Abstract
(Englisch)
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With present computational capabilities and data volumes entering the Exascale Era, digital twins of the Earth system will be able to
mimic the different system components (atmosphere, ocean, land, lithosphere) with unrivaled precision, providing analyses, forecasts,
and what if scenarios for natural hazards and resources from their genesis phases and across their temporal and spatial scales. DT-GEO
aims at developing a prototype for a digital twin on geophysical extremes including earthquakes, volcanoes, tsunamis, and anthropogenicinduced
extreme events. The project harnesses world-class computational and data Research Infrastructures (RIs), operational monitoring
networks, and leading-edge research and academia partnerships in various fields of geophysics. The project will merge and assemble
latest developments from other European projects and Centers of Excellence to deploy 12 Digital Twin Components (DTCs), intended
as self-contained containerized entities embedding flagship simulation codes, Artificial Intelligence layers, large volumes of (real-time)
data streams from and into data-lakes, data assimilation methodologies, and overarching workflows for deployment and execution of
single or coupled DTCs in centralized HPC and virtual cloud computing RIs. Each DTC addresses specific scientific questions and
circumvents technical challenges related to hazard assessment, early warning forecast, urgent computing, or resource prospection. DTCs
will be verified at 13 Site Demonstrators (SD) and their outcomes will contain rich metadata to enable (semi-)automatic discovery,
contextualisation, and orchestration of software (services) and data assets, enabling its integration to the European Open Science Cloud
(EOSC). The proposal aims at being a first step of a long-term community effort towards a twin on Geophysical Extremes integrated
in the Destination Earth (DestinE) initiative.
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