Dr Graham Hill is a senior research scientist and leads the electromagnetics research group at the Institute of Geophysics, Czech Academy of Sciences. His research focus is electromagnetic induction theory and practice, inverse theory, the relationship of resistivity structure to physico-chemical conditions of the Earth, global tectonism, volcanism and magmatic systems, geothermal systems development, and ore deposits. Hill completed pioneering work in the application of the magnetotelluric (MT) method to magmatic studies, and the need to consider magmatic systems within a tectonic framework. With co-workers at the University of Utah Graham has led the application of large scale MT studies to investigate active processes of the Antarctic continent; investigating extensional orogenic uplift, thermal and hydration state of the deep crust and upper mantle, and volcanogenic transport processes. Current research focus: the development and application of temporal MT observations for monitoring efforts (e.g. volcano, geothermal, and slow-slip earthquakes); generation of andesite melts and high density volcanic centres (Katmai Group, Alaska – USA); and alkalic volcanic systems (Mount Erebus, Antarctica). Graham is an awardee of the New Zealand Geophysics Prize, Antarctic Science Medal, and is currently a Lumina Quaeruntur Fellow.
Graham Hill, Ph.D.
senior researcher
Volcanic and Magmatic Processes
gjhill@ig.cas.cz
+420 267 103 067
office 126
ORCID
Example of Significant Publications:
- Hill, G.J., Bibby, H.M., Peacock, J., Wallin, E.L., Ogawa, Y., Caricchi, L., Keys, H., Bennie, S.L., Avram, Y. “Temporal magnetotellurics reveals mechanics of the 2012 Mount Tongariro, NZ eruption” – Geophysical Research Letters, DOI: 10.1029/2019GL086429 (2020)
- Hill, G.J. “On the use of Electromagnetics in Earth Imaging of the Polar Regions” – Surveys in Geophysics, 41, pp. 5-45 invited review DOI: 10.1007/s10712-019-09570-8 (2020)
- Bedrosian, P.A., Peacock, J., Bowles-Martinez, E., Schultz, A. Hill, G.J., “Crustal inheritance and top-down control on arc magmatism: Mount St. Helens in focus” – Nature Geoscience 11, pp. 865–870 (2018)
- Wannamaker, P.E., Hill, G.J., Stodt, J.A., Maris V., Ogawa, Y., Selway, K., Boren, G., Bertrand, E., Uhlmann, D. F., Ayling, B., Green, A.M., Feucht, D. “Uplift of the Central Transantarctic Mountains” – Nature Communications DOI: 10.1038/s41467-017-01577-2 (2017)
- Kordy, M., Wannamaker, P.E., Maris V., Cherkaev, E., Hill, G.J. “Three-dimensional magnetotelluric inversion including topography using deformed hexahedral edge finite elements and direct solvers parallelized on SMP computers, Part I: Forward problem and parameter Jacobians” – Geophysical Journal International DOI: 10.1093/gji/ggv410 (2016)
- Kordy, M., Wannamaker, P.E., Maris V., Cherkaev, E., Hill, G.J. “Three-dimensional magnetotelluric inversion including topography using deformed hexahedral edge finite elements and direct solvers parallelized on SMP computers, Part II: Direct data-space inverse solution” – Geophysical Journal International DOI: 10.1093/gji/ggv411 (2016)
- Hill, G.J., Bibby, H.M., Ogawa, Y., Wallin, E.L., Bennie, S.L., Caldwell, T.G., Keys, H., Bertrand, E.A., Heise, W. “Structure of the Tongariro Volcanic System: Insights from Magnetotelluric Imaging” – Earth and Planetary Science Letters DOI: 10.1016/j.epsl.2015.10.003 (2015)
- Heise, W., Caldwell, T.G., Hill, G.J., Bennie, S.L., Wallin, E., Bertrand E.A. “Magnetotelluric Imaging of Fluid Processes at the Subduction Interface of the Hikurangi Margin, New Zealand” – Geophysical Research Letters, Volume: 39, Article Number: L04308,DOI:1029/2011GL050150 (2012)
- Hill, G.J., Caldwell, T.G., Heise, W., Bibby, H.M., Chertkoff, D.G., Burgess, M.K., Cull, J.P., Cas, R.A.F. “Distribution of melt beneath Mount St. Helens and Mount Adams inferred from magnetotelluric data” – Cover Article. Nature Geoscience 2, 785–789, doi.org/10.1038/ngeo661 (2009)
- Wannamaker, P.E., Caldwell, T.G., Jiracek, G.R., Maris, V., Hill, G.J., Ogawa, Y., Bibby, H.M., Bennie, S.L., Heise, W. “Fluid and deformation regime of an advancing subduction system at Marlborough, New Zealand” – Nature 460, 733–736, doi:10.1038/nature08204 (2009)