********************************************************** From: Robin Matoza <rmatoza@xxxxxxxx> ********************************************************** Dear Colleagues, Please consider a contribution to the following session at the upcoming 2008 AGU Fall Meeting, in San Francisco. V26: Observations and Modeling of Volcanic Blasts and Jets Description: Explosive volcanic degassing consists of a combination of discrete blasts and more continuous jet flows, depending on the gas volume and overpressure. Well-developed turbulent jet flows can either transition with altitude into thermally buoyant plumes, or collapse to form pyroclastic flows. This type of volcanic activity is amenable to direct observation by visual, thermal, radar, infrasonic, and seismic instrumentation. Numerical and analogue models, as well as analyses of pyroclastic deposits, provide further insight into the fluid dynamics of these processes. This session integrates observations and numerical and analogue modeling of volcanic blasts and jets. We encourage contributions that show observations or models that can provide constraints on jet flow structure, mass fluxes, vent overpressures, jet dimensions and velocities, the influence of vent and crater geometry, temperature or composition of ejecta, and ballistic velocities. Index Terms: 8428 8414 8445 8419 8404. The abstract submission deadline is 10 September 2008, 2359 UT. Full submission guidelines can be found at: www.agu.org/meetings/fm08 Robin Matoza, David Fee, and Milton Garces ============================================================== To unsubscribe from the volcano list, send the message: signoff volcano to: listserv@xxxxxxx, or write to: volcano-request@xxxxxxxx To contribute to the volcano list, send your message to: volcano@xxxxxxxx Please do not send attachments. ==============================================================
