Results 41 to 50 of about 9,703,189 (200)

Contribution of fine ash to the atmosphere from plumes associated with pyroclastic density currents [PDF]

, 2016
A co-pyroclastic density current (co-PDC) plume forms as a mixture of fine-grained (
S. Engwell, Eychenne, Julia, J. Eychenne, Engwell, S., Engwell, Samantha, Eychenne, J.   +5 more
core   +1 more source

Long-runout pyroclastic density currents: Analysis and implications

Geology, 2022
Abstract Pyroclastic density currents are hazardous, ground-hugging, hot mixtures of gas and solid particles produced by volcanoes. Currents generated by the largest explosive eruptions have traveled distances on the order of 100 km, and their devastating impact has repeatedly marked Earth's geologic history.
Roche, Olivier, Henry, Christopher, Azzaoui, Nourddine, Guillin, Arnaud   +3 more
openaire   +1 more source

Dynamics of Two Caldera-Forming Eruptions (Banda Besar and Naira) in the Marine Conservation Zone of Banda, Maluku, Indonesia

Geosciences, 2022
This is the first study discussing the dynamics of two caldera-forming eruptions in the Banda volcanic complex (BVC) in the marine conservation zone of Banda, Maluku, Indonesia.
Indranova Suhendro, Bachtiar W. Mutaqin, Dyan Primana Sobaruddin, Lestari Agustiningtyas, Hanik Humaida, Muh Aris Marfai, Danang Sri Hadmoko   +6 more
doaj   +1 more source

Topographic controls on pyroclastic density current hazard, Aluto volcano (Ethiopia): TITAN2D simulations and zGP and data processing scripts

, 2023
<p>This collection of data and Matlab (MATLAB, 2022) scripts were used to compute all the results and figures shown in the submitted version of the manuscript: "Topographic controls on pyroclastic density current hazard at Aluto volcano (Ethiopia ...
Tierz, Pablo
core   +1 more source

Scenario-Based Pyroclastic Density Current Invasion Maps at Poorly Known Volcanoes: A Case Study from Changbaishan (China/North Korea)

Applied Sciences, 2020
Changbaishan volcano (China/North Korea; last eruption in 1903 AD) was responsible for a Volcanic Explosivity Index (VEI) 7 eruption in 946 AD. Approximately 186,000 people live around Changbaishan and 2,000,000 tourists/year visit the volcano. An unrest
Anna Maria Lombardi, Pierdomenico Del Gaudio, Zhengfu Guo, Maoliang Zhang, Guoming Liu, Vincenzo Sepe, Jiaqi Liu, Guido Ventura   +7 more
doaj   +1 more source

Dataset and Software: Heat Transfer in Pyroclastic Density Current - Ice Interactions: Insights from Experimental and Numerical Simulations

, 2023
This repository contains experiment data and executable MATLAB codes for the research article 'Heat Transfer in Pyroclastic Density Current - Ice Interactions: Insights from Experimental and Numerical Simulations'.
Seward, Anya, Vale, Amelia B., Jenkins, Luke T., Phillips, Jeremy C., Hogg, Andrew J., Rust, Alison, Kilgour, Geoff   +6 more
core   +1 more source

Assessment of motion-induced fluidization of dense pyroclastic gravity currents

Annals of Geophysics, 2005
The paper addresses some fundamental aspects of the dynamics of dense granular flows down inclines relevant to pyroclastic density currents. A simple mechanistic framework is presented to analyze the dynamics of the frontal zone, with a focus ...
P. Salatino
doaj   +1 more source

Distribution and Eruptive Volume of Aso-4 Pyroclastic Density Current and Tephra Fall Deposits, Japan: A M8 Super-Eruption

Frontiers in Earth Science, 2020
Estimations of the distribution and eruptive volume of large-scale pyroclastic density current (PDCs) and tephra fall deposits are essential for evaluation of the affected area, long-term volcanic hazards assessments, volcanic activity, and geophysical ...
Shinji Takarada, Hideo Hoshizumi
doaj   +1 more source

Large-scale volcanic deposit fluidization by dilute pyroclastic density currents

, 2023
co-auteur étrangerInternational audienceThere is increasing evidence that fine-grained deposits of pyroclastic density currents can be remobilized on a large scale, resulting in concentrated flows.
Kelfoun, Karim, Proaño, Antonio
core   +1 more source

Energy facies. A global view of pyroclastic currents from vent to deposit

, 2022
Pyroclastic currents are described as gravity currents, and the classic conceptual model gives a first-order importance to the density of such currents.
Giordano, Guido, Palladino, Danilo Mauro, Guido Giordano, Palladino, DM, Giordano, G, Doronzo, DM, Doronzo, Domenico M, Domenico M. Doronzo, Danilo M. Palladino   +8 more
core   +1 more source