Dr. Helmke Hepach

Research Division 2: Marine Biogeochemistry
RD Biological Oceanography

Room: 2-115
Tel.: +49 (0)431 600 4286
E-Mail: hhepach(at)geomar.de

GEOMAR Helmholtz Centre for Ocean Research Kiel
Wischhofstr. 1-3, ENB (Building 5)
24148 Kiel

Research interests

  • Connecting sensor-based and discrete measurements using AI methods → Project INSYST (AI initiative of Schleswig-Holstein)
  • Organic matter in the Baltic Sea and continuous monitoring of biochemical variables → Project CREATE (DAM research mission "Protection and sustainable use of the ocean")
  • East-West gradients of biogeochemical variables in the subtropical and tropical Atlantic → Project CONNECT (BMBF funded, RV Sonne SO287)
  • Brominated and iodinated compounds in the ocean
  • Air-sea gas exchange


  •  November 2009 - June 2014  PhD student at the Christian-Albrechts-University Kiel, topic: "Marine Emissions of Halogenated Trace Gases from the Tropical Ocean"
  • October 2004 - September 2009  Marine Environmental Sciences (German Diplom) at the Carl von Ossietzky University Oldenburg
  • January - June 2009  Diplom thesis at the Department of Earth and Ocean Sciences of the University of British Columbia Vancouver, Canada
  • February - June 2008  Erasmus studies in Scienze ambientali at the Università degli studi di Perugia, Italy


  • Since September 2023 – Project lead project INSYST
  • Since December 2021 – Postdoc at GEOMAR in the Biological Oceanography (working group of Prof. Dr. Anja Engel, project CREATE) und the Chemical Ozeanography (working group of Dr. Birgit Quack, project CONNECT, and working group of Prof. Dr. Hermann Bange, project CREATE)
  • January 2021 – November 2021 Scientific coordinator of The Earth League at GERICS (Climate Service Center Germany - An institution of the Helmholtz-Zentrum Hereon), Hamburg, Germany
  • May 2018 – December 2020 PostDoc at GEOMAR in the Biological oceanography (working group of Prof Dr Anja Engel), CoastSens project
  • August 2016 - December 2017 Postdoctoral Research Associate at the University of York (Environment Department), working group of Dr Claire Hughes
  • July 2014 – July 2016 PostDoc at GEOMAR in the Chemical oceanography (Halocarbon working group)
  • November 2009 – June 2014 PhD student at GEOMAR in the Chemical oceanography (Halocarbon working group)
  • July 2007 – August 2009 Student assistant at the Postdam-Institute for Climate Impact Research (PIK) in the Research division III Sustainable Solutions
  • November – December 2008 Internship at the Alfred-Wegener-Institute for Polar and Marine Research (Research division Potsdam) in the Atmospheric Circulation Section


  • December 2021 - January 2022: SO287-CONNECT (Las Palmas, Spain - Guayaquil, Equador, RV Sonne)
  • February - March 2019: Pos533 (Mindelo, Cape Verde - Las Palmas, Spain - Funchal, Portugal - Las Palmas, Spain, RV Poseidon)
  • October 2018: AL519 (Kiel, Germany - Kiel, Germany, RV Alkor, Chief Scientist)
  • October 2015: ASTRA-OMZ (Guayaquil, Ecuador - Antofagasta, Chile, RV Sonne)
  • July - August 2014: OASIS, SO234/2 (Durban, South Africa - Port Louis, Mauritius, RV Sonne), SO235 (Port Louis, Mauritius - Malé, Maldives, RV Sonne)
  • December 2012: M91 (Callao, Peru - Callao, Peru, RV Meteor)
  • November 2011: SHIVA-Sonne (Singapore, Singapore - Manila, Philippines, RV Sonne)
  • June - July 2011: MSM18/3 (Mindelo, Cape Verde - Libreville, Gabon, RV Maria S. Merian)
  • May - June 2010: Pos399/2 and 3 (Las Palmas, Spain - Mindelo, Cape Verde, Las Palmas, Spain - Vigo, Spain, RV Poseidon)