Marine Biogeochemistry

Current Projects

SUGAR Projekt
(Submarine Gas Hydrate Reservoirs)
1. phase & 2. phase & 3. phase

Sub-seabed CO2 Storage: Impact on Marine Ecosystems

"Stable isotopes of strontium as a new proxy for continental weathering, pedogenesis processes and seawater temperature"

The Helmholtz Alliance “Robotic Exploration of Extreme Environments – ROBEX” brings together space and deep-sea research.

Impact of Fluid circulation in old oceanic Lithosphere on the seismicity of transfOrm-type plate boundaries: neW solutions for early seismic monitoring of major European Seismogenic zones. FLOWS is implemented as COST Action ES1301

Managing Impacts of Deep-seA reSource exploitation

How did the sea get so salty? Beneath the Mediterranean Sea lies a layer of salt more than one kilometre thick. Where did this salt come from? A European research project is trying to find out.

Biogeochemical investigations in anoxic Cariaco Basin sediments. Funded by BMBF, period Nov 2014 - Oct 2016. Contact: Andrew Dale.

SPP 1319
Biological transformations of hydrocarbons without oxygen: from the molecular to the global scale, DFG Priority Programme

E-book and book about gas hydrates for public outreach and decision makers. "Frozen Heat - A global outlook on methane gas hydrates"

Permafrost and gas hydrate related methane release in the Arctic and impact on climate change: European cooperation for long-term monitoring

SFB 754
Climate-Biogeochemistry Interactions in the Tropical Ocean, DFG Collaborative Research Centre

The Future Ocean
DFG Cluster of Excellence

SFB 574
Volatiles and Fluids in Subduction Zones: Climate Feedback and Trigger Mechanisms for Natural Disasters, DFG Collaborative Research Centre

Marine carbonate archives: controls on carbonate precipitation and pathways of diagenetic alteration, DFG Research Unit

Ecological aspects of deep-sea mining (A Pilot Action of the Joint Programme Initiative Oceans,

Characterization and Energy Production Strategies of Gas Hydrate Deposits in the Northern South China Sea
Helmholtz-CAS Joint Research Group (Partners: GIEC-CAS, GFZ)

Microbial degradation of hydrocarbons in petroleum‐impacted marine sediments,
Industry Project (RWE)

Microbial methane consumption in contrasting ocean environments:
Effects of elevated seepage and geochemical boundary conditions, D-A-CH Projekt (SNF-Lead)

Bubble Shuttle
Transport Methan-oxidierender Mikroorganismen aus dem Sediment in die Wassersäule über Gasblasen, DFG Projekt


Prof. Dr. Klaus Wallmann
GEOMAR | Helmholtz-Zentrum für Ozeanforschung Kiel
Wischhofstr. 1-3
24148 Kiel
Telefon: 0431 600-2287
Telefax: 0431 600-2928
e-mail: kwallmann(at) 

Christine Utecht
GEOMAR | Helmholtz-Zentrum für Ozeanforschung Kiel
Wischhofstr. 1-3
24148 Kiel
Telefon: 0431 600-2116
e-mail: cutecht(at)