Search Results - "Bonadonna, Costanza"
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1
On the drag of freely falling non-spherical particles
Published in Powder technology (01-11-2016)“…We present a new general model for the prediction of the drag coefficient of non-spherical solid particles of regular and irregular shapes falling in gas or…”
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2
Plume height, volume, and classification of explosive volcanic eruptions based on the Weibull function
Published in Bulletin of volcanology (01-08-2013)“…The Weibull distribution between volume and square root of isopach area has been recently introduced for determining volume of tephra deposits, which is…”
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3
The fate of volcanic ash: premature or delayed sedimentation?
Published in Nature communications (26-02-2021)“…A large amount of volcanic ash produced during explosive volcanic eruptions has been found to sediment as aggregates of various types that typically reduce the…”
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4
A new strategy for the estimation of plume height from clast dispersal in various atmospheric and eruptive conditions
Published in Earth and planetary science letters (01-01-2019)“…Plume height is an important parameter routinely used to characterize and classify explosive eruptions. Though the strategies to estimate key eruption source…”
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5
Physical characterization of explosive volcanic eruptions based on tephra deposits: Propagation of uncertainties and sensitivity analysis
Published in Journal of volcanology and geothermal research (15-04-2015)“…Regardless of the recent advances in geophysical monitoring and real-time quantitative observations of explosive volcanic eruptions, the characterization of…”
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6
Tephra Mass Eruption Rate From Ground-Based X-Band and L-Band Microwave Radars During the November 23, 2013, Etna Paroxysm
Published in IEEE transactions on geoscience and remote sensing (01-05-2020)“…The morning of November 23, 2013, a lava fountain formed from the New South-East Crater (NSEC) of Mt. Etna (Italy), one of the most active volcanoes in Europe…”
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7
Timing and nature of volcanic particle clusters based on field and numerical investigations
Published in Journal of volcanology and geothermal research (15-11-2016)“…Aggregation processes are known to play an important role in volcanic particle dispersal and sedimentation. They are also a primary source of uncertainty in…”
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8
A data driven approach to mineral chemistry unveils magmatic processes associated with long-lasting, low-intensity volcanic activity
Published in Scientific reports (24-01-2023)“…The most frequent volcanic eruptions are of low-intensity and small magnitude. They produce abundant ash-sized (< 2 mm) clasts, which are too small to…”
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9
Insights into the sticking probability of volcanic ash particles from laboratory experiments
Published in Scientific reports (01-12-2023)“…Although the characterization of the sticking and aggregation probability is essential to the description of volcanic ash dispersal and sedimentation, there is…”
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10
Lattice Boltzmann modeling to explain volcano acoustic source
Published in Scientific reports (22-06-2018)“…Acoustic pressure is largely used to monitor explosive activity at volcanoes and has become one of the most promising technique to monitor volcanoes also at…”
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11
Characterising, quantifying, and accessing eruption source parameters of explosive volcanic eruptions for operational simulation of tephra dispersion: a current view and future perspectives
Published in Bulletin of volcanology (29-06-2024)“…Eruption source parameters (ESPs) are crucial for characterising volcanic eruptions and are essential inputs to numerical models used for hazard assessment…”
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12
Sedimentation of long-lasting wind-affected volcanic plumes: the example of the 2011 rhyolitic Cordón Caulle eruption, Chile
Published in Bulletin of volcanology (01-02-2015)“…Sedimentation processes and fragmentation mechanisms during explosive volcanic eruptions can be constrained based on detailed analysis of grain-size variations…”
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13
Automatic Early Warning to Derive Eruption Source Parameters of Paroxysmal Activity at Mt. Etna (Italy)
Published in Remote sensing (Basel, Switzerland) (01-07-2023)“…Tephra dispersal and fallout resulting from explosive activity of Mt. Etna (Italy) represent a significant threat to the surrounding inhabited areas as well as…”
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14
Complex dynamics of small-moderate volcanic events: the example of the 2011 rhyolitic Cordón Caulle eruption, Chile
Published in Bulletin of volcanology (2015)“…After decades of repose, Puyehue-Cordón Caulle Volcano (Chile) erupted in June 2011 following a month of continuously increasing seismic activity. The eruption…”
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15
New Insights Into the Relationship Between Mass Eruption Rate and Volcanic Column Height Based On the IVESPA Data Set
Published in Geophysical research letters (28-07-2023)“…Rapid and simple estimation of the mass eruption rate (MER) from column height is essential for real‐time volcanic hazard management and reconstruction of past…”
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16
Mass flux decay timescales of volcanic particles due to aeolian processes in the Argentinian Patagonia steppe
Published in Scientific reports (02-09-2020)“…We investigate the timescales of the horizontal mass flux decay of wind remobilised volcanic particles in Argentina, associated with the tephra-fallout deposit…”
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17
Multisensor Characterization of the Incandescent Jet Region of Lava Fountain-Fed Tephra Plumes
Published in Remote sensing (Basel, Switzerland) (01-11-2020)“…Explosive basaltic eruptions eject a great amount of pyroclastic material into the atmosphere, forming columns rising to several kilometers above the eruptive…”
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PlumeTraP: A New MATLAB-Based Algorithm to Detect and Parametrize Volcanic Plumes from Visible-Wavelength Images
Published in Remote sensing (Basel, Switzerland) (01-04-2022)“…Tephra plumes from explosive volcanic eruptions can be hazardous for the lives and livelihoods of people living in the proximity of volcanoes. Monitoring and…”
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Probabilistic evaluation of the physical impact of future tephra fallout events for the Island of Vulcano, Italy
Published in Bulletin of volcanology (01-05-2016)“…A first probabilistic scenario-based hazard assessment for tephra fallout is presented for La Fossa volcano (Vulcano Island, Italy) and subsequently used to…”
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Examples of Multi-Sensor Determination of Eruptive Source Parameters of Explosive Events at Mount Etna
Published in Remote sensing (Basel, Switzerland) (01-06-2021)“…Multi-sensor strategies are key to the real-time determination of eruptive source parameters (ESPs) of explosive eruptions necessary to forecast accurately…”
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