University of Birmingham > Talks@bham > Astrophysics Seminars > Exoplanetary Atmospheres in 3D: implications from radiation-chemistry(cloud)-hydrodynamics simulations

Exoplanetary Atmospheres in 3D: implications from radiation-chemistry(cloud)-hydrodynamics simulations

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If you have a question about this talk, please contact Nicola Giacobbo.

In this presentation I will detail some of our efforts to apply 3D climate models to the study of exoplanets. Firstly, I will give a brief overview of the observations and the key questions they pose, before detailing the approach we have adopted at the Exeter Exoplanet Theory Group. Our studies are based on the UK Met Office 3D model, termed the Unified Model, and I will briefly describe the development environment before presenting some of the physical applications. Starting with gas giant planets, and particularly hot Jupiters, I will show how the atmospheric flows act to move the large scale structure, chemical state and observations away from that predicted through equilibrium and/or 1D considerations. Time permitting, I will very briefly show results from state-of-the-art 3D simulations of gas giants including clouds, before finishing with applications to terrestrial exoplanets, exploring the importance of convection, and how it is treated, in setting the overall climate of tidally-locked planets.

This talk is part of the Astrophysics Seminars series.

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