Explosive submarine eruptions: The role of condensable gas jets in underwater eruptions

RC Cahalan, J Dufek - Journal of Geophysical Research: Solid …, 2021 - Wiley Online Library
In explosive submarine eruptions, volcanic jets transport fragmented tephra and exsolved
gases from the conduit into the water column. Upon eruption the volcanic jet mixes with …

Ground-based remote sensing and uncertainty analysis of the mass eruption rate associated with the 3–5 December 2015 paroxysms of Mt. Etna

L Mereu, S Scollo, C Bonadonna… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
During explosive eruptions, the real-time estimation of the mass eruption rate (MER) is
challenging although crucial to mitigate the impact of erupted tephra. Microwave radar …

FPLUME-1.0: An integral volcanic plume model accounting for ash aggregation

A Folch, A Costa, G Macedonio - Geoscientific Model …, 2016 - gmd.copernicus.org
Eruption source parameters (ESP) characterizing volcanic eruption plumes are crucial
inputs for atmospheric tephra dispersal models, used for hazard assessment and risk …

Characterising entrainment in fountains and negatively buoyant jets

L Milton-McGurk, N Williamson, SW Armfield… - Journal of Fluid …, 2022 - cambridge.org
Turbulent fountain flow consists of two distinct stages, the initial 'negatively buoyant jet'(NBJ)
stage, and the fully developed 'fountain'stage. The present study investigates both stages of …

A new view of the dynamics, stability and longevity of volcanic clouds

G Carazzo, AM Jellinek - Earth and Planetary Science Letters, 2012 - Elsevier
Powerful explosive volcanic eruptions inject ash high into the atmosphere, which spreads to
form umbrella clouds. Identifying key physical processes governing the dynamics, stability …

A three‐dimensional numerical simulation of spreading umbrella clouds

YJ Suzuki, T Koyaguchi - Journal of Geophysical Research …, 2009 - Wiley Online Library
During explosive volcanic eruptions, an eruption column buoyantly rises as a turbulent
plume, and an umbrella cloud spreads laterally as a gravity current at the neutral buoyancy …

Dynamics of the major plinian eruption of Samalas in 1257 AD (Lombok, Indonesia)

CM Vidal, JC Komorowski, N Métrich, I Pratomo… - Bulletin of …, 2015 - Springer
The 1257 AD caldera-forming eruption of Samalas (Lombok, Indonesia) was recently
associated with the largest sulphate spike of the last 2 ky recorded in polar ice cores. It is …

[HTML][HTML] External surface water influence on explosive eruption dynamics, with implications for stratospheric sulfur delivery and volcano-climate feedback

CR Rowell, AM Jellinek, S Hajimirza… - Frontiers in Earth …, 2022 - frontiersin.org
Explosive volcanic eruptions can inject sulfur dioxide (SO2) into the stratosphere to form
aerosol particles that modify Earth's radiation balance and drive surface cooling. Eruptions …

The impact of the atmosphere on the Eyjafjallajökull 2010 eruption plume

GN Petersen, H Bjornsson… - Journal of Geophysical …, 2012 - Wiley Online Library
The eruption of Eyjafjallajökull volcano in 2010 lasted 39 days, 14 April–23 May. The
eruption had two explosive phases separated by a phase with lava formation and reduced …

The effect of total grain-size distribution on the dynamics of turbulent volcanic plumes

F Girault, G Carazzo, S Tait, F Ferrucci… - Earth and Planetary …, 2014 - Elsevier
The impact of explosive volcanic plumes on climate and on air traffic strongly depends on
the concentration and grain-size distribution (GSD) of pyroclastic fragments injected into the …