Dear Collegues,
as the deadline to submit support applications for EGU General Assembly
2011 in Vienna, Austria, is tomorrow, Friday 3 Dec 2010, we would like
to invite you once again to submit to
Session NH2.4/GMPV43: Linking magmatic volatiles to volcanic gas emissions.
Abstract:
Volcanic gases are released from ascending melts during magma transport
and eruption. The precise compositions and fluxes of emitted gases are
functions of the original melt composition and volcano plumbing system
geometry. The melt chemistry determines the total volatile inventory,
phase relationships and magma viscosity. The pathways through which
magma passes, and depths of any significant reservoirs, exert a
controlling influence on magma ascent rates and pressures of
equilibration. The composition of a gas in equilibrium with a silicate
melt is strongly pressure dependent. With sufficient information, one
can, in principle, read the emitted gas signatures and interpret the
motion of magma within the volcano. Such understanding would be of huge
benefit to volcano observatories attempting to monitor and mitigate
volcanic hazards.
Predicting emitted volcanic gas fluxes and compositions requires the
synthesis of magma phase behaviour, gas chemistry, the dynamics of
circulation of magma within the volcanic system. Accurate measurement
and monitoring of volcanic gases within the atmosphere is required to
test such models. We anticipate that this session will be of broad
interest to researchers in these areas, and solicit contributions from
any fields that aid the coupling of volcanic gas measurements with
deterministic models of the chemical and transport processes of magma
and associated gases.
Guest Speaker: Hiroshi Shinohara
Please see http://meetings.copernicus.org/egu2011/home.html for details
of the meeting.
Support application abstract submission deadline: 03 December 2010.
Abstract submission deadline: 10 January 2011.
We hope to see many of you in Vienna.
Best wishes!
Fred Witham, Jeremy Phillips, Antonella Longo, Chiara Montagna, Séverine
Moune
--
Chiara P. Montagna, Ph.D.
Istituto Nazionale di Geofisica e Vulcanologia - Sezione di Pisa
Via della Faggiola 32, 56126 Pisa
phone +39 050 83 119 47
fax +39 050 83 119 42
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