Search Results - "Jellinek, A M"

Connections between the bulk composition, geodynamics and habitability of Earth by Jellinek, A. M., Jackson, M. G.

“…Earth's composition differs from its meteoritic precursors. An evaluation of the evidence suggests that some material could have been lost to space during…”
Get full text

Tracking Eruption Column Thermal Evolution and Source Unsteadiness in Ground‐Based Thermal Imagery Using Spectral‐Clustering by Rowell, C. R., Jellinek, A. M., Gilchrist, J. T.

“…Volcanic eruption columns typically have unsteady source conditions, where mass and heat fluxes from the vent evolve or fluctuate on time scales from seconds…”
Get full text

Mapping permeability over the surface of the Earth by Gleeson, Tom, Smith, Leslie, Moosdorf, Nils, Hartmann, Jens, Dürr, Hans H., Manning, Andrew H., van Beek, Ludovicus P. H., Jellinek, A. M.

“…Permeability, the ease of fluid flow through porous rocks and soils, is a fundamental but often poorly quantified component in the analysis of regional‐scale…”
Get full text

Ice, Fire, or Fizzle: The Climate Footprint of Earth's Supercontinental Cycles by A. M. Jellinek, A. Lenardic, R. T. Pierrehumbert

“…Abstract Supercontinent assembly and breakup can influence the rate and global extent to which insulated and relatively warm subcontinental mantle is mixed…”
Get full text

On the Distribution and Variation of Radioactive Heat Producing Elements Within Meteorites, the Earth, and Planets by O’Neill, C., O’Neill, H. S. C., Jellinek, A. M.

“…The heat production budget of a planet exerts a first order control on its thermal evolution, tectonics, and likelihood for habitability. However, our…”
Get full text

Linking enclave formation to magma rheology by Hodge, K. F., Jellinek, A. M.

“…Magmatic enclaves record the history of deformation and disaggregation (i.e., fragmentation) of relatively hot, compositionally more mafic magmas injected into…”
Get full text

Melt propagation and volcanism in mantle convection simulations, with applications for Martian volcanic and atmospheric evolution by O'Neill, C., Lenardic, A., Jellinek, A. M., Kiefer, W. S.

“…Standard models for a warm, wet early Mars require a significant CO2‐H2O atmosphere in the past. The source for these phases is assumed to be volcanic…”
Get full text

Quantitative field constraints on the dynamics of silicic magma chamber rejuvenation and overturn by Bain, A. A., Jellinek, A. M., Wiebe, R. A.

“…The catastrophic eruption of large-volume, crystal-rich silicic magmas is often proposed to be a consequence of reheating, melting and overturn of partially…”
Get full text

Constraints on the elastic thickness, heat flow, and melt production at early Tharsis from topography and magnetic field observations by Jellinek, A. M., Johnson, C. L., Schubert, G.

“…The southern half of the Tharsis region of Mars displays enigmatic variations in the crustal magnetic field that are correlated with topography and the…”
Get full text

Continental insulation, mantle cooling, and the surface area of oceans and continents by Lenardic, A., Moresi, L.-N., Jellinek, A.M., Manga, M.

“…It is generally assumed that continents, acting as thermal insulation above the convecting mantle, inhibit the Earth's internal heat loss. We present theory,…”
Get full text

Particle sedimentation and diffusive convection in volcanic ash-clouds by Carazzo, G., Jellinek, A. M.

“…Understanding the longevity of volcanic ash‐clouds generated by powerful explosive eruptions is a long standing problem for assessing volcanic hazards and the…”
Get full text

The Influence of Magma Mixing on the Composition of Andesite Magmas and Silicic Eruption Style by Hodge, K. F., Jellinek, A. M.

“…Although inhibited on established fluid mechanical grounds, extensive magma mixing can play a critical role in creating andesite magmas at volcanic arcs and…”
Get full text

Turbulent Entrainment Into Volcanic Plumes: New Constraints From Laboratory Experiments on Buoyant Jets Rising in a Stratified Crossflow by Aubry, T. J., Carazzo, G., Jellinek, A. M.

“…Predictions for the heights and downwind trajectories of volcanic plumes using integral models are critical for the assessment of risks and climate impacts of…”
Get full text

Principal component analysis vs. self-organizing maps combined with hierarchical clustering for pattern recognition in volcano seismic spectra by Unglert, K., Radić, V., Jellinek, A.M.

“…Variations in the spectral content of volcano seismicity related to changes in volcanic activity are commonly identified manually in spectrograms. However,…”
Get full text

Recycling the lid: Effects of subduction and stirring on boundary layer dynamics in bottom-heated planetary mantle convection by Thayalan, V., Jellinek, A. M., Lenardic, A.

“…The subduction and stirring of cold oceanic lithosphere governs the thermal regime of the Earth's mantle. Whether upwelling mantle plumes are transient…”
Get full text

Experimental constraints on the distinct effects of ash, lapilli, and larger pyroclasts on entrainment and mixing in volcanic plumes by Lherm, V., Jellinek, A. M.

“…The rate at which atmosphere is entrained and mixed into relatively dense explosive volcanic jets of gas and pyroclasts (ash, lapilli) determines whether they…”
Get full text

Random Forest Predictions of Fine Ash Concentration and Charging Processes From Experimentally Generated Volcanic Discharges by Rayborn, L., Jellinek, A. M.

“…Explosive volcanic plume rise is governed by the rate at which ambient air is ingested and heated by turbulent entrainment and mixing processes. A daunting…”
Get full text

Impacts of Climate Change on Volcanic Stratospheric Injections: Comparison of 1‐D and 3‐D Plume Model Projections by Aubry, T. J., Cerminara, M., Jellinek, A. M.

“…Explosive volcanic eruptions are one of the most important driver of climate variability. Yet, we still lack a fundamental understanding of how climate change…”
Get full text

Effects of particle mixtures and nozzle geometry on entrainment into volcanic jets by Jessop, D. E., Jellinek, A. M.

“…Efficient turbulent entrainment causes otherwise dense volcanic jets to rise high into the atmosphere as buoyant plumes. Classical models suggest that the…”
Get full text

Are eruptions from linear fissures and caldera ring dykes more likely to produce pyroclastic flows? by Jessop, D.E., Gilchrist, J., Jellinek, A.M., Roche, O.

“…•Experiments and theory are combined to test the stability of turbulent volcanic jets.•Vent geometry and inertial particles strongly affect entrainment in…”
Get full text