Experimental Insights into Volcanic Particle-Ice Interaction

Explore experimental insights into volcanic particle-ice interactions in this comprehensive lecture from the University of Liverpool's Earth Sciences department. Delve into the complex dynamics of pyroclastic material deposition on ice and snow surfaces, examining how particle properties and layer thicknesses affect the optical and thermodynamic behavior of ice systems. Learn about the systematic experimental approach used to investigate various scenarios of volcanic material interacting with ice. Discover key findings and complexities associated with these systems, including surface particles, particle configurations, melt ponds, layers, and the Ostrum Curve. Gain understanding of dirty ice conditions, cryokonite holes, and the fundamental particle behavior in volcanic particle-ice interactions. The lecture covers the experimental setup, including the mirror system and control experiments, and guides you through interpreting results. Conclude with a discussion on particle fragmentation and its implications for understanding volcanic impacts on ice environments.

Intro
Outline
Why do we care
Surface particles
Particle configurations
Melt ponds
Layers
Ostrum Curve
Dirty Ice Conditions
Cryokonite Holes
Volcanic Particle Ice Interaction
Methods
Experimental setup
Mirror system
Control experiments
Interpreting results
Results
Fundamental particle behaviour
Particle fragmentation
Discussion
Conclusions