Climate Sciences

Unraveling the Climate System

From Polar Observations to Global Projections

Earth’s climate is shaped by intricate physical and biogeochemical processes in the atmosphere, cryosphere, and ocean. Understanding these processes – especially in the rapidly changing polar regions where the changes have far-reaching implications, such as global sea level rise – is at the heart of our research. We strive to understand fundamental processes such as climate warming, sea ice decline, and sea level rise, distinguishing natural climate variability from human-induced changes. This research provides critical insights into the past, present, and future of our planet. In cooperation with our colleagues in the Bio- and Geosciences, our research extends to investigating the impact of climate change on marine ecosystems in polar regions, addressing crucial questions about biodiversity, ecosystem shifts, and species adaptation.

Our approach is twofold: we observe, and we simulate. We operate cutting-edge measurement systems across the Arctic and Antarctic, using research vessels, such as the icebreaker Polarstern, observatories, aircrafts, and satellites to capture the evolving dynamics of the ocean, atmosphere, sea ice, and ice sheets. At the same time, we push the boundaries of climate modeling – one of our key strengths – by developing, refining, and validating regional and global coupled climate models, harnessing the power of high-performance computing. These models allow us to go beyond understanding past and present climate patterns; they empower us to project the future, shedding light on what lies ahead in a warming world.

By combining high-resolution process studies of small-scale, short-term phenomena with long-term observational programs, we bridge the gap between immediate climate responses and deep-time trends. This integrated approach ensures that our science not only advances fundamental knowledge but also informs decision-making in a world where man-made climate change is an undeniable reality.

In addition to our scientific endeavors, we strongly prioritize training the next generation of scientists. Within our vibrant research environment, and together with university partners and graduate schools, we support students to develop as researchers and to contribute to cutting-edge research in climate science. We actively communicate to the public, and work to make our findings more accessible. Besides the sea ice portal, there is also the storylines work, and other communication efforts.

We are committed to the continuous advancement of climate science and its role in shaping a sustainable future.