English
Related papers

Related papers: Latitudinal Variation of Clouds' Structure Respons…

200 papers

Tidally locked terrestrial planets around low-mass stars are the prime targets of finding potentially habitable exoplanets. Several atmospheric general circulation models have been employed to simulate their possible climates, however,…

Earth and Planetary Astrophysics · Physics 2020-08-12 Mengyu Wei , Yixiao Zhang , Jun Yang

Rocky planets hosted by close-in extrasolar systems are likely to be tidally locked in 1:1 spin-orbit resonance, a configuration where they exhibit permanent dayside and nightside. Because of the resulting day-night temperature gradient,…

Earth and Planetary Astrophysics · Physics 2022-07-20 Pierre Auclair-Desrotour , Russell Deitrick , Kevin Heng

Jupiter's tropospheric composition and cloud structure are studied using Cassini VIMS 4.5-5.1 {\mu}m thermal emission spectra from the 2000-2001 flyby. We make use of both nadir and limb darkening observations on the planet's nightside, and…

Earth and Planetary Astrophysics · Physics 2017-10-11 Rohini S. Giles , Leigh N. Fletcher , Patrick G. J. Irwin

Knowledge of the three-dimensional structure of Galactic molecular clouds is important for understanding how clouds are affected by processes such as turbulence and magnetic fields and how this structure effects star formation within them.…

Clouds on Titan result from the condensation of methane and ethane and, as on other planets, are primarily structured by circulation of the atmosphere. At present, cloud activity mainly occurs in the southern (summer) hemisphere, arising…

Clouds have a strong impact on the climate of planetary atmospheres. The potential scattering greenhouse effect of CO2 ice clouds in the atmospheres of terrestrial extrasolar planets is of particular interest because it might influence the…

Earth and Planetary Astrophysics · Physics 2017-06-16 Daniel Kitzmann

We present the results of a series of calculations studying the collapse of molecular cloud cores performed using a three-dimensional smoothed particle hydr odynamics code with radiative transfer in the flux-limited diffusion approximation.…

Astrophysics · Physics 2009-11-13 Stuart C. Whitehouse , Matthew R. Bate

We numerically study thermodynamic and structural properties of the one-component Gaussian core model (GCM) at very high densities. The solid-fluid phase boundary is carefully determined. We find that the density dependence of both the…

Soft Condensed Matter · Physics 2015-05-27 Atsushi Ikeda , Kunimasa Miyazaki

We present synthetic dust polarisation maps of 3D magneto-hydrodynamical simulations of molecular clouds before the onset of stellar feedback. The clouds are modelled within the SILCC-Zoom project and are embedded in their galactic…

Astrophysics of Galaxies · Physics 2018-10-31 D. Seifried , S. Walch , S. Reissl , J. C. Ibáñez-Mejía

Global Circulation Models (GCMs) of atmospheric flows are now routinely used to interpret observational data on Hot Jupiters. Localized "equatorial $\beta$-plane" simulations by Fromang et al. (2016) have revealed that a barotropic…

Earth and Planetary Astrophysics · Physics 2020-03-04 Kristen Menou

We use a 3D general circulation model to compare the primitive Martian hydrological cycle in "warm and wet" and "cold and icy" scenarios. In the warm and wet scenario, an anomalously high solar flux or intense greenhouse warming…

Earth and Planetary Astrophysics · Physics 2015-08-06 Robin D. Wordsworth , Laura Kerber , Raymond T. Pierrehumbert , Francois Forget , James W. Head

We employ the MarsWRF general circulation model (GCM) to test the predictions of a new physical hypothesis: a weak coupling of the orbital and rotational angular momenta of extended bodies is predicted to give rise to cycles of…

Earth and Planetary Astrophysics · Physics 2017-05-24 Michael A. Mischna , James H. Shirley

Observed chemical species in the Venusian mesosphere show local-time variabilities. SO2 at the cloud top exhibits two local maxima over local time, H2O at the cloud top is uniformly distributed, and CO in the upper atmosphere shows a…

Earth and Planetary Astrophysics · Physics 2021-12-15 Wencheng D. Shao , Xi Zhang , João Mendonça , Thérèse Encrenaz

We report a model study on the effects of clouds on emission spectra of super-Venus planets. Our goal is to assess possible ways to identify characteristic spectral features due to clouds. We show that it is possible to distinguish an…

Earth and Planetary Astrophysics · Physics 2022-02-09 Paulina Wolkenberg , Diego Turrini

We study the structure and reveal the physical nature of the reversed granulation pattern in the solar photosphere by means of 3-dimensional radiative hydrodynamics simulations. We used the MURaM code to obtain a realistic model of the…

Astrophysics · Physics 2009-11-11 M. C. C. Cheung , M. Schuessler , F. Moreno-Insertis

Saturn's axial tilt produces seasons in a similar way as on Earth. Both the stratospheric temperature and composition are affected by this latitudinally varying insolation along the seasons. The thermal structure is controlled and regulated…

Earth and Planetary Astrophysics · Physics 2016-02-17 V. Hue , T. K. Greathouse , T. Cavalié , M. Dobrijevic , F. Hersant

Understanding of clouds is instrumental in interpreting current and future spectroscopic observations of exoplanets. Modelling clouds consistently is complex, since it involves many facets of chemistry, nucleation theory, condensation…

Earth and Planetary Astrophysics · Physics 2019-02-13 Chris W. Ormel , Michiel Min

The Venusian atmosphere is covered by clouds with super-rotating winds whose accelerating mechanism is still not well understood. The fastest winds, occurring at the cloud tops ($\sim$70 km height), have been studied for decades thanks to…

Earth and Planetary Astrophysics · Physics 2019-03-08 J. Peralta , N. Iwagami , Sánchez-Lavega , Y. J. Lee , R. Hueso , M. Narita , T. Imamura , P. Miles , A. Wesley , E. Kardasis , S. Takagi

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 general circulation models (GCMs) are one of the most…

The analysis of WMAP and Planck CMB data has shown the presence of temperature asymmetries towards the halos of several galaxies, which is probably due to the rotation of clouds present in these halos about the rotational axis of the…

Astrophysics of Galaxies · Physics 2021-09-27 Noraiz Tahir , Asghar Qadir , Muhammad Sakhi , Francesco De Paolis