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Reponse of precipitation to dynamics in global-storm resolving models
2023Most climate models show a precipitation increase with warming that is smaller than the increase in moisture, which requires a weakening of the convective mass flux and a slowing of the overturning circulation. In this study we use global-storm resolving models (DYAMOND models) to identify the systematic relationships between the precipitation, the ...
Lucile Ricard +3 more
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Intercomparison of global storm resolving (coupled) climate models
2020<p>The DYAMOND (DYnamics of the Atmospheric general circulation Modeled On Non-hydrostatic Domains) project is an intercomparison project for global storm resolving models with horizontal resolutions < 5km. In Phase 0, nine models participated in simulating a 40 day period from August 2016 on.
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Tropical precipitation biases in nextGEMS storm-resolving Earth System Models
2023Global Earth System Models at storm-resolving resolutions (SR-ESM, with horizontal resolutions of ~4km) are being developed as part of the nextGEMS collaborative European EU’s Horizon 2020 programme. Through breakthroughs in simulation realism, these models will eventually allow us to understand and reliably quantify how the climate will ...
Simona Bordoni +2 more
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Characteristics of African Sahel Precipitation in global storm-resolving Climate Models
2023The simulation of precipitation in the African Sahel region is challenging for current global climate models. These models conventionally work with grids with horizontal resolution larger than 100 km and therefore must use parametrization schemes to simulate deep convection.
Dorian Spät +2 more
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Stratocumulus variability in global storm-resolving models
Stratocumulus clouds are important for the Earth's planetary albedo and play a central role in determining Earth's sensitivity to forcing. Recent global-coupled simulations at kilometer-scale resolution in the atmosphere and the ocean, conducted in the framework of the H2020 nextGEMS project, offer opportunities to study cloud processes, their ...Ian D'Amato Dragaud +5 more
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Surface irradiance variability over land in storm-resolving models.
With increasing horizontal resolution in global models, we may expect an increasingly more realistic representation of cloud development over land as both large-scale circulations and local surface heterogeneities, such as orography and land use type, are better resolved.Menno Veerman, Chiel van Heerwaarden
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Getting a single tropical rainbelt in a global storm-resolving model
Resolving deep convection using a horizontal grid spacing of 10 km or finer was supposed to produce a correct representation of tropical precipitation. Global coupled or uncoupled storm-resolving simulations using the ICOsahedral Non-hydrostatic model (ICON) show a proper representation of the tropical rainbelt over land. However, the tropical rainbeltHans Segura +13 more
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Monsoon precipitation biases in storm-resolving NextGEMS Earth System Models
Global Earth System Models at storm-resolving resolutions (SR-ESM, with horizontal resolutions of ~4km) are being developed as part of the nextGEMS collaborative European EU’s Horizon 2020 programme.  Within the Storms & Ocean theme, we are exploring how resolving convective storms, ocean mesoscale eddies, and air-sea ...Simona Bordoni, Adrian M. Tompkins
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Climate simulations with global storm-resolving models from transient states.
Climate models are an important tool to address challenges we face due to the changing climate. The global warming of the atmosphere and ocean leads to an increase in energy accessible to foster more frequent and intense tropical cyclones, extreme precipitation, and heatwaves, causing increasingly larger economic and non-economic damage.Kai Keller +5 more
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