| 2011 October R/V Maria S. Merian | MSM 19/1, SW Africa Benguela Upwelling Region |
| 2011 March - April R/V Maria S. Merian | MSM 17/4, Northwest African Shelf Nitrification and organic matter remineralization experiments |
| 2010 April R/V Poseidon | P398, NW Africa Cape Blanc, Mauretania |
| 2007 July - August R/V Professor Albrecht Penck | Baltic Sea |