PI: Nuclear Testing Limitations (2004-Present): Los Alamos National Laboratory-NNSA/NA-241 program.
Science Council (2004-2007): Chief Scientist Office, Los Alamos National Laboratory.
Science and Engineering Advisory Council (2002-2004): Los Alamos National Laboratory.
Guest Scientist (2000-2004): Vesuvius volcano observatory, Ministry of Civil Defense, Naples, Italy.
Board of Directors (1998-2000): DOSECC (Drilling, Observation and Sampling of the Earths Continental Crust), Salt Lake City, leadership and technical support of subsurface sampling and monitoring technology for addressing topics of scientific and societal importance.
Adjunct Professor (1991-2007): University of New Mexico, physics of magmatic systems, summer volcanology program.
Visiting Professor (1993-2000): Universita di Napoli "Federico II", Dipartimento di Geofisica e Vulcanologia, Largo S. Marcellino 10 ,80138 Napoli; volcanic hazards and physics of magmatic systems.
Instructor (1982-83): University of New Mexico, Los Alamos Branch, 1333 40th Street, Los Alamos, NM 87544; physical and historical geology.
Technical Staff Member (1983-Present): Yucca Mountain Project, numerical simulation in earth sciences, geophysical shock wave experimentation, geothermal resource exploration and development, Threshold Test Ban Treaty designated inspector, Comprehensive Test Ban Treaty, nuclear testing limitations, volcanic hazards.
Director's Postdoctoral Fellow (1981-83): Earth and Space Sciences Division, Los Alamos National Laboratory, Los Alamos, NM 87545; geologic mapping, volcanic ash analysis, and experimental modeling of explosive volcanism.
Postdoctoral Research Assistant (1980-81): Arizona State University, Geology Department, Tempe, AZ 85287; geologic mapping, SEM of volcanic ash, and analysis of Martian rampart craters.
Visiting Scientist (1980): Italian National Research Council, University of Pisa, Italy: volcanic hazard evaluation and lecturing.
Visiting Staff Member (1975-78): Los Alamos National Laboratory; geologic mapping, computer code analysis, experimental scale modeling, geologic and geophysical evaluation of volcanic hazards, core logging, and petrography.
Visiting Graduate Fellow (1976): Lunar
Science Institute, Houston, TX; Planetary impact cratering
mechanics.
U.S.A.: Structural relationships - White-Inyo Range, CA; Volcanism - Long Valley caldera, CA; Ubehebe Crater, CA; Clear Lake volcanic field, CA; Quaternary volcanism - Hawaii; Geothermal resource assessment - Castle Hot Springs, AZ; Volcanism - Superstition Volcanic Field, Peridot Mesa, and San Francisco Peaks, AZ; Volcanism - Jemez Mts., Kilbourne Hole, Zuni Salt Lake, and Tejana Mesa, NM; Ukinrek volcano, AL; Nevada Test Site, NV
West Indies: Volcano geophysics - La Soufrière de Guadeloupe; Geothermal resource assessment - St. Lucia.
Italy: Volcanic hazard assessment - Vesuvius, Campi Flegrei, Lipari, and Vulcano
Mexico: Geothermal resource assessment - Sierra de La Primavera, Jalisco; Pinacate volcanic field - Sonora.
Central America: Geothermal resource assessment - Copán and Choluteca, Honduras; Geothermal resource assessment - Rincon de la Vieja, Tenorio, and Miravalles volcanoes, Costa Rica; Geothermal resource assessment - Tecuamburro volcano, Guatemala.
South America: Machin volcano, Colombia
Indonesia: Geothermal resource assessment, Philippines
Laboratory Experience:
1982-1984: DOE/LANL Institutional Supporting Research and Development: Characterization and interpretation of volcanic ash
1984: University of California Institute of Geophysics and Planetary Physics: Oxygen isotope exchange during explosive magma-water interaction: experimental study
1984-1985: DOE/LANL Institutional Supporting Research and Development: Models of large scale volcanic eruptions
1986: University of California Institute of Geophysics and Planetary Physics: Maars and cinder cones, Rio Grande Valley, New Mexico: Hydrologic indexing
1986: DOE/LANL Institutional Supporting Research and Development: Volcanic eruption clouds and aircraft safety
1986: DOE/LANL Institutional Supporting Research and Development: Continental Scientific Drilling
1986-1988: DOE/LANL Institutional Supporting Research and Development: Multiphase computer simulations of volcanic eruptions with entrained ash
1986-1988: DOE/LANL Institutional Supporting Research and Development: A volcanological approach for evaluating geothermal systems
1988: DOE Continental Scientific Drilling Project: A study of hydraulic fracturing in volcanoes
1988: Defense Nuclear Agency IARCO 89-830: Dust collection and cloud characterization MISERS GOLD
1989: Univ. California Institute of Geophysics and Planetary Physics: Magmatic response to geodynamic setting: southern portion of the Central America arc
1989-1992: DOE/LANL Laboratory Directed Research and Development: Hydrodynamics of multiphase flow in volcanic conduits
1991-1992: DOE Office of Arms Control: Origin characterization of particulate samples
1992: Univ. California Institute of Geophysics and Planetary Physics: Supercomputer modeling of volcanic eruption dynamics
1993-1995: Univ. California Institute of Geophysics and
Planetary Physics: Simulating silicic eruptions at Long Valley, California
2005-2008: Univ. California Institute of Geophysics and
Planetary Physics: The role of conduit dynamics in determining atmospheric effects of
volcanic eruptions
Marty Horn (MS 1986) Numerical simulations of pyroclastic eruptions, University of Texas, Arlington
Greg Valentine (PhD 1988) Field and theoretical aspects of explosive volcanic transport processes, University of California, Santa Barbara
Meghan Morrissey (MS 1990) Application of results from Fe-Al melt-water explosions experiments to hydrovolcanic eruptions, University of Texas, Arlington
Dana Bahar (MS 1991) Pyroclastic surge deposits of Kilbourne Hole, New Mexico, New Mexico State University, Las Cruces
Eduardo Malavassi (PhD) Volcanism and Tectonics of Costa Rica, University of California, Santa Cruz
Mark Servilla (PhD 1996) Characterization of the ~760 ka eruption of the Bishop Tuff based on geochemical trends and numerical modeling, University of New Mexico, Albuquerque
Matt Walters (MS 1996) Fracture Analysis of the Bandelier Tuff, Pajarito Plateau, North-Central Rio Grande Rift, New Mexico; Texas Christian University
Ines Caffier (MS 1999) Investigation of the fragmentation of magmatic melt by expanding gas, University of Wurzburg, Germany
Magdalena Sandoval (MS 2007) University of New Mexico
Darcy Ogden (PhD 2008) Advance numerical simulation of volcanic eruptions, University of California, Santa Cruz
Cathy Plesko (PhD 2008) Numerical simulation of impact cratering dynamics, University of California, Santa Cruz
Prof. Susan W. Kieffer: Department of Geology MC 102, 245 Natural History, University of Illinois, Urbana, IL, 61801
Prof. Michael F. Sheridan: Department of Geology, 415 Fronczak Hall, State University of New York, Buffalo, NY 14260.
Prof. Alexandra Navrotsky: Thermochemistry Facility, Chemistry Annex , Dept. of Chemical Engineering and Materials Science, University of California at Davis, Davis, CA 95616-8779
Dr. Grant Heiken: 331 Windantide Place, Freeland, WA 98249-9683