Chairs: Kirsten N Chojnicki, Pacific Northwest National Laboratory, Richland, United States and Kimberly D Genareau, University of Alabama, Department of Geological Sciences, Tuscaloosa, AL, United States
Primary Convener: Shannon E Kobs-Nawotniak, Idaho State University, Pocatello, ID, United States
Co-conveners: Kimberly D Genareau, University of Alabama, Department of Geological Sciences, Tuscaloosa, AL, United States, Kirsten N Chojnicki, Pacific Northwest National Laboratory, Richland, United States and Sonja A Behnke, Los Alamos National Laboratory, Los Alamos, NM, United States
OSPA Liaison: Kimberly D Genareau, University of Alabama, Department of Geological Sciences, Tuscaloosa, AL, United States
Volcanic Lightning: Update on New Global Observations and Constraints on Source Mechanisms (12721)
Stephen R McNutt, Univ South Florida, Tampa, FL, United States, Edward Venzke, National Museum of Natural History, Smithsonian Institution, Mineral Sciences, Washington, United States and Earle R Williams, Massachusetts Institute of Technology, Cambridge, MA, United States
Identification of Regime Transitions in Umbrella Cloud Growth for Short- and Long-Lived Eruptions (26334)
Solene Pouget1, Marcus I Bursik2, Christopher G Johnson3, Andrew J Hogg3, R Stephen J Sparks4 and Jeremy Phillips3, (1)SUNY Buffalo, Department of Geology, Buffalo, NY, United States, (2)University at Buffalo, Department of Earth Sciences, Buffalo, NY, United States, (3)University of Bristol, Bristol, United Kingdom, (4)University of Bristol, Bristol, BS8, United Kingdom
Insights into Coignimbrite Plume Dynamics from Numerical Models (21408)
Mattia De' Michieli Vitturi, National Institute of Geophysics and Volcanology, Sezione di Pisa, Rome, Italy, Samantha L Engwell, Istituto Nazionale di Geofisica e Vulcanolgia, Sezione di Pisa, Pisa, Italy, Sara Barsotti, Icelandic Meteorological Office, Reykjavik, Iceland, Julia Eychenne, Laboratoire Magmas et Volcans, Aubière, France, Tomaso Esposti Ongaro, Istituto Nazionale di Geofisica e Vulcanologia, Sezione di Pisa, Palermo, Italy and Augusto Neri, Istituto Nazionale di Geofisica e Vulcanologia, Pisa, Italy
A High-resolution Simulation of the Transport of Gazeous Pollutants from a Severe Effusive Volcanic Eruption (2761)
Jonathan Durand1,2, Pierre Tulet2,3, Jean-Baptiste Filippi4 and Maud Leriche5, (1)Organization Not Listed, Washington, DC, United States, (2)LACy - University of Reunion Island, Physics, Saint Denis, Reunion, (3)CNRS / Université de La Réunion / Météo-France, Laboratoire de l'Atmosphere et des Cyclones (LACy), Saint-Denis, Reunion, (4)University of Corsica Pascal Paoli, SPE, Corte, France, (5)University Paul Sabatier Toulouse III, LA, Toulouse Cedex 09, France
Magma Boiling Underneath Volcanoes: A Key to Massive S Release during Eruption (11641)
Yanqing Su, Georgia Institute of Technology, Atlanta, GA, United States, Christian Huber, Georgia Institute of Technology, Atlanta, United States, Olivier Bachmann, ETH Zurich, Institute of Geochemistry and Petrology, Zurich, Switzerland and Zoltan Zajacz, University of Toronto, Department of Earth Sciences, Toronto, ON, Canada
Triple oxygen and sulfur isotope analyses of sulfate extracted from voluminous volcanic ashes in the Oligocene John Day Formation: insight into dry climate conditions and ozone contribution to supereruptions (29461)
Joe Workman1, Ilya Bindeman2, Erwan Martin3, Greg Retallack2, James Palandri4 and Nicholas Weldon5, (1)Univ of Oregon, Eugene, OR, United States, (2)University of Oregon, Department of Earth Sciences, Eugene, OR, United States, (3)Sorbonne Université - ISTeP, Paris, France, (4)University of Oregon, Eugene, OR, United States, (5)University of California Davis, Department of Earth & Planetary Sciences, Davis, CA, United States