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Article Dans Une Revue Natural Hazards and Earth System Sciences Année : 2020

A volcanic-hazard demonstration exercise to assess and mitigate the impacts of volcanic ash clouds on civil and military aviation

Marcus Hirtl
  • Fonction : Auteur
Delia Arnold
  • Fonction : Auteur
Rocio Baro
  • Fonction : Auteur
Hugues Brenot
Mauro Coltelli
Kurt Eschbacher
  • Fonction : Auteur
Helmut Hard-Stremayer
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Florian Lipok
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Christian Maurer
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Dieter Meinhard
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Lucia Mona
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Marie Mulder
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Nikolaos Papagiannopoulos
Michael Pernsteiner
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Lennart Robertson
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Carl-Herbert Rokitansky
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Barbara Scherllin-Pirscher
Klaus Sievers
Mikhail Sofiev
Wim Som de Cerff
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Martin Steinheimer
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Martin Stuefer
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Nicolas Theys
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Andreas Uppstu
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Saskia Wagenaar
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Roland Winkler
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Gerhard Wotawa
Fritz Zobl
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Raimund Zopp
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Résumé

Abstract. Volcanic eruptions comprise an important airborne hazard for aviation. Although significant events are rare, e.g. compared to the threat of thunderstorms, they have a very high impact. The current state of tools and abilities to mitigate aviation hazards associated with an assumed volcanic cloud was tested within an international demonstration exercise. Experts in the field assembled at the Schwarzenberg barracks in Salzburg, Austria, in order to simulate the sequence of procedures for the volcanic case scenario of an artificial eruption of the Etna volcano in Italy. The scope of the exercise ranged from the detection (based on artificial observations) of the assumed event to the issuance of early warnings. Volcanic-emission-concentration charts were generated applying modern ensemble techniques. The exercise products provided an important basis for decision-making for aviation traffic management during a volcanic-eruption crisis. By integrating the available wealth of data, observations and modelling results directly into widely used flight-planning software, it was demonstrated that route optimization measures could be implemented effectively. With timely and rather precise warnings available, the new tools and processes tested during the exercise demonstrated vividly that a vast majority of flights could be conducted despite a volcanic plume being widely dispersed within a high-traffic airspace over Europe. The resulting number of flight cancellations was minimal.
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hal-03484545 , version 1 (20-12-2021)

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Marcus Hirtl, Delia Arnold, Rocio Baro, Hugues Brenot, Mauro Coltelli, et al.. A volcanic-hazard demonstration exercise to assess and mitigate the impacts of volcanic ash clouds on civil and military aviation. Natural Hazards and Earth System Sciences, 2020, 20 (6), pp.1719-1739. ⟨10.5194/nhess-20-1719-2020⟩. ⟨hal-03484545⟩
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