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The Digital Revolution of Earth System Modelling
DescriptionThis talk will outline three revolutions that happened in Earth system modelling in the past decades. The quiet revolution has leveraged better observations and more compute power to allow for constant improvements in prediction quality over the last decades; the digital revolution has enabled us to perform kilometer-scale simulations on modern supercomputers that further increase the quality of our models; and the machine learning revolution has now shown that machine-learned weather models are often competitive with physics-based weather models for many forecast scores while being easier, smaller and cheaper. This talk will summarize past developments, explain current challenges and opportunities, and outline what the future of Earth system modelling will look like — in particular, regarding machine-learned foundation models in a physical domain such as Earth system modelling.
