Results 81 to 90 of about 85,438 (161)

An experimental study of permeability development as a function of crystal-free melt viscosity [PDF]

open access: yes, 2016
Permeability development in magmas controls gas escape and, as a consequence, modulates eruptive activity. To date, there are few experimental controls on bubble growth and permeability development, particularly in low viscosity melts.
Cashman, K. V.   +4 more
core   +2 more sources

3_D modeling using TLS and GPR techniques to characterize above and below-ground wood distribution in pyroclastic deposits along the Blanco River (Chilean Patagonia) [PDF]

open access: yes, 2016
To date, the study of in-stream wood in rivers has been focused mainly on quantifying wood pieces deposited above the ground. However, in some particular river systems, the presence of buried dead wood can also represent an important component of wood ...
Alvarado, D   +6 more
core  

MERRE TOVÁBB, VULKANOLÓGIA? A 21. SZÁZAD KIHÍVÁSAI [PDF]

open access: yes, 2013
A vulkanológia, azaz a vulkáni működés sokrétű kutatása az egyik legrégebbi (hiszen már Anaxagorász és Arisztotelész is behatóan foglalkozott vele mintegy 2500 évvel ezelőtt), és az egyik legújabb (hiszen az elmúlt néhány évtizedben hatalmas ...
Harangi, Szabolcs
core  

Análisis del paisaje para la evaluación ecológica rápida de alternativas de relocalización de una ciudad devastada Landscape analysis for rapid ecological assessment of relocation alternatives for a devastated city

open access: yesRevista Chilena de Historia Natural, 2011
Tras la erupción del volcán Chaitén (Chile) y la destrucción de la ciudad homónima, tres localidades resultaron ser alternativas oficiales para la relocalización de la ciudad.
FRANCISCO DE LA BARRERA   +2 more
doaj  

Bacterial Community with Plant Growth-Promoting Potential Associated to Pioneer Plants from an Active Mexican Volcanic Complex. [PDF]

open access: yesMicroorganisms, 2022
Rincón-Molina CI   +8 more
europepmc   +1 more source

Utilización del modelo WRF/ARW- Fall 3D para el pronóstico de dispersión de cenizas durante la erupción 2011 del Cordón Caulle. [PDF]

open access: yes, 2013
(Resumen extraído del Acceso al Texto completo proporcionado por REDIB) En el marco de la “Red Iberoamericana para el monitoreo y modelización de cenizas y aerosoles volcánicos y su impacto en infraestructura y calidad del Aire” ( Proyecto CENIZA CYTED ...
Viramonte, Jose German
core  

Permeability of compacting porous lavas [PDF]

open access: yes, 2009
The highly transient nature of outgassing commonly observed at volcanoes is in part controlled by the permeability of lava domes and shallow conduits. Lava domes generally consist of a porous outer carapace surrounding a denser lava core with internal ...
Ashwell, P.A.   +8 more
core   +3 more sources

Ain expected impacts and adaptation activities proposed in front of the global change for the North- Central Chubut, Patagonia Argentina [PDF]

open access: yes, 2018
La provincia del Chubut (Patagonia Argentina) posee una riqueza florística importante debido a la presencia de muchos endemismos entre las especies nativas.
Calderón, Daniela Anabel   +2 more
core  

In-conduit capture of sub-micron volcanic ash particles via turbophoresis and sintering. [PDF]

open access: yesNat Commun, 2022
Farquharson JI   +5 more
europepmc   +1 more source

FUENTES Y DISTRIBUCIÓN DE DIFERENTES TIPOS DE OBSIDIANAS EN SITIOS ARQUEOLÓGICOS DEL CENTRO-SUR DE CHILE (38-44°S) SOURCES AND DISTRIBUTION OF DIFFERENT TYPES OF OBSIDIAN FROM ARCHAEOLOGICAL SITES IN CENTRAL-SOUTH CHILE (38-44°S)

open access: yesMagallania, 2009
Fueron analizadas, por medio de la técnica ICP-MS, 35 muestras de obsidianas provenientes de dos sitios arqueológicos costeros (Chan Chan-18 al norte de Valdivia y Puente Quilo en Chiloé) y de seis sitios continentales de cazadores-recolectores (Alero ...
CHARLES R STERN   +3 more
doaj  

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