08/2018
AWIPEV Arctic Research Base Ny-Alesund (Svalbard): RIS10715

03/2017
SFB 1211 Expedition (Atacama desert, Chile): Earth - Evolution at the dry limit

09/2016
Expedition to Swedish Lapland: Permafrost C cycling

03/2006
R/V Pelagia Cruise 64PE246 (Irish and Celtic Sea): Reactivity of Anammox

06/2005
R/V Meteor Cruise M65/1 (Dakar-Dakar, Senegal): Climate History & Sedimentation Processes off NW Africa

01-03/2002
Expedition to Kohnen Station (Dronning Maud Land, Antarctica): EPICA Deep Ice Coring Project

12/2001
R/V Polarstern Cruise ANT-XIX/2 (Capetown-Punta Arenas)

06/1997 & 07/2000
Expeditions to Greenland: NGRIP Deep Ice Coring Project