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Professor Katharine Cashman
Professor Katharine Cashman
Professor of Volcanology
Area of research
Physical and chemical processes that operate within volcanic systems
My research concerns the evolution of magma within the Earth’s crust and how its path to the surface triggers volcanic eruptions. I use a combination of field volcanology, igneous petrology, kinetics, microscopy and fluid dynamics to address the fundamental problem of how volcanoes work.
My current focus is on mafic volcanism - from channel development in Hawaiian lava flows to volcanic ash formation in eruptions from Hawaiian, Icelandic, Italian, Latin American and Pacific Northwest (US) volcanoes. I continue, however, to pursue questions related to intermediate to silicic volcanism, particularly at Mount St. Helens, USA.
I studied for a BA degree in Geology and Biology at Middlebury College, Vermont, USA (1976), for an MSci (1st class Hons) at Victoria University, Wellington (New Zealand) and for a PhD in Earth Sciences at Johns Hopkins University, Maryland, USA (1986). My PhD project concerned applying theories of crystal size distributions to volcanic systems, and was supervised by Professor Bruce Marsh. I was an Assistant Professor at Princeton University, New Jersey, USA (1986-1991), and then an Associate (1991-1997) and Full (1997-present) at the University of Oregon. I came to Bristol in 2011 on a three year Research Professorship funded by the AXA insurance company. In December 2013 I was offered an AXA Endowed Chair at Bristol. I was Head of the Department of Geological Sciences, University of Oregon (2007-10) and President of the Volcanology, Geochemistry and Petrology (VGP) section of the American Geophysical Union (AGU; 2002-2004). In 2003 I was made a Distinguished Professor of the College of Arts and Sciences (Oregon), in 2007 I was made a Philip H. Knight Distinguished Professor of Natural Science (Oregon). I received the AGU VGP Bowen Award in 2006, was elected a Fellow of the AGU in 2009 and of the American Academy of Arts and Sciences in 2012. I currently hold a Royal Society Wolfson Research Merit Award.
- field geology
- igneous petrology
- fluid dynamics
School of Earth Sciences
Earth Sciences staff
- Jones, T, McNamara, K, Eychenne, J, Rust, A, Cashman, K, Scheu, B & Edwards, R, 2016, Primary and secondary fragmentation of crystal-bearing intermediate magma. Journal of Volcanology and Geothermal Research.
- Biggs, J, Robertson, E & Cashman, KV, 2016, The lateral extent of volcanic interactions during unrest and eruption. Nature Geoscience, vol 9., pp. 308-311
- Eychenne, J, Cashman, KV, Rust, AC & Durant, A, 2015, Impact of the lateral blast on the spatial pattern and grain size characteristics of the 18 May 1980 Mount St. Helens fallout deposit. Journal of Geophysical Research, vol 120., pp. 6018-6038
- Dietterich, HR, Cashman, KV, Rust, AC & Lev, E, 2015, Diverting lava flows in the lab. Nature Geoscience, vol 8., pp. 494-496
- Liu, EJ, Cashman, KV, Rust, AC & Gislason, SR, 2015, The role of bubbles in generating fine ash during hydromagmatic eruptions. Geology, vol 43., pp. 239-242
- Gurioli, L, Andronico, D, Bachelery, P, Balcone-Boissard, H, Battaglia, J, Boudon, G, Burgisser, A, Burton, MR, Cashman, K, Cichy, S, Cioni, R, Di Muro, A, Dominguez, L, D’Oriano, C, Druitt, T, Harris, AJL, Hort, M, Kelfoun, K, Komorowski, JC, Kueppers, U, Le Pennec, JL, Menand, T, Paris, R, Pioli, L, Pistolesi, M, Polacci, M, Pompilio, M, Ripepe, M, Roche, O, Rose-Koga, E, Rust, A, Schiavi, F, Scharff, L, Sulpizio, R, Taddeucci, J & Thordarson, T, 2015, MeMoVolc consensual document: a review of cross-disciplinary approaches to characterizing small explosive magmatic eruptions. Bulletin of Volcanology, vol 77.
- Lindoo, A, Larsen, JF, Cashman, KV, Dunn, AL & Neill, OK, 2015, An experimental study of permeability development as a function of crystal-free melt viscosity. Earth and Planetary Science Letters, vol 435., pp. 45-54
- Liu, E, Cashman, K & Rust, A, 2015, Optimising shape analysis to quantify volcanic ash morphology. GeoResJ, vol 8.
- Guevara-Murua, A, Hendy, E, Rust, AC & Cashman, KV, 2015, Consistent decrease in North Atlantic Tropical Cyclone frequency following major volcanic eruptions in the last 3 centuries. Geophysical Research Letters, vol 42., pp. 9425?9432
- Christopher, TE, Blundy, J, Cashman, K, Cole, P, Edmonds, M, Smith, PJ, Sparks, RSJ & Stinton, A, 2015, Crustal-scale degassing due to magma system destabilization and magma-gas decoupling at Soufrière Hills Volcano, Montserrat. Geochemistry, Geophysics, Geosystems.
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