On 5 November 2020 the European Research Council (ERC) announced the groups of scientists, who are awarded a Synergy Grant in the 2020 call for proposals. MPI-M congratulates Prof Victor Brovkin, group leader in the department „The Land in the Earth System“ at the Max Planck Institute for Meteorology (MPI-M), to a grant for his proposal „Quantify disturbance impacts on feedbacks between Arctic permafrost and global climate – Q-ARCTIC”.
One of the hot topics in climate research is the evolution of the global mean temperature of the last several thousand years, the period from the so-called early and mid-Holocene, some 9000 to 8000 years ago, to the late Holocene, the time where we live in. Geological reconstructions of the global mean annual temperature evolution during this period yield conflicting and puzzling results.
In two recent studies, scientists of the Max Planck Institute for Meteorology (MPI-M) analyzed the feedback between CO2 and climate using Earth System models (ESM) in the Climate Modelling Intercomparison project, phase 6 (CMIP6). The authors Prof. Victor Brovkin, Dr. Tatiana Ilyina, Prof. Julia Pongratz, and Dr. Thomas Raddatz found that the positive feedback between land carbon and climate is much reduced in the new model version and that the natural carbon uptake after a complete stop of CO2…
Dr Tobias Becker, scientist in the department „The Atmosphere in the Earth System“ at the Max Planck Institute for Meteorology (MPI-M), won a prestigious Feodor Lynen Research Fellowship by the Alexander von Humboldt Foundation. From October 2020, he will conduct research for two years together with Dr Irina Sandu at the European Centre for Medium-Range Weather Forecasts (ECMWF). They will study the interaction of deep convection with its environment in global storm-resolving simulations.
The first movie shows the result of a simulation with the ocean model ICON-O at a global resolution of 5km, depicting a close-up of the circulation in the North-Atlantic. Shown are several flow quantities such as horizontal velocity, vorticity, the velocity gradient, and an eddy detection through the Q-criterion. The Q criterion is an important calculation used to identify vortices.
The video shows the visualisation of the “submesoscale telescope experiment” with the ICON ocean model ICON-O. The model was run on a grid with a focus in the North Atlantic. The grid resolution varies between 600m in the North Atlantic and 11km near Australia. This configuration allows us to resolve locally the important dynamical regime of submesoscale dynamics (atmospheric processes of spatial scales below 2 km) within a global set up.
A group of scientists mostly from the Max Planck Institute for Meteorology (MPI-M) studied the representation of tropical precipitation by models participating in the Coupled Modelling Intercomparison Projects (CMIP). Their analysis of output from models spanning twenty years of development over three CMIP phases, found little general improvement in the representation of tropical precipitation.
A new study in Climate Dynamics by Andreas Lang and Uwe Mikolajewicz from the Department "The Ocean in the Earth System" at the Max Planck Institute for Meteorology (MPI-M) shows that the intensity of extreme storm surges on the German North Sea coast is projected to increase under rising greenhouse gas emissions. With the help of numerical ensemble simulations of a special regionally coupled climate model, the authors examined these extreme events.
Researchers around the globe are using numerical climate models in an attempt to find answers to the question: How would global warming change our world? Earth’s climate is extremely complex and difficult to model. Each climate model has its specific strengths and weaknesses. In order to estimate the bandwidth of possible future climate developments, the results of all major climate models worldwide are conjointly evaluated and compared under the auspices of the World Climate Research Project…
The Paris climate agreement from December 2015 recognized that the world is warming and that humans are primarily responsible for it. This provided a powerful impetus not only for climate policy but also for climate research. To address the resulting new challenges, the Cluster of Excellence “Climate, Climatic Change, and Society” (CLICCS) at Universität Hamburg established a long-term program in 2019, spanning the range from basic research on climate dynamics and climate-related social…
Scientists at the Universität Hamburg and the Max Planck Institute for Meteorology (MPI-M) are measuring a weather phenomenon that we all know well, especially these days: thunderstorms. The weather is warm and nice, and suddenly a thunderstorm pops in the sky and produces extreme downpours for a brief instant. During such events, the air temperature cools considerably, especially near the ground due to the evaporation of the precipitation. Strong wind gusts occur, but after a few minutes the…
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