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  1. Natural Hazards Tephra Fallout Lab

    04 Mar 2011 | Educational Materials

    This lab walks students through using the tephra2 education graphical user interface (gui) to investigate tephra fallout at Colima volcano. By the end of this lab, students should be able to:•understand that every volcanic event is different and so produces a unique deposit•convert from units of...

  2. 2017 AGU Fall Meeting Session - V036: Volcanic Ash—Generation, Transport, Impacts, and Applications

    20 Jun 2017 | Miscellaneous | Contributor(s): amanda rachelle hintz

    Dear all,We invite you to submit an abstract to our session and look forward to you joining us at AGU 2017 in New Orleans, December 11 - 15, 2017.V036: Volcanic Ash—Generation, Transport, Impacts, and ApplicationSession ID#:...

  3. A Matlab implementation of the Carey and Sparks (1986) model

    04 Nov 2015 | Offline Tools

    Download the code on GitHub: https://github.com/e5k/CareySparks86_MatlabFollow updates on: https://e5k.github.io/   This file is a Matlab implementation of the Carey and Sparks (1986) model to estimate i) the plume height above sampling altitude and ii) the wind speed at the...

  4. A new method to identify the vent location of tephra fall deposits based on thickness or maximum clast size measurements (SVL)

    17 Apr 2018 | Offline Tools

    This tool presents a new method to identify the vent location of tephra fall deposits based on thickness or maximum clast size measurements. It is temporarily named "svl", which is short for Source Vent Locator. The method estimates the vent location by coupling semi-empirical models...

  5. bent: A model of plumes in crossflow

    11 Nov 2010 | Presentations | Contributor(s): Marcus I Bursik

    Bent is an integral trajectory model for calculation of plume parameters in the presence of a crossflow (wind). It has been validated against data for eruptions from Kliuchevskoi and Avachinskiy volcanoes, Russia.

  6. Confort 15 (Conflow improvement)

    22 Apr 2016 | Offline Tools | Contributor(s): Marcus I Bursik

    We present an updated version of the Conflow model, an open-source numerical model for flow in eruptive conduits during steady-state pyroclastic eruptions (Mastin and Ghiorso, 2000). In the Confort 15 program, several updates were considered:The rheological parameters of the model are...

  7. Documentation for "Effect of particle entrainment on the runout of pyroclastic density currents"

    08 Sep 2016 | Data Sets/Collections | Contributor(s): Marcus I Bursik

    This is a repository for the data and script used in, "Effect of particle entrainment on the runout of pyroclastic density currents."Here you will find:1. A compilation of splash function experimental data from this study and data that was extracted from seven other studies:...

  8. Documentation for "Effect of particle entrainment on the runout of pyroclastic density currents"

    08 Sep 2016 | Data Sets/Collections

    This is a repository for the data and script used in, "Effect of particle entrainment on the runout of pyroclastic density currents."Here you will find:1. A compilation of splash function experimental data from this study and data that was extracted from seven other studies:...

  9. dWind

    27 Jul 2010 | Offline Tools | Contributor(s): Marcus I Bursik

    UPDATE: A new version of dWind is now available as part of the TephraProb package here: https://vhub.org/resources/4094It allows to download wind data from both the NOAA NCEP Reanalysis 1 and the ECMWF Era-Interim datasets and provides a variety of functions to plot and analyse wind...

  10. Eyjafjallajokull WMO meeting, Geneva, Bursik presentation

    19 Oct 2010 | Presentations | Contributor(s): Marcus I Bursik

    Presentation given at WMO, Geneva, Switzerland by M. Bursik, attempting to summarize work of this group to date (18 Oct 2010).LaTeXNSF-RAPID grant EAR-1041775, Icelandic Meteorological Office

  11. INQUA–INTAV International Field Conference and Workshop: Crossing New Frontiers

    14 Mar 2018 | Workshops

    The INQUA International Focus Group on Tephrochronology and Volcanism (INTAV) cordially invites you to participate in the Crossing New Frontiers - Tephra Hunt in Transylvania international field conference that aims to continue the long tradition of very successful inter-INQUA congress tephra...

  12. Maar-diatremes - a course module

    27 Jan 2021 | Educational Materials

    Maar-diatremes are one of the most common volcanic landforms on Earth, and represent an end-member type of volcano whose eruptions are dominated by explosive, subsurface magma-water interaction.  Thus they should form an important component of volcanology courses.  The recent decade has...

  13. Mono-Inyo Tephra Database

    01 Aug 2017 | Data Sets/Collections

    The Mono-Inyo Craters is a zone of active volcanism in California, USA, that extends from Mammoth Mountain and Long Valley caldera in the south to the islands of Mono Lake in the north.  This resource provides the citation for the Mono-Inyo tephra database.  The database can...

  14. Mount St Helens 1980-6 Activity summary

    27 Apr 2011 | Educational Materials

    This series of two lectures summarizes the sequence of events asssociated with the 1980-86 eruptions of Mount St Helens, Washington State, USA. It is intended as a refresher for students and researchers.Lipman, Peter W., and Mullineaux, Donal R. (eds.), 1981, The 1980 Eruptions of Mount St....

  15. Numerical fallout models: An introduction based on Suzuki (1983)

    08 Feb 2011 | Presentations | Contributor(s): Marcus I Bursik

    Suzuki, T., 1983. A theoretical model for dispersion of tephra, in: D. Shimozuru and I. Yokoyama (eds) Arc Volcanism: Physics and Tectonics, Terra Scientific Publishing, Tokyo, 95-116.

  16. PASI: Volcanic Hazards and Remote Sensing in Pacific Latin America

    11 Jan 2011 | Workshops | Contributor(s): Marcus I Bursik

    http://www.geo.mtu.edu/~raman/PASI2011The Open Vent Volcanoes PASI in Costa Rica gathered 60 scientists from 13 countries to build scientific networking in the transdisciplinary field of volcanology in January 2011. The accelerating application of field measurements and remote sensing to...

  17. puffin

    27 Jan 2021 | Tools

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

  18. PYFLOW_2.0. A new tool for estimating the impact parameters and the deposition rate and time of dilute PDCs based on field data

    22 Nov 2017 | Offline Tools | Contributor(s): Marcus I Bursik

    PYFLOW_2.0 is a hazard tool for the calculation of the impact parameters of dilute pyroclastic density currents (DPDCs). DPDCs represent the dilute turbulent type of gravity flows that occur during explosive volcanic eruptions; their hazard is the result of their mobility and the capability...

  19. Pyroclastic density currents and local topography as seen with the conveyer model

    15 Apr 2014 | Publications

    Pyroclastic density currents (PDCs) are multiphase flows generated during explosive volcanic eruptions, and they move down the volcano, and over the surrounding topography. The flow-topography interaction can play a fundamental role in the sedimentary processes, and in the resulting deposit...

  20. Spread sheet to calculate tephra volume for exponential thinning

    10 Apr 2015 | Offline Tools

    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...