Core Theme


Ocean and Climate

What is the role of the ocean in the global climate system and how can we improve predictions and scenarios?



Core Theme


Marine Ecosystems and Biogeochemical Cycles

How does climate change alter marine communities and what are the consequences for humankind?



Core Theme


Ocean Threats and Benefits

How can we forecast marine natural hazards and use resources from the seafloor in a responsible way?



GEOMAR: Our World is the Ocean

GEOMAR explores the global ocean from the seafloor to the atmosphere to understand the ocean system and enable the development of sustainable solutions for pressing societal issues. Its research and its commitment to knowledge and technology transfer contribute significantly to preserving the function of the ocean and safeguarding it for future generations.

GEOMAR research covers a unique range of physical, chemical, biological and geological ocean processes. Members of the four research divisions Ocean Circulation and Climate Dynamics, Marine Biogeochemistry, Marine Ecology and Dynamics of the Ocean Floor cooperate in the three core themes Ocean and Climate, Marine Ecosystems and Biogeochemical Cycles and Ocean Threats and Benefits as well as the four Integrative Research Foci Atlantic Ocean Upwelling, Marine Carbon Sinks, Digital Twin Ocean and Metals in the Ocean. All work focuses on the open “blue” ocean.


GEOMAR Research News

Marine litter on the north-west coast of Sørkappland, Svalbard.

Climate Change and Pollution Affecting Life in the Arctic

ICEBERG Project Collaborates with Indigenous Peoples and Local Communities

Ice floes on blue water in a fjord. Mountains in the background.

Expedition investigates the effects of climate change off Greenland

MERIAN expedition MSM130 investigates meltwater runoff from Greenland glaciers, the loss of Arctic sea ice and the interfaces of ice, ocean and atmosphere off the east coast of Greenland

Meer und Himmel nach dem Sonnenuntergang

Loss of oxygen in bodies of water identified as new tipping point

Current study involving GEOMAR calls for aquatic oxygen loss to be recognised as another Planetary Boundary


Sometimes friend, sometimes foe

Research network DynaSym investigates relationships in plankton communities