The role of the ocean in climate change

Temperature and currents at 450 metres depth in the high resolution Kiel ocean model. (Instantaneous values). Source: A. Biastoch, GEOMAR.

The oceans play a central role in global change processes.Major aspects of climate change are associated with the ocean’s heat transport, heat capacity, and the global water cycle. However, oceanic storage, transformation, transport and exchange of radiatively and chemically active gases and particles also exert an influence on climate through their impact on atmospheric radiation transfer. Past climate change has had demonstrable influences on the isotopic and chemical composition of seawater, which permits these signals to be investigated as potential recorders of change. Since exchanges of heat and substances between the ocean, land and the atmosphere operate on time scales ranging from seasons to millennia, they are amongst the most important factors for shaping future global climate change.

Research topics under this headline include:

  • Understanding of Past, Present and Future Overturning Circulation Changes
  • Changes in the Tropics
  • Present and Past Arctic Oceanography and Climate
  • Future Greenhouse Warming: Assessment and Scenarios
  • Past Geochemical Change in the Oceans

 

 

 

News for topic: the role of the ocean in climate change

The Gulf Stream in the North Atlantic shown by simulated surface temperatures in a high-resolution ocean model. Simulation and Rendering: ocean modeling group GEOMAR
12.08.2016

What is the future of the Gulf Stream circulation?

New study by Kiel scientists reveals large model uncertainties

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04.08.2016

Looking back into the future: Are corals able to resist a declining pH?

Samples from reefs at natural carbon dioxide vents facilitate predictions

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Snapshots of sea surface temperature (degrees Celsius) in the Gulf Stream Extension region from a high resolution ocean model simulation. Courtesy of Rafael Abel.
28.07.2016

Improvements in climate simulations

Feedback between mesoscale eddies and the atmosphere is fundamental

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