132 citations · 513 across the 12 of their papers we have counts for
12 papers · 1 filter
Biosignatures from pre-oxygen photosynthesising life on TRAPPIST-1e
Jake K. Eager-Nash, Stuart J. Daines, James W. McDermott +13
In order to assess observational evidence for potential atmospheric biosignatures on exoplanets, it will be essential to test whether spectral fingerprints from multiple gases can…
The impact of the explicit representation of convection on the climate of a tidally locked planet in global stretched-mesh simulations
Denis E. Sergeev, Ian A. Boutle, F. Hugo Lambert +5
Convective processes are crucial in shaping exoplanetary atmospheres but are computationally expensive to simulate directly. A novel technique of simulating moist convection on tid…
3D climate simulations of the Archean find that methane has a strong cooling effect at high concentrations
Jake K. Eager-Nash, Nathan J. Mayne, Arwen E. Nicholson +11
Methane is thought to have been an important greenhouse gas during the Archean, although its potential warming has been found to be limited at high concentrations due to its high s…
3D modelling of the impact of stellar activity on tidally locked terrestrial exoplanets: atmospheric composition and habitability
Robert J. Ridgway, Maria Zamyatina, Nathan J. Mayne +7
Stellar flares present challenges to the potential habitability of terrestrial planets orbiting M dwarf stars through inducing changes in the atmospheric composition and irradiatin…
Bistability of the atmospheric circulation on TRAPPIST-1e
Denis E. Sergeev, Neil T. Lewis, F. Hugo Lambert +4
Using a 3D general circulation model, we demonstrate that a confirmed rocky exoplanet and a primary observational target, TRAPPIST-1e presents an interesting case of climate bistab…
The TRAPPIST-1 Habitable Atmosphere Intercomparison (THAI). Part II: Moist Cases -- The Two Waterworlds
Denis E. Sergeev, Thomas J. Fauchez, Martin Turbet +11
To identify promising exoplanets for atmospheric characterization and to make the best use of observational data, a thorough understanding of their atmospheres is needed. 3D genera…
The TRAPPIST-1 Habitable Atmosphere Intercomparison (THAI). Part I: Dry Cases -- The fellowship of the GCMs
Martin Turbet, Thomas J. Fauchez, Denis E. Sergeev +12
With the commissioning of powerful, new-generation telescopes such as the James Webb Space Telescope (JWST) and the ground-based Extremely Large Telescopes, the first characterizat…
Mineral dust increases the habitability of terrestrial planets but confounds biomarker detection
Ian A. Boutle, Manoj Joshi, F. Hugo Lambert +5
Identification of habitable planets beyond our solar system is a key goal of current and future space missions. Yet habitability depends not only on the stellar irradiance, but equ…
Implications of different stellar spectra for the climate of tidally-locked Earth-like exoplanets
Jake K. Eager, David J. Reichelt, Nathan J. Mayne +7
The majority of potentially habitable exoplanets detected orbit stars cooler than the Sun, and therefore are irradiated by a stellar spectrum peaking at longer wavelengths than tha…
Atmospheric convection plays a key role in the climate of tidally-locked terrestrial exoplanets: insights from high-resolution simulations
Denis E. Sergeev, F. Hugo Lambert, Nathan J. Mayne +3
Using a 3D general circulation model (GCM), we investigate the sensitivity of the climate of tidally-locked Earth-like exoplanets, Trappist-1e and Proxima Centauri b, to the choice…
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…
Exploring the climate of Proxima B with the Met Office Unified Model
Ian A. Boutle, Nathan J. Mayne, Benjamin Drummond +5
We present results of simulations of the climate of the newly discovered planet Proxima Centauri B, performed using the Met Office Unified Model (UM). We examine the responses of b…