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  1. ASHEE

    14 Aug 2015 | Contributor(s): Matteo Cerminara, Tomaso Esposti Ongaro

    A fluid-dynamic model is developed to numerically simulate the non-equilibrium dynamics of polydisperse gas-particle mixtures forming volcanic plumes. Starting from the three-dimensional N-phase Eulerian transport equations for a mixture of gases and solid particles, we adopt an asymptotic...

  2. Tephra 2014-2020 Document Repository

    01 Jul 2015 | Contributor(s): Marcus I Bursik, Solene Pouget, Stephen C Kuehn, Kristi L Wallace, Andrei V Kurbatov

    Beginning with the consensus document (with three appendices) resulting from the Tephra 2014 Workshop, this is the document repository for the Tephra 2014, 2017 and 2019 Workshops on standardization.The immediate goal of the tephra standardization effort is to translate checklists...

  3. Spread sheet to calculate tephra volume for exponential thinning

    10 Apr 2015 | Contributor(s): Manuel Nathenson, Judy Fierstein

    An Excel spread sheet and instructions are provided to calculate tephra volume for exponential thinning on a log(thickness) versus square root of area plot. The spread sheet calculates volumes for a single straight line and for two straight lines. The equations for the calculations are from...

  4. AGU Poster: Results of the Tephra 2014 Workshop on Maximizing the Potential of Tephra for Multidisciplinary Science

    11 Dec 2014 | Contributor(s): Stephen C Kuehn, Solene Pouget, Kristi L Wallace, Marcus I Bursik

    Poster presentation from the 2014 AGU Fall Meeting reporting on results and conclusions of the Tephra 2014 workshop

  5. Tephra 2014 Field Trip Guide

    08 Dec 2014 | Contributor(s): Stephen C Kuehn

    Guidebook for the field trip to Mount Saint Helens conducted 4-August-2014 as part of the Tephra 2014 workshop.

  6. Files for BBN demonstration excercise

    17 Apr 2014 | Contributor(s): Thea Hincks

  7. 2nd IUGG-WMO Workshop on Ash Dispersal Forecast and Civil Aviation, Consensual Document

    18 Feb 2014 | Contributor(s): Costanza Bonadonna, Peter W Webley, Matthew Craig Hort, Arnau Folch, Sue C Loughlin, Herbert Puempel

    An international expert community of volcano observatories, academic scientists, volcanic ash advisory centres and representatives of aviation regulators, engine manufacturers and airlines met in Geneva on 18-20 November 2013 to discuss progress on ash dispersal forecasting and produce a roadmap...

  8. TOTGS: Total grainsize distribution of tephra fallout

    20 Jan 2014 | Contributor(s): Seb Biass, Costanza Bonadonna

    NOTE The code is now maintained on GitHub: https://github.com/e5k/TOTGS Follow updates on: https://e5k.github.io/  Quantifying the total grainsize distribution (TGSD) is a necessary step to achieve a thorough characterization of a given tephra deposit. Several methods exist to...

  9. Tephra 2014 - Maximizing the potential of tephra for multidisciplinary science

    09 Jan 2014 | Contributor(s): Steven Kuehn, Solene Pouget, Marcus I Bursik

    Tephra deposits are used by diverse communities: volcanologists, petrologists, tephrochronologists, paleoclimatologists, paleoecologists and archaeologists. To perhaps be too reductionist, volcanologists are generally interested in tephra to understand eruption behavior, frequency, and hazards;...

  10. Eruption data for ash-cloud model validation

    04 Apr 2013 | Contributor(s): Larry Garver Mastin, Costanza Bonadonna, Arnau Folch, peter webley, barbara stunder, Michael Pavolonis

    This is a collection of data, references, and links to data on well-documented eruptions whose observations can be used to validate ash-cloud transport models. Data include, among other things, plume height, duration, erupted volume, satellite observations, numerical wind fields, and grain-size...

  11. puffin

    08 Sep 2010 | *Tools | Contributor(s): Marcus I Bursik, Alejandro Uriel Carbonara, Sean Michael Zawicki, Abani Patra, Renette Jones-Ivey

    puffin = a tool to run the volcanic ash dispersal model -- puff -- based on the plume trajectory model -- bent.

  12. Volcanic clouds observed by the A-Train satellite constellation

    12 Mar 2012 | *Data Sets/Collections | Contributor(s): Simon Carn

    A collection of images showing volcanic eruption clouds detected by NASA's A-Train satellite constellation, which includes the Aqua, CALIPSO, CloudSat and Aura satellites. These examples demonstrate the unique ability of the A-Train to provide coincident, multi-spectral, active and passive remote...

  13. Hazards of volcanic ash

    29 Nov 2011 | Presentations | Contributor(s): William I Rose

    Claire Horwell

  14. Tephra in Quaternary Science 2011 Edinburgh Workshop Report: The Eyjafjallajökull eruptions of 2010

    18 Aug 2011 | Publications | Contributor(s): Andrew Julian Dugmore, Anthony Newton, Kate Taylor Smith

    Report and Community Statement from the workshop on the Eyjafjallajokull eruptions of 2010 and implications for tephrochronology, volcanology and Quaternary studies, Institute of Geography, University of Edinburgh, 5th‐6th May 2011. The first meeting of Tephra in Quaternary Science (TIQS), the...

  15. Eyjafjallajökull, volcanic clouds and aviation - one year on

    05 Aug 2011 | Workshops | Contributor(s): Simon Carn

    A workshop at the 2011 IUGG General Assembly in Melbourne, Australia, lead by Andrew Tupper (Australian Bureau of Meteorology), Fred Prata (Norwegian Institute for Air Research), and Arnau Folch (Barcelona Supercomputing Center).The Eyjafjallajokull eruption, resulting in ground and air...

  16. Eyjafjallajökull, volcanic clouds and aviation - one year on

    05 Aug 2011 | Workshops | Contributor(s): Simon Carn

    A workshop at the 2011 IUGG General Assembly in Melbourne, Australia, lead by Andrew Tupper (Australian Bureau of Meteorology), Fred Prata (Norwegian Institute for Air Research), and Arnau Folch (Barcelona Supercomputing Center).The Eyjafjallajokull eruption, resulting in ground and air...

  17. Volcano Monitoring Workshops II : IUGG 2011

    16 Jul 2011 | Workshops | Contributor(s): Eliza S Calder

    Organized by Jeffrey Johnson & Eliza CalderWorkshop Title: Ground-Based and Remote Sensing of Volcanic UnrestThe workshop involved seven talks focused on fundamental tools used for monitoring and scientific investigation of active volcanic systems. Lectures emphasized emerging technologies,...

  18. Multi-parameter monitoring overview: Eliza Calder (Lecture 1)

    30 Jun 2011 | Presentations

    This is the Introduction and first lecture in a series of 7 lectures given as part of the workshop "Ground-based and remote sensing of volcanic unrest" (IUGG 2011) Organized by Jeffrey Johnson & Eliza CalderThe workshop involved seven talks focused on fundamental tools used for monitoring...

  19. Observing volcanic clouds

    29 Jun 2011 | Presentations | Contributor(s): William I Rose

    This presentation is part of the workshop "Volcanic Hazards and Remote Sensing in Pacific Latin America" held in Costa Rica in January 2011.Speaker: William I. Rose

  20. Tephra2: Student Version

    21 Feb 2011 | *Tools | Contributor(s): Leah Michelle Courtland, Chuck B Connor, Laura Connor, Costanza Bonadonna

    The Tephra2 ash dispersion model run via a GUI designed for student use.