Formation of ash Eruption Columns GSD Particle Fall Ash Blankets Meteorology and fall Direct Sampling
Remote Sensing Models of Ashfall Case Studies Textbooks and References
Eruption Columns
2009
Magma may move toward the surface and erupt through vertical cylindrical conduits directed upward. The thermal and kinetic energetics leads to remarkable phenomena.
Chaiten May 2008
Eruption columns
Exsolution, 2 and 3 phase systems, fragmentation
Gas thrust, convective thrust, buoyancy
Neutral buoyancy, ash emplacement height,
clast support envelop
Tools
Plumeria model
Eruption Columns
G. Poullet Scrope, Masson, 1864
Sarychev Eruption, Kuriles
12 June 2009
Lecture 3 Download Quiktime Movie File
Reading: Wilson L, RSJ Sparks TC Huang and ND Watkins, 1978, Control of Volcanic Column heights by eruption energetics and dynamics, J Geophys Res 83: 1829-1836.
Sparks RSJ et al., 1997, Volcanic Plumes Ch 5, pp 117-140. (Wiley & Sons, Chichester).
Modeling Conduit eruptions
