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Simulations of idealised 3D atmospheric flows on terrestrial planets using LFRic-Atmosphere by Sergeev, Denis E.; Mayne, Nathan J.; Bendall, Thomas; Boutle, Ian A.; Brown, Alex; Kavcic, Iva; Kent, James; Kohary, Krisztian; Manners, James; Melvin, Thomas; Olivier, Enrico; Ragta, Lokesh K.; Shipway, Ben J.; Wakelin, Jon; Wood, Nigel; Zerroukat, Mohamed is a scholarly article available to read on EtoBox.

What is Simulations of idealised 3D atmospheric flows on terrestrial planets using LFRic-Atmosphere about?

We demonstrate that LFRic-Atmosphere, a model built using the Met Office's GungHo dynamical core, is able to reproduce idealised large-scale atmospheric circulation patterns specified by several widely-used benchmark recipes. This is motivated by the rapid rate of exoplanet discovery and the ever-growing need for numerical modelling and characterisation of their atmospheres. Here we present LFRic-Atmosphere's results for the idealised tests imitating circulation regimes commonly used in the exoplanet modelling community. The benchmarks include three analytic forcing cases: the standard Held-Suarez test, the Menou-Rauscher Earth-like test, and the Merlis-Schneider Tidally Locked Earth test. Qualitatively, LFRic-Atmosphere agrees well with other numerical models and shows excellent conservation properties in terms of total mass, angular momentum and kinetic energy. We then use LFRic-Atmosphere with a more realistic representation of physical processes (radiation, subgrid-scale mixing, convection, clouds) by configuring it for the four TRAPPIST-1 Habitable Atmosphere Intercomparison (THAI) scenarios. This is the first application of LFRic-Atmosphere to a possible climate of a confirme

Author

Sergeev, Denis E.; Mayne, Nathan J.; Bendall, Thomas; Boutle, Ian A.; Brown, Alex; Kavcic, Iva; Kent, James; Kohary, Krisztian; Manners, James; Melvin, Thomas; Olivier, Enrico; Ragta, Lokesh K.; Shipway, Ben J.; Wakelin, Jon; Wood, Nigel; Zerroukat, Mohamed

Published

2023

Language

EN