EGU 2013 Session - Volcanic ash dispersal, deposition and tephra deposits
From: "Karen Fontijn" <Karen.Fontijn@xxxxxxxxxxxxxx>
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Dear all,
We would like to draw your attention to session GMPV33/AS3.18/NH2.8 focussed on tephra studies, to be held at the EGU 2013
General Assembly in Vienna, Austria, 7 - 12 April 2013. More session
details can be found below. We encourage contributions from the whole
range of tephra studies, from ash formation to dispersal and deposition,
from field observations to experimental studies and modelling. The abstract deadline is 9th January 2013.
Session details:
GMPV33/AS3.18/NH2.4
Volcanic
ash dispersal, deposition and tephra deposits: constraints from field,
ground-based and satellite observations and models
Recent
years have seen significant advances in our capacity to track volcanic
ash clouds remotely (from space, or from the ground), and in the
modelling of volcanic ash plumes. These technical advances have
significant potential to assist the reconstruction of past eruptions, to
improve real-time operational forecasting during volcanic eruptions,
and to develop further the modelling of hazards associated with tephra
dispersal and fallout. But many challenges remain: do we know enough
about the optical properties of 'ash' for satellite detection and
measurement of volcanic ash plumes? Are the physical properties of ash
(e.g., density) characterised in sufficient detail for tephra dispersal
modelling, and how can models help us to reconstruct the key parameters
that characterise ancient tephra fall deposits? What are typical
uncertainties related with the different approaches and techniques? And
what are the 'gaps' between the approaches: the coarse tephra that
cannot be 'seen' by satellite, or the fine ash that is absent from the
geological record? This session invites contributions across the full
spectrum of this topic, with the aim of stimulating further discussion
and future work.
Convener: David Pyle
Co-Conveners: Simona Scollo , Karen Fontijn , Antonio Costa
We hope to see you in Vienna and look forward to exciting presentations and discussions!
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