Dear Colleagues,
If you are interested in volatiles and degassing we encourage you to submit an abstract to our session at the 2017 IAVCEI Scientific Assembly in Portland, OR, USA (14-18 August 2017).
The deadline for abstract submission is 17 March 2017 and can be submitted at http://iavcei2017.org/abstr
IV.3 The role of volatiles and degassing in magmatic and eruptive processes
http://iavcei2017.org/ses_IV3.
Volatile components play a major role in magmatic processes and eruptive phenomena. Their abundance, composition, speciation, and physical state (dissolved or exsolved) continuously evolve from storage (e.g., magma recharge, mixing, crystallization, de- or re-pressurization) to ascent and eruption (e.g., magma degassing, outgassing and regassing). Their concentrations in erupted glasses can even be modified following eruption (e.g., rehydration). Volatiles profoundly affect the physical properties of magmas, including density, viscosity, and reactivity (e.g. diffusion and phase transformation kinetics), which in turn influence magma ascent rates, the potential for fragmentation, and eruption style and intensities. Studies of gas emissions and volatiles preserved in volcanic products therefore help constrain and predict the evolution of both magmatic and eruption processes. However, interpreting gas and volatile measurements at active volcanoes to accurately link pre-eruptive processes to eruption style and its temporal evolution remains a formidable challenge.
This session invites contributions that address any aspect of the behavior and role of volatiles before, during, and after a volcanic eruption. Field-based, monitoring, geophysical, petrological, geochemical, experimental, theoretical or numerical approaches are all welcomed. Multi-disciplinary studies at active volcanoes that illustrate the relationships between expected/measured gas emissions and the temporal evolution of the eruption style, which are essential for advancing our ability to forecast different types of volcanic activity and eruption intensities, are particularly encouraged.
Confirmed Invited Speakers:
Madeleine Humphreys (Durham University)
Yves Moussallam (University of Cambridge)
We look forward to receiving your contributions and seeing you in Portland.
The Conveners:
Patrick Allard, CNRS-IGPG
Mary Benage, USGS Cascades Volcano Observatory
Jason Coumans, Durham University
Thomas Giachetti, University of Oregon
Stephanie Grocke, University of Iceland
Taryn Lopez, University of Alaska Fairbanks
Thomas Shea, University of Hawai`i
Felix W. von Aulock, University of Liverpool
Volcano Listserv is a collaborative venture among Arizona State University (ASU), Portland State University (PSU), the Global Volcanism Program (GVP) of the Smithsonian Institution's National Museum of Natural History, and the International Association for Volcanology and Chemistry of the Earth's Interior (IAVCEI).
ASU - http://www.asu.edu/ PSU - http://pdx.edu/ GVP - http://www.volcano.si.edu/ IAVCEI - http://www.iavcei.org/
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