Nevado del Ruiz - Tephra2 simulation output - Plume Height 36000 masl
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27 May 2013 | Data Sets/Collections | Contributor(s): Colombian Working Group
1992 Spurr Eruption Case Discussion
27 Apr 2011 | Presentations | Contributor(s): William I Rose
This lecture summarizes distal ash cloud observations via satellite and radar, along with information about meteorology and fallout, for the 1992 Crater Peak/Spurr eruptions. These small...
Detecting volcanic ash from space
08 Feb 2011 | Presentations | Contributor(s): William I Rose
How satellites detect, map and measure volcanic ash in volcanic clouds. HYSPLIT and volcanic cloud satellite observations. Volcanic cloud stages. Infrared satellite detectors, split window. ...
Ashfall deposit geometry--blanket. Grain size/distance patterns. Total grain size distributions.
Rose, W I, S Self, P J Murrow, G G J Ernst C Bonadonna and A J Durant, 2007, Pyroclastic fall...
Numerical fallout models: An introduction based on Suzuki (1983)
Suzuki, T., 1983. A theoretical model for dispersion of tephra, in: D. Shimozuru and I. Yokoyama (eds) Arc Volcanism: Physics and Tectonics, Terra Scientific Publishing, Tokyo, 95-116.
Particle fall through the atmosphere
Particle fall in atmosphere. Particle Reynolds Numbers, turbulent and laminar flow. Shapes of volcanic ash particles. Fine particle fallout. Aggregation.
Rose W I, C M Riley and S Dartevelle,...
Phreatic and phreatomagmatic fragmentation
Origin of volcanic ash: Mechanisms for formation
Mechanisms for the formation of volcanic ash are reviewed and discussed, including explosive vesiculation, phreatomagmatic explosions and milling/comminution.
PASI: Volcanic Hazards and Remote Sensing in Pacific Latin America
11 Jan 2011 | Workshops | Contributor(s): William I Rose, Jose Luis Palma
The Open Vent Volcanoes PASI in Costa Rica gathered 60 scientists from 13 countries to build scientific networking in the transdisciplinary field of...
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