Relevant bibliographies by topics / Pyroclastic fountains

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Academic literature on the topic 'Pyroclastic fountains'

Author: Grafiati
Published: 7 July 2024
Last updated: 31 July 2025

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Journal articles on the topic "Pyroclastic fountains"

1

Calvari, Sonia, and Giuseppe Nunnari. "Comparison between Automated and Manual Detection of Lava Fountains from Fixed Monitoring Thermal Cameras at Etna Volcano, Italy." Remote Sensing 14, no. 10 (2022): 2392. http://dx.doi.org/10.3390/rs14102392.

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The Etna volcano is renowned worldwide for its extraordinary lava fountains that rise several kilometers above the vent and feed eruptive columns, then drift hundreds of kilometers away from the source. The Italian Istituto Nazionale di Geofisica e Vulcanologia-Osservatorio Etneo (INGV-OE) is responsible for the monitoring of Mt. Etna, and for this reason, has deployed a network of visible and thermal cameras around the volcano. From these cameras, INGV-OE keeps a keen eye, and is able to observe the eruptive activity, promptly advising the civil protection and aviation authorities of any chan
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Lepore, S., and C. Scarpati. "New developments in the analysis of column-collapse pyroclastic density currents through numerical simulations of multiphase flows." Solid Earth 3, no. 1 (2012): 161–73. http://dx.doi.org/10.5194/se-3-161-2012.

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Abstract. A granular multiphase model has been used to evaluate the action of differently sized particles on the dynamics of fountains and associated pyroclastic density currents. The model takes into account the overall disequilibrium conditions between a gas phase and several solid phases, each characterized by its own physical properties. The dynamics of the granular flows (fountains and pyroclastic density currents) has been simulated by adopting a Reynolds-averaged Navier-Stokes model for describing the turbulence effects. Numerical simulations have been carried out by using different val
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Lepore, S., and C. Scarpati. "New developments in the analysis of volcanic pyroclastic density currents through numerical simulations of multiphase flows." Solid Earth Discussions 4, no. 1 (2012): 173–202. http://dx.doi.org/10.5194/sed-4-173-2012.

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Abstract. A granular multiphase model has been used to evaluate the action of differently sized particles on the dynamics of fountains and associated pyroclastic density currents. The model takes into account the overall disequilibrium conditions between a gas phase and several solid phases, each characterized by its own physical properties. The dynamics of the granular flows has been simulated by adopting a Reynolds Average Navier-Stokes model for describing the turbulence effects. Numerical simulations have been carried out by using different values for the eruptive column temperature at the
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4

Becerra-Ramírez, Rafael, Rafael U. Gosálvez, Estela Escobar, Elena González, Mario Serrano-Patón, and Darío Guevara. "Characterization and Geotourist Resources of the Campo de Calatrava Volcanic Region (Ciudad Real, Castilla-La Mancha, Spain) to Develop a UNESCO Global Geopark Project." Geosciences 10, no. 11 (2020): 441. http://dx.doi.org/10.3390/geosciences10110441.

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The Campo de Calatrava Volcanic Region is located in Central Spain (Ciudad Real province, Castilla-La Mancha) where some eruptions of different intensity and spatial location took place throughout a period of more than 8 million years. As a result, more than 360 volcanic edifices spread over 5000 km2. Eruptions of this volcanic system were derived from alkaline magmas with events of low explosivity (Hawaiian and Strombolian). These events are characterized by three different manifestations: the emission of pyroclasts (cinder and spatter cones) and lava flows; some hydromagmatic events, which l
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Ganci, Gaetana, Giuseppe Bilotta, Francesco Zuccarello, Sonia Calvari, and Annalisa Cappello. "A Multi-Sensor Satellite Approach to Characterize the Volcanic Deposits Emitted during Etna’s Lava Fountaining: The 2020–2022 Study Case." Remote Sensing 15, no. 4 (2023): 916. http://dx.doi.org/10.3390/rs15040916.

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Between December 2020 and February 2022, the South East Crater of Etna has been the source of numerous eruptions, mostly characterized by the emission of lava fountains, pyroclastic material and short-lasting lava flows. Here we estimate the volume and distribution of the lava deposits by elaborating multi-source satellite imagery. SEVIRI data have been elaborated using CL-HOTSAT to estimate the lava volume emitted during each event and calculate the cumulative volume; Pléiades and WorldView-1 data have been used to derive Digital Surface Models, whose differences provide thickness distributio
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Iguchi, Masato, Haruhisa Nakamichi, and Takeshi Tameguri. "Integrated Study on Forecasting Volcanic Hazards of Sakurajima Volcano, Japan." Journal of Disaster Research 15, no. 2 (2020): 174–86. http://dx.doi.org/10.20965/jdr.2020.p0174.

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Several types of eruptions have occurred at Sakurajima volcano in the past 100 years. The eruption in 1914 was of a Plinian type followed by an effusion of lava. The progression of seismicity of volcanic earthquakes prior to the eruption is reexamined and seismic energy is estimated to be an order of 1014 J. Lava also effused from the Showa crater in 1946. Since 1955, eruptions frequently have occurred at the Minamidake or Showa craters at the summit area. Vulcanian eruptions are a well-known type of summit eruption of Sakurajima, however Strombolian type eruptions and continuous ash emissions
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7

Brown, R. J., S. Blake, T. Thordarson, and S. Self. "Pyroclastic edifices record vigorous lava fountains during the emplacement of a flood basalt flow field, Roza Member, Columbia River Basalt Province, USA." Geological Society of America Bulletin 126, no. 7-8 (2014): 875–91. http://dx.doi.org/10.1130/b30857.1.

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8

COLE, PAUL D., and CLAUDIO SCARPATI. "The 1944 eruption of Vesuvius, Italy: combining contemporary accounts and field studies for a new volcanological reconstruction." Geological Magazine 147, no. 3 (2009): 391–415. http://dx.doi.org/10.1017/s0016756809990495.

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AbstractWe integrate the different contemporary sources together with new field data on the pyroclastic deposits to make a new volcanological reconstruction of the explosive phases of the 1944 Vesuvius eruption. We adopt the four successive phases of the eruption first defined by Imbò (1945), who made the most detailed contemporary description of the eruption: Phase 1 – effusive, Phase 2 – lava fountains, Phase 3 – mixed explosions and Phase 4 – seismic-explosive. Phase 1 consisted of four days of effusive activity. Phase 2 generated eight successive lava fountains which formed agglutinated sp
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9

Marchese, Francesco, Carolina Filizzola, Teodosio Lacava, et al. "Mt. Etna Paroxysms of February–April 2021 Monitored and Quantified through a Multi-Platform Satellite Observing System." Remote Sensing 13, no. 16 (2021): 3074. http://dx.doi.org/10.3390/rs13163074.

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On 16 February 2021, an eruptive paroxysm took place at Mt. Etna (Sicily, Italy), after continuous Strombolian activity recorded at summit craters, which intensified in December 2020. This was the first of 17 short, but violent, eruptive events occurring during February–April 2021, mostly at a time interval of about 2–3 days between each other. The paroxysms produced lava fountains (up to 1000 m high), huge tephra columns (up to 10–11 km above sea level), lava and pyroclastic flows, expanding 2–4 km towards East and South. The last event, which was characterised by about 3 days of almost conti
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Calvari, Sonia, Alessandro Bonaccorso, and Gaetana Ganci. "Anatomy of a Paroxysmal Lava Fountain at Etna Volcano: The Case of the 12 March 2021, Episode." Remote Sensing 13, no. 15 (2021): 3052. http://dx.doi.org/10.3390/rs13153052.

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On 13 December 2020, Etna volcano entered a new eruptive phase, giving rise to a number of paroxysmal episodes involving increased Strombolian activity from the summit craters, lava fountains feeding several-km high eruptive columns and ash plumes, as well as lava flows. As of 2 August 2021, 57 such episodes have occurred in 2021, all of them from the New Southeast Crater (NSEC). Each paroxysmal episode lasted a few hours and was sometimes preceded (but more often followed) by lava flow output from the crater rim lasting a few hours. In this paper, we use remote sensing data from the ground an
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Dissertations / Theses on the topic "Pyroclastic fountains"

1

Penlou, Baptiste. "Étude expérimentale des écoulements gaz-particules en contexte de fontaine pyroclastique." Electronic Thesis or Diss., Université Clermont Auvergne (2021-...), 2023. http://www.theses.fr/2023UCFA0159.

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Les colonnes pyroclastiques se forment lors d'éruptions volcaniques explosives au cours desquelles un mélange de gaz et de particules est éjecté à grande vitesse depuis un évent et peut conduire à la formation de panaches convectifs. La stabilité de ces colonnes dépend de divers paramètres qui peuvent varier au cours du temps et causer l'effondrement partiel ou total du mélange pyroclastique. Ces effondrements donnent naissance à des fontaines éruptives à l'origine de courants de densité pyroclastiques (CDPs). L'objectif de cette thèse est double : étudier (1) les mécanismes de sédimentation d
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2

Griffin, Anna Marie. "Products and Processes of Cone-Building Eruptions at North Crater, Tongariro." The University of Waikato, 2007. http://hdl.handle.net/10289/2235.

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North Crater occupies the north-western quadrant of the Tongariro Volcanic Centre and represents one of at least eleven vents which have been active on Tongariro since the last glacial maximum. The most recent cone-forming activity at North Crater is thought to have occurred between 14-12 ka ago to produce the distinct, wide, flattopped andesite cone. This project focused mainly on the cone-building eruptions at North Crater, including stratigraphic correlations with distal tephra, interpreting eruptive processes, and establishing the sequence of events during cone construction. Detailed field
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