Search Results - "Cadek, Ondrej"

A numerical model of convective heat transfer in Titan’s subsurface ocean by Kvorka, Jakub, Čadek, Ondřej

“…It has been suggested that the long-wavelength topography of Titan is related to lateral variations in the heat flux from the ocean. Recent studies of the heat…”
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The role of subsurface ocean dynamics and phase transitions in forming the topography of icy moons by Kvorka, Jakub, Čadek, Ondřej

“…The thermo-mechanical evolution of icy moons cannot be understood without taking into account the complex interaction between the solid ice crust and the…”
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The density structure of Titan’s outer ice shell by Čadek, Ondřej, Kalousová, Klára, Kvorka, Jakub, Sotin, Christophe

“…We use the recent models of Titan’s shape and gravity to estimate the large-scale density structure of its outer ice shell. We assume that the bottom boundary…”
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Cooling patterns in rotating thin spherical shells — Application to Titan's subsurface ocean by Amit, Hagay, Choblet, Gaël, Tobie, Gabriel, Terra-Nova, Filipe, Čadek, Ondřej, Bouffard, Mathieu

“…We use rotating convection simulations in a thin spherical shell to study fluid dynamics in subsurface oceans of icy moons. We find two types of persistent…”
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Long-term stability of Enceladus’ uneven ice shell by Čadek, Ondřej, Souček, Ondřej, Běhounková, Marie, Choblet, Gaël, Tobie, Gabriel, Hron, Jaroslav

“…•Ice shell thickness on Enceladus ranges from 5 km to more than 30 km.•Ice thickness variations are maintained by phase changes at ice/water interface.•Gravity…”
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The influence of heterogeneous seafloor heat flux on the cooling patterns of Ganymede’s and Titan’s subsurface oceans by Terra-Nova, Filipe, Amit, Hagay, Choblet, Gaël, Tobie, Gabriel, Bouffard, Mathieu, Čadek, Ondřej

“…Several icy moons of Jupiter and Saturn are known to possess deep water oceans. Heating in the rocky mantle underneath often produces heterogeneous heat flux…”
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Does Titan’s long-wavelength topography contain information about subsurface ocean dynamics? by Kvorka, Jakub, Čadek, Ondřej, Tobie, Gabriel, Choblet, Gaël

“…•We present the theoretical background for modeling ice-water interaction on Titan.•Topography constraints imply a shell with coarse ice grains or above a cold…”
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Topographic response to ocean heat flux anomaly on the icy moons of Jupiter and Saturn by Kihoulou, Martin, Čadek, Ondřej, Kvorka, Jakub, Kalousová, Klára, Choblet, Gaël, Tobie, Gabriel

“…Recent studies of ocean dynamics suggest that the long-wavelength topography of some icy moons may reflect the phase transitions (melting/freezing) at the…”
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Tidally-induced melting events as the origin of south-pole activity on Enceladus by Běhounková, Marie, Tobie, Gabriel, Choblet, Gaël, Čadek, Ondřej

“…► We model heat production and transfer in Enceladus’ ice shell in a full spherical geometry. ► Internal oceans with varying horizontal extension are…”
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Effect of the tiger stripes on the deformation of Saturn's moon Enceladus by Souček, Ondřej, Hron, Jaroslav, Běhounková, Marie, Čadek, Ondřej

“…Enceladus is a small icy moon of Saturn with active jets of water emanating from fractures around the south pole, informally called tiger stripes, which might…”
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Impact of the Core Deformation on the Tidal Heating and Flow in Enceladus' Subsurface Ocean by Aygün, Burak, Čadek, Ondřej

“…We present a novel approach to modeling the tidal response of icy moons with subsurface oceans. The problem is solved in the time domain and the flow in the…”
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Structure and dynamics of Titan’s outer icy shell constrained from Cassini data by Lefevre, Axel, Tobie, Gabriel, Choblet, Gaël, Čadek, Ondřej

“…•Interior model of Titan is developed that satisfies gravity and topography.•Deflections of internal interfaces are quantified and their stability…”
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Viscoelastic relaxation of Enceladus’s ice shell by Čadek, Ondřej, Běhounková, Marie, Tobie, Gabriel, Choblet, Gaël

“…•We propose a dynamic explanation of non-hydrostatic topography on Enceladus.•Evolution of the topography is governed by viscoelastic deformation.•The…”
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Shape of scoria cones on Mars: Insights from numerical modeling of ballistic pathways by Brož, Petr, Čadek, Ondřej, Hauber, Ernst, Rossi, Angelo Pio

“…•We numerically model growth of Martian scoria cones by tracking ejected particles.•Erupted volume of material is insufficient to build cones at the angle of…”
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Scoria cones on Mars: Detailed investigation of morphometry based on high-resolution digital elevation models by Brož, Petr, Čadek, Ondřej, Hauber, Ernst, Rossi, Angelo Pio

“…We analyze the shapes of 28 hypothesized scoria cones in three regions on Mars, i.e., Ulysses and Hydraotes Colles and Coprates Chasma. Using available…”
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Dynamical consequences in the lower mantle with the post-perovskite phase change and strongly depth-dependent thermodynamic and transport properties by Tosi, Nicola, Yuen, David A., Čadek, Ondřej

“…We have carried out numerical simulations of large aspect-ratio 2-D mantle convection with the deep phase change from perovskite (pv) to post-perovskite (ppv)…”
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Subducted slabs and lateral viscosity variations: effects on the long-wavelength geoid by Tosi, Nicola, Čadek, Ondřej, Martinec, Zdeněk

“…The characteristic broad local maxima exhibited by the long-wavelength geoid over subduction zones are investigated with a numerical model of mantle flow. In a…”
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Tidally Induced Thermal Runaways on Extrasolar Earths: Impact on Habitability by Běhounková, Marie, Tobie, Gabriel, Choblet, Gaël, Čadek, Ondřej

“…We study the susceptibility of extrasolar Earth-like planets to tidal dissipation by varying orbital, rheological, and heat transfer parameters. We employ a…”
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Reduced oceanic seismic anisotropy by small-scale convection by van Hunen, Jeroen, Čadek, Ondřej

“…Amplitudes of azimuthal seismic anisotropy below the Pacific plate are observed to decrease with lithospheric age, whereas an increase is expected due to…”
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Water transport in planetary ice shells by two-phase flow - a parametric study by Soucek, Ondrej, Kalousova, Klara, Cadek, Ondrej

“…We present a two-phase model for the generation of meltwater and its propagation through the outer shells of icy satellites such as Europa, Enceladus or Titan…”
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