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- University of ExeterGB58 papers
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7 papers · 2 filters
The Limits of the Primitive Equations of Dynamics for Warm, Slowly Rotating Small Neptunes and Super Earths
N. J. Mayne, B. Drummond, F. Debras +5
We present significant differences in the simulated atmospheric flow for warm, tidally-locked small Neptunes and super Earths (based on a nominal GJ 1214b) when solving the simplif…
The 3D thermal, dynamical and chemical structure of the atmosphere of HD 189733b: implications of wind-driven chemistry for the emission phase curve
Benjamin Drummond, Nathan J. Mayne, James Manners +5
In this paper we present three-dimensional atmospheric simulations of the hot Jupiter HD~189733b under two different scenarios: local chemical equilibrium and including advection o…
Exonephology: Transmission spectra from a 3D simulated cloudy atmosphere of HD209458b
S. Lines, J. Manners, N. J. Mayne +8
We present high resolution transmission spectra, calculated directly from a 3D radiative-hydrodynamics simulation that includes kinetic cloud formation, for HD209458b. We find that…
Simulating the cloudy atmospheres of HD 209458 b and HD 189733 b with the 3D Met Office Unified Model
S. Lines, N. J. Mayne, Ian A. Boutle +9
To understand and compare the 3D atmospheric structure of HD 209458 b and HD 189733 b, focusing on the formation and distribution of cloud particles, as well as their feedback on t…
Observable signatures of wind--driven chemistry with a fully consistent three dimensional radiative hydrodynamics model of HD 209458b
Benjamin Drummond, N. J. Mayne, James Manners +8
We present a study of the effect of wind-driven advection on the chemical composition of hot Jupiter atmospheres using a fully-consistent 3D hydrodynamics, chemistry and radiative…
The influence of a sub-stellar continent on the climate of a tidally-locked exoplanet
Neil T. Lewis, F. Hugo Lambert, Ian A. Boutle +3
Previous studies have demonstrated that continental carbon-silicate weathering is important to the continued habitability of a terrestrial planet. Despite this, few studies have co…