Graham Leonard

 

Full Name: Graham Leonard

Position: Volcanic Geologist

Contact details

Email: G.Leonard
Phone: +64-4-570 4799

Qualifications

1999: BSc (1st class honours), Volcanology; 2003: PhD, Volcanology

Areas of expertise

Geochemist: Trace Element Geochemistry
Geochronology: Ar-Ar
Geology: Engineering Geology
Geology: Field mapping & compilation
Geology: GIS mapping
Geology: Hazard Assessment
Geology: Hazard mapping
Geology: Petrography
Geology: Petrology
Geology: Volcanology
Social Science: Community Consultation
Social Science: Effective Warning Response
Social Science: Impact Assessment
Social Science: Interviewing
Social Science: Natural Hazards Research
Social Science: Social Media
Social Science: Survey design

Professional activities

American Geophysical Union: Member
International Association of Volcanology and Chemistry of the Earth's Interior: New Zealand National Contact
Geoscience Society of New Zealand: Wellington Branch: Member
IAVCEI: CaV Commission: Volcanic Ashfall Impacts Working Group: Leader
International Association of Volcanology and Chemistry of the Earth's Interior: Volcanic Disaster Mitigation Liaison Committee: Elected Member
International Association of Volcanology and Chemistry of the Earth's Interior: Cities and Volcanoes Commission: Elected Leader
Journal of Applied Volcanology: Elected Editor in Chief

Major publications

Conway, C.E.; Leonard, G.S.; Townsend, D.B.; Calvert, A.T.; Wilson, C.J.N.; Gamble, J.A.; Eaves, S.R. 2016 A high-resolution 40Ar/39Ar lava chronology and edifice construction history for Ruapehu volcano, New Zealand. Journal of Volcanology and Geothermal Research, 327: 152-179; doi: 10.1016/j.jvolgeores.2016.07.006

New Zealand Ministry of Civil Defence & Emergency Management 2016 Tsunami evacuation zones : Director's Guideline for Civil Defence Emergency Management Groups [DGL 08/16]. Wellington, N.Z.: Ministry of Civil Defence & Emergency Management. 39 p.

Conway, C.E.; Townsend, D.B.; Leonard, G.S.; Wilson, C.J.N.; Calvert, A.T.; Gamble, J.A. 2015 Lava-ice interaction on a large composite volcano : a case study from Ruapehu, New Zealand. Bulletin of Volcanology, 77(3): article 21; doi: 10.1007/s00445-015-0906-2

Leonard, G.S.; Potter, S.H. 2015 Developing effective communication tools for volcanic hazards in New Zealand, using social science. p. 305-310; doi: 10.1017/CBO9781316276273.018 IN: Loughlin, S.C.; Sparks, R.S.J.; Brown, S.K.; Jenkins, S.F.; Vye-Brown, C. (eds) Global volcanic hazards and risk. Cambridge, U.K.: Cambridge University Press

Leonard, G.S.; Stewart, C.; Wilson, T.M.; Procter, J.N.; Scott, B.J.; Keys, H.J.; Jolly, G.E.; Wardman, J.B.; Cronin, S.J.; McBride, S.K. 2014 Integrating multidisciplinary science, modelling and impact data into evolving, syn-event volcanic hazard mapping and communication : a case study from the 2012 Tongariro eruption crisis, New Zealand. Journal of Volcanology and Geothermal Research, 286: 208-232; doi: 10.1016/j.jvolgeores.2014.08.018

New Zealand Ministry of Civil Defence & Emergency Management 2014 Tsunami warning sirens. Wellington, N.Z.: Ministry of Civil Defence & Emergency Management. Technical standard (Ministry of Civil Defence & Emergency Management) 03/14. 14 p.

Leonard, G.S.; Johnston, D.M.; Gregg, C.E. 2013 Warning systems. p. 1091-1096 IN: Bobrowsky, P. (ed.) Encyclopedia of natural hazards. Dordrecht, The Netherlands: Springer. Encyclopedia of earth sciences.

Fraser, S.; Leonard, G.S.; Murakami, H.; Matsuo, I. 2012 Tsunami vertical evacuation buildings : lessons for international preparedness following the 2011 Great East Japan tsunami. Journal of disaster research, 7(sp): 446-457

Leonard, G.S.; Houghton, B. 2012 Volcanoes : blow up. p. 16-35 IN: Hicks, G.R.F.; Campbell, H.J. (eds) Awesome forces : the natural hazards that threaten New Zealand. Wellington, N.Z.: Te Papa Press

Wilson, T.M.; Stewart, C.; Sword-Daniels, V.; Leonard, G.S.; Johnston, D.M.; Cole, J.W.; Wardman, J.B.; Wilson, G.; Barnard, S.T. 2012 Volcanic ash impacts on critical infrastructure. Physics and chemistry of the earth, 45/46: 5-23; doi: 10.1016/j.pce.2011.06.006

Leonard, G.S.; Begg, J.G.; Wilson, C.J.N. (comps) 2010 Geology of the Rotorua area : scale 1:250,000. Lower Hutt: GNS Science. Institute of Geological & Nuclear Sciences 1:250,000 geological map 5. 102 p. + 1 folded map

New Zealand Ministry of Civil Defence & Emergency Management 2009 Public alerting : options assessment. Wellington, N.Z.: Ministry of Civil Defence & Emergency Management. Information for the CDEM sector IS 10/09. 50 p.

Wilson, C.J.N.; Gravley, D.M.; Leonard, G.S.; Rowland, J.V. 2009 Volcanism in the central Taupo Volcanic Zone, New Zealand : tempo, styles and controls. p. 225-247 IN: Thordarson, T.; Self, S.; Larsen, G.; Rowland, S.K.; Hoskuldsson, A. (eds) Studies in volcanology : the legacy of George Walker. London: Geological Society. Special publications of the International Association of Volcanology and Chemistry of the Earth's Interior 2.

Leonard, G.S.; Johnston, D.M.; Paton, D.; Christianson, A.; Becker, J.S.; Keys, H. 2008 Developing effective warning systems : ongoing research at Ruapehu volcano, New Zealand. Journal of Volcanology and Geothermal Research, 172(3/4): 199-215; doi: 10.1016/j.jvolgeores.2007.12.008

New Zealand Ministry of Civil Defence & Emergency Management 2008 Tsunami evacuation zones : Director's Guideline for Civil Defence Emergency Management Groups [DGL 08/08]. Wellington, N.Z.: Ministry of Civil Defence & Emergency Management. 19 p.

New Zealand Ministry of Civil Defence & Emergency Management 2008 National tsunami signage. Wellington, N.Z.: Ministry of Civil Defence & Emergency Management. Technical standard for the CDEM sector TS 01/08. 19 p.

Wilson, C.J.N.; Leonard, G.S. 2008 Slumbering giants. p. 166-169 IN: Graham, I.J. (ed.) A continent on the move : New Zealand geoscience into the 21st century. Wellington: Geological Society of New Zealand in association with GNS Science. Geological Society of New Zealand miscellaneous publication 124.

Gravley, D.M.; Wilson, C.J.N.; Leonard, G.S.; Cole, J.W. 2007 Double trouble : paired ignimbrite eruptions and collateral subsidence in the Taupo Volcanic Zone, New Zealand. Geological Society of America Bulletin, 119(1/2): 18-30; doi: 10.1130/B25924.1

Leonard, G.S.; Lowe, D.J.; McSaveney, E.; Smith, R.; Stewart, C.; Wright, I. 2007 Living on the ring of fire. p. 76-115 IN: Life on the edge : New Zealand's natural hazards and disasters. Auckland, NZ: David Bateman

Stewart, C.; Johnston, D.M.; Leonard, G.S.; Horwell, C.J.; Thordarson, T.; Cronin, S.J. 2006 Contamination of water supplies by volcanic ashfall : a literature review and simple impact modelling. Journal of Volcanology and Geothermal Research, 158(3/4): 296-306; doi: 10.1016/j.jvolgeores.2006.07.002

Webb, T.H. 2005 Review of New Zealand's preparedness for tsunami hazard, comparison to risk and recommendations for treatment. Institute of Geological & Nuclear Sciences client report 2005/162. 104 p., appendices

Nairn, I.A.; Shane, P.R.; Cole, J.W.; Leonard, G.S.; Self, S.; Pearson, N. 2004 Rhyolite magma processes of the ~AD 1315 Kaharoa eruption episode, Tarawera volcano, New Zealand. Journal of Volcanology and Geothermal Research, 131(3/4): 265-294

Leonard, G.S.; Cole, J.W.; Nairn, I.A.; Self, S. 2002 Basalt triggering of the c. AD 1305 Kaharoa rhyolite eruption, Tarawera Volcanic Complex, New Zealand. Journal of Volcanology and Geothermal Research, 115(3-4): 461-486

Graham is a Senior Scientist within the Risk and Society Department. His particular research interests are in Taupo Volcanic Zone volcanic mapping; New Zealand volcanic geology, stratigraphy and geochronology; developing effective response to warning systems, especially for volcanic, tsunami & landslide/debris-flow processes; and quantifying/characterising & mitigating the impacts of natural hazard events.

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