Levich Institute Seminar Announcement, 02/17/2015
Steinman Hall, Room #312
(Chemical Engineering Conference Room)
Professor Einat Lev
Department of Department of Earth and Environmental Sciences
"Investigating Lava Rheology and Dynamics Using Experiments, Numerical Models and Field Observations"
Lava is one of the most common geologic fluids, covering vast areas of the Earth, Moon and other planets. Lava flows can help us understand magmatic processes, eruptions, and crust formation, as well as provide record of ancient environments and climate. Of course, lava flows also constitute a serious natural hazard, as demonstrated by recent events in Hawaii and Iceland. I begin the talk by addressing one important parameter in lava behavior ? the lava’s rheology ? and new ways to estimate it for active flows and domes. I then discuss new tools for investigating lava channel networks, and the response of lava to topography and obstacles. Our journey in lava kingdom continues as we will dive into lava lakes, where I show correlations between circulation vigor, lake level, gas emissions, and microseismicity. I conclude by looking at the interaction of lava with ice and water. I present results from lab experiments, numerical models, video analysis, and aerial photography.
BRIEF ACADEMIC/EMPLOYMENT HISTORY
2003-2009 PhD Geophysics, Massachusetts Institute of Technology
2009-2013 Postdoctoral Fellow, Lamont Doherty Earth Observatory, Columbia University
2013-present Lamont Assistant Research Professor, Columbia University
RECENT RESEARCH INTERESTS
Physical volcanology, geodynamics, fluid mechanics, numerical modeling