Results 161 to 170 of about 16,412 (215)

Bananas in the aftermath of La Palma volcanic eruption (Canary Islands, Spain): A study on the nutritional and toxic element composition of post-disaster production. [PDF]

PLoS One
Rodríguez-Hernández Á, Ruiz-Suárez N, Henríquez-Hernández LA, Díaz-Díaz R, Zumbado M, Bernal Suárez MDM, Alonso-González P, Parga-Dans E, Luzardo OP.   +8 more
europepmc   +1 more source

Iron is an important influence of volcanic ash input on the evolution of deep-sea ecosystems. [PDF]

Microbiol Spectr
Bai S, Wang Z, Guo Y, Xu H, Li J, Peng X.   +5 more
europepmc   +1 more source

Eighteen million years of diverse enamel proteomes from the East African Rift. [PDF]

Nature
Green DR, Uno KT, Miller ER, Feibel CS, Aoron EE, Beck CC, Grossman A, Kirera FM, Kirinya MM, Leakey LN, Liutkus-Pierce C, Manthi FK, Ndiema EK, Nengo IO, Nyete C, Rowan J, Russo GA, Sanders WJ, Smiley TM, Princehouse P, Vitek NS, Cleland TP.   +21 more
europepmc   +1 more source

Open-closed conduit transitions regulate the large magnitude explosive eruptions of Petrazza, PaleoStromboli I (Stromboli, Italy). [PDF]

Sci Rep
Nicotra E, Minniti M, Ridolfi F, Sulpizio R, Tranne CA, Lucchi F.   +5 more
europepmc   +1 more source

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Mobility of pyroclastic flows

Nature, 1977
THE mobility of pyroclastic flows has been described as spectacular1, in particular because of their ability to surmount obstacles in their path. It is relatively easy to estimate the minimum velocities required to climb a given height, if frictional losses are ignored.
P. W. FRANCIS, M. C. W. BAKER
openaire   +1 more source

Pyroclastic flows modelling using cellular automata

Computers & Geosciences, 2006
Cellular automata (CA) and derived computational paradigms represent an alternative approach to differential equations to model and simulating complex fluid dynamical systems, whose evolution depends on the local interactions of their constituent parts.
AVOLIO M. V, CRISCI, Gino Mirocle, DI GREGORIO, Salvatore, RONGO, Rocco, SPATARO, William, D'AMBROSIO, Donato   +5 more
openaire   +2 more sources

Pyroclastic Flow Deposits

1984
Pyroclastic flows are volcanically produced hot, gaseous, particulate density currents. Their deposits offer unparalleled opportunities to estimate minimum volumes of near-surface magma chambers as well as vertical chemical, mineralogical, and thus temperature and pressure distributions within the magma columns immediately prior to eruption.
Richard V. Fisher, Hans-Ulrich Schmincke
openaire   +1 more source

Models for pyroclastic surges and pyroclastic flows

Journal of Volcanology and Geothermal Research, 1979
Pyroclastic surges are low-concentration turbulent flows that form in at least three ways: (1) eruption column collapse (ground surge, base surge), (2) elutriation from the top of a moving pyroclastic flow (ash cloud), and (3) directly from a crater without an accompanying vertical eruption column.∗ Ground surge deposits occur at the base and ash cloud
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On pyroclastic flow emplacement

Journal of Geophysical Research: Solid Earth, 1993
In this note I investigate some theoretical characteristics of pyroclastic flow deposits, assuming that these flows are Bingham fluids, probably the simplest non‐Newtonian fluids. Pyroclastic flows are modeled as laminar debris flows moving on an inclined plane, and their physics is discussed within the classical framework of lubrication theory.
openaire   +1 more source