARKXI, 26.05.-24.06.1997, Lonyearbyen – Tromsoe (Norway), project: SFB 313, main research topic: productivity and sea-ice biota
4. Arabian Sea: RV “Sonne” 129, 01.02.-10.03.1998, Mascat (Oman) – Dubai (Emirates), project: BIGSET, main research topic: deep-sea ecology
5. Hydrate Ridge, Oregon: RV “Sonne” 142-2, 30.07-25.08.1999, Astoria – Astoria (OR, USA), projects: TECFLUX I, main research topic: gas hydrates, anaerobic oxidation of methane, chemosynthesis
6. Hydrate Ridge, Oregon: RV “Sonne”148-1/ROV “ROPOS”, 20.07.-03.08. 2000, Victoria – Victoria (Canada), projects: TECFLUX II/MUMM, main research topic: gas hydrates, anaerobic oxidation of methane, chemosynthesis
7. Chile: RV “Sonne” 156, 18.04-14.05.2001, Valparaiso – Talcahuano (Chile), projects: PUCK/MUMM, main research topic: productivity, sulfur bacteria, anaerobic oxidation of methane
8. Black Sea: RV “Prof. Logachev”/submersible “JAGO”, 29.06.-23.07.2001, Constanza – Constanza (Romania), projects: GHOSTDABS/MUMM, main research topic: anaerobic oxidation of methane, gas hydrates
9. Hydrate Ridge, Oregon: RV “Sonne” 165, 08.06.-21.08.2002, San Diego – Portland – San Francisco (USA), projects: OMEGA/LOTUS/MUMM, main research topic: gas hydrates, anaerobic oxidation of methane, chemosynthesis
10. Gulf of Mexico: RV “Sonne” 174-1, 02.10.-23.10.2003, Balboa (Panama) – Corpus Christi (USA), projects: OMEGA/LOTUS/MUMM, main research topic: gas hydrates, anaerobic oxidation of methane, chemosynthesis
11. Santa Cruz Basin (East Pacific): RV “Western Flyer”/ROV “Tiburon”, 28.02.-05.03.2004, Moss Landing – Moss Landing (CA, USA), main research topic: whale and wood falls
12. Black Sea: RV “Poseidon” 317-3/ submersible “JAGO”, 28.09.-13.10.2004, Istanbul – Istanbul (Turkey), projects: METROL/MUMM, main research topic: anaerobic oxidation of methane
13. Hydrate Ridge (Oregon) and Eel River Basin (North California): RV “Atlantis”/submersible “Alvin”, 10.07. – 30.07.2006, San Diego – San Francisco (CA, USA), project: METAZO, main research topic: high-sulfidic environments, anaerobic oxidation of methane
14. New Zealand: RV “Sonne” 191, 02.-26.02.2007, Wellington – Napier (NZ), projects: MUMM/COMET/NEWVENT, main research topic: exploration of new cold-seep habitats and gas hydrates off New Zealand
15. Eastern Mediterranean: RV”Pelagia”, PE298/ROV “Cherokee”, 07.-25.11.2008, Heraklion (GR) – Port Said (Aegypten), Project: West-Nile-Delta Project, research topic: mud volcanoes in the Nile delta
16. Beaufort Sea: USCGC”Polar Sea”, 15.-26.09.2009, Barrow – Barrow (AK, USA), MITAS Project, research topic: Arctic gas hydrates
17. Chile, South Pacific: RV “Sonne” 210, 24.09.-01.11.2010, Valparaiso – Valparaiso (Chile), project: SFB574, research topic: Volatiles and fluids at subduction zones
18. Mauritania, Atlantic Ocean: RV “MS Merian” 17-4, 10.03.-12.04.2011, Dakar (Senegal) – Las Palmas (Gran Canaria), Project: SFB754, research topic: biogeochemical processes in oxygen minimum zones
19. Spitzbergen, Arctic Ocean: RV “Poseidon” 10.08.-30.08.2011, Tromø (Norway) – Longyearbyen (Svalbard), Projects: HYPOX and Cluster of Excellence, research topic: Arctic gas hydrates
20. Spitzbergen, Arctic Ocean: RV “Merian” 21-4, 13.08.-10.09.2012, Reykjavik (Iceland) – Emden (Germany), Project: Cluster of Excellence, research topic: Arctic gas hydrates
21. Peru, South Pacific: RV “Meteor” M92, 05.01.-03.02.2013, Callao-Callao (Peru), Project: SFB754, research topic: biogeochemical processes in oxygen minimum zones
22. Mauritania, Atlantic Ocean: FS “MS Meteor” M107, 29.05.-04.07.2014, Fortaleza (Brasil) – Las Palmas (Gran Canaria), Project: SFB754, Project: SFB754, research topic: biogeochemical processes in oxygen minimum zones
23. North Sea: RV “Poseidon” POS504, 27.08.-09.09.2016, Kiel (Germany) – Kiel (Germany), Project: Bubble Shuttle (DFG), research topic: methane blowout
24. Nankai Trough: DSSDV “Chikyu” IODP 370, 20.10.-11.11.2016 Kochi (Japan), research topic: temperature limit of the deep biosphere.
25. Peru, South Pacific: RV “Meteor” M137, 05.05.-29.05.2017, Callao-Callao (Peru), Project: SFB754, research topic: biogeochemical processes in oxygen minimum zones
26. Santa Barbara Basin, NE Pacific: RV “Atlantis” AT42-19, 29.10.-10.11.2019, San Diego-San Diego (USA), Project: NSF Award No. 1829981, research topic: benthic sulfur, nitrogen and carbon cycling in the oxygen minimum zone of the Santa Barbara Basin
27. Santa Barbara Basin, NE Pacific: RV “Atlantis” AT50_11, 23.06.-12.07.2023, San Diego-San Diego, Project: NSF Award No. 1829981, research topic: benthic sulfur, nitrogen and carbon cycling in the oxygen minimum zone of the Santa Barbara Basin
28. Southern California, NE Pacific: RV “Atlantis” AT50_12, 15.07.-30.07.2023, San Diego-San Diego, Project: NSF Award No. 2048597, research topic: defining the carbon footprint of methane in the deep-sea community
Plus multiple field trips to Eckernförde Bay, Baltic Sea with RB “Polarfuchs”, RB “Littorina”, and RV “Alkor” and to the Santa Monica Basin, North-East Pacific with the RV “Yellowfin”.
Submersible dives
1. “JAGO“, Dive 755, Black Sea Cold Seeps, 11.07.2001
2. “JAGO“, Dive 851, Black Sea Cold Seeps, 06.10.2004
3. “JAGO“, Dive 854, Black Sea Cold Seeps, 08.10.2004
4. “ALVIN“, Dive 4212, Hydrate Ridge/Southern Summit,18.07.2006
5. “ALVIN“, Dive 4217, Hydrate Ridge/Eastern Basin, 23.07.2006
6. “JAGO“, Dive 1184, Svalbard Cold Seeps, 23.08.2012
7. “ALVIN“, Dive 5183, Santa Barbara Basin, NDT3-C, 02.07.2023
8. “ALVIN“, Dive 5185, Santa Barbara Basin, NDRO, 04.07.2023
9. “ALVIN“, Dive 5191, Santa Barbara Basin, Abyss Lander, 10.07.2023
10. “ALVIN“, Dive 5194, Del Mar Seep, 18.07.2023
11. “ALVIN“, Dive 5203, Redondo Knoll Seep, 27.07.2023