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Associate Prof Jonathan Leaver

Associate Professor
School of Engineering and Applied Technology
Location: Building 114, Room 4013

Qualifications

BE(Hons) Auck., PGDipEnTech Auck., MS Stanford, PhD Auck.

Professional memberships


Institution of Professional Engineers of New Zealand
Society of Petroleum Engineers
NZ Geothermal Association
Engineers for Social Responsibility

Profile

Professional Experience

  • 2003 - Engineering Research Manager, Chair, Centre of Sustainable Energy Initiatives, Unitec Institute of Technology
  • 1998 - 2002 Head of School of Civil and Environmental Engineering, UNITEC Institute of Technology
  • 1990 - 1997 Chief Petroleum and Geothermal Inspector, North Island Regional Manager, Mining Inspection Group, Ministry of Commerce, Hamilton
  • 1988 - 1989 Chief Geothermal Inspector, Ministry of Energy, Taupo
  • 1981 - 1987 Geothermal Reservoir Engineer, Ministry of Works and Development, Wairakei
  • 1976 - 1980 Civil Engineer (Roading), Ministry of Works and Development, Rotorua
  • 1974 - 1975 Structural Design Engineer, Ministry of Works, Wellington

Project Work

  • Regulatory advisory group, Golden Cross Mine 1997
  • Health and Safety in Employment Petroleum Exploration and Extraction Regulations: 1992-97
  • Health and Safety in Employment Petroleum Pipelines Regulations 1992-97
  • Geothermal Energy Regulations Review 1991
  • Technical Conditions of Licence, McLachlans Geothermal Power Station 1990
  • Ministry of Energy (Levies) Regulations - Geothermal 1989
  • Approval/appraisal of all on & offshore exploration drilling programmes - petroleum and geothermal (1990-97)
  • Development/adoption of standards, codes and guidelines for the onshore and offshore petroleum and geothermal exploration and extraction industries (1988-97)
  • Technical Safety Audit Maui Floating Production Storage Offloading Facility (Singapore) 1996
  • Approval to 1993 of all environmental impact reports submitted under the Petroleum Act 1937
  • Technical Safety Audit Maui B Offshore Installation (Singapore) 1993
  • Ngawha geothermal testing program 1983 (20,000 man-hours)
  • Ohaaki power station road and Waikato river crossing investigations 1979-80
  • State Highway shape correction SH1 Atiamuri, SH38 Kaingaroa 1975-80
  • Bay of Plenty State Highway road sealing, bridge maintenance and pavement marking contracts 1975-80
  • Other works associated with marinas, earth dam, subdivisions etc. 1975-80
  • Otangimoana Bridge construction 1979

Awards

  • Ministry of Works and Development Study Award, Stanford University, 100,000, 1984
  • Top engineering student, Diploma in Energy Techology, University of Auckland, 1981
  • Ministry of Works and Development Study Award, University of Auckland, 35,000, 1981
  • Ministry of Works and Development Student Bursary, University of Auckland, 1200, 1970

Research Grants

  • 2002 200,000 over 6 years from the Foundation for Research, Science and Technology (FRST Contract Number CO8X0204) for 'Hydrogen Energy for the Future of New Zealand'.

Appointments

  • New Zealand Council of Engineering Deans 2001-02
  • IPENZ Network of Engineering Educators 2001-02
  • Member New and Emerging Technologies Sub-committee for the Foundation for Research Science and Technology 2001
  • Founder, Chairman, New Zealand Consortium for Diploma in Engineering (Civil) 1997
  • Founder, Chairman, Unitec Centre for Sustainable Engineering Initiatives 2000
  • Director, IPENZ Centre for Sustainable Management 1997-01
  • Australian National Oil and Gas Safety Advisory Committee 1996-97
  • Australian Standards Committee ME38 Petroleum Pipelines 1996-97
  • Petroleum Legislation subcommittee of the Australia New Zealand Minerals and Energy Council 1995-97
  • Convener for proposed Drilling and Regulations short course for World Geothermal Congress 1995.
  • Australian Tripartite National Safety Case Working Group 1994-95
  • International Petroleum Regulators Forum 1993
  • Co-chairman NZ Standards Committee NZS4203 'Deep Geothermal Wells' 1990
  • Opening speaker at 3rd Geothermal Workshop 1981
  • NZ Standards Committee for Geothermal Heating Systems in Rotorua 1988

Publications

Leaver, J. D. (2018). Bridging the knowledge gap from Technologist to Professional Engineer. NZDE/BEngTech Forum, Petone.

Watabe, A., & Leaver, J. D. (2018). Economic Costs of Rapid Transitioning to Hydrogen Fuel Cell Light Vehicle Fleets in Japan and New Zealand. World Hydrogen Energy Conference, Rio De Janeiro, Brazil.

Shafiei, E., Davidsdottir, B., Fazeli, R., Stefansson, H., Asgeirsson, E. I., & Leaver, J. (2018). Simulating the impact of fiscal incentives on electro-mobility transition and prospects for Icelandic energy-economic systems. 36th International Conference of the System Dynamics Society, Reykjavík, Iceland.

Leaver, J., Shafiei, E., Davidsdottir, B., Watabe, A., & Ishida, H. (2018). Capability and application of the UniSyD and UniTrac techno-economic models. Motu researcher workshop on cross-sectoral climate change mitigation modelling: 1 May 2018, Te Wharewaka o Pōneke, Wellington.

Shafiei, E., Davidsdottir, B., Fazeli, R., Leaver, J., Stefansson, H., & Asgeirsson, E. (2018). Macroeconomic effects of fiscal incentives to promote electric vehicles in Iceland: Implications for government and consumer costs. Energy Policy (Vol. 114).

White, D., Winchester, N., Atkins, M., Ballinggall, J., Coates, S., De Miguel Mercader, F., Greenhalgh, S., Hogan, J., Kerr, A., Kerr, S., Leaver, J., Leining, C., Monge, J., Neale., J., Philpott, A., Smart, V., Stroombergen, A., & Suomalanien, K. (2018). Energy- and multi-sector modelling of climate change mitigation in New Zealand: current practice and future needs. New Zealand, Motu's Shaping New Zealand's Low-Emission Future programme (Vol. Motu Economic and Public Policy Research).

Leaver, J. D. (2017). Multi-regional system-dynamics modelling of integrated energy-system and transport sectors using UniSyD. International Energy Agency workshop on Energy System Models and the Role of Hydrogen, University of Bath.
https://hdl.handle.net/10652/4206

Shafiei, J., Davidsdottir, B., Leaver, J., Stefansson, H., & Asgeirsson, E. I. (2017). Energy, economic, and mitigation cost implications of transition toward a carbon-neutral transport sector: A simulation-based comparison between hydrogen and electricity. Journal of Cleaner Production (Vol. 141).

Shafiei, E., Leaver, J. D., & Davidsdottir, B. (2017). Cost-effectiveness analysis of inducing green vehicles to achieve deep reductions in greenhouse gas emissions in New Zealand. Journal of Cleaner Production (Vol. 150).

Shafiei, E., Davidsdottir, B., Leaver, J., Stefansson, H., & Asgeirsson, E. (2017). Energy, economic, and mitigation cost implications of transition toward a carbon-neutral transport sector: A simulation-based comparison between hydrogen and electricity. Joutrnal of Cleaner Production (Vol. 141).

Leaver, JD. (2017). Energy systems analysis including hydrogen. Annex 36 of the Advanced Fuel Cell Technology Collaboration Programme, 10 November 2017, Webinar.
https://hdl.handle.net/10652/4210

Sims, R., Barton, B., Bennett, P., Isaacs, N., Kerr, S., Leaver, J., Reisinger, A., & Stephenson, J. (2016). Transition to a low-carbon economy for New Zealand. Wellington, New Zealand, Royal Society of New Zealand.
https://hdl.handle.net/10652/3594

Leaver, J. D., & Watabe, A. (2016). Transition to Hydrogen Fuel Cell and Battery Electric Vehicle Fleets in Japan and New Zealand. World Hydrogen Energy Conference, Zaragoza, Spain.

Leaver, J. D., Shafiei, E., & Davdisdottir, B. (2016). Simulating the Impact of Infrastructure Support on the Market Penetration of Hydrogen Vehicles in New Zealand. World Hydrogen Energy Conference, Zaragoza, Spain.

Stewart, J., & Leaver, J. D. (2016). Deemed value arbitrage in the New Zealand annual catch entitlement market. Marine Policy (Vol. 66).

Shafiei, E., Davidsdottir, B., Leaver, J., Stefansson, H., & Asgeirsson, E. I. (2015). Economic Impact of adaptation to climate change in Iceland's energy supply sector. IEEE, 2015 12th International Conference on the European Energy Market (EEM).

Shafiei, E., Davidsdottir, B., Leaver, J., Stefansson, H., & Asgeirsson, E. I. (2015). Potential Impact of adapting energy supply system to climate change in Iceland. European Climate Change Adaptation Conference, Copenhagen, Denmark.

Shafiei, E., Davidsdottir, B., Leaver, J., Stefansson, H., & Asgeirsson, E. I. (2015). Potential contribution of biofuels to greenhouse gas mitigation in Iceland. Global Cleaner Production and Sustainable Consumption Conference, Barcelona, Italy.

Shafiei, E., Davidsdottir, B., Leaver, J., Stefansson, H., & Asgeirsson, E. I. (2015). Hydrogen transition and prospects for greenhouse gas mitigation in Iceland. Global Cleaner Production and Sustainable Consumption Conference, Barcelona, Italy.

Shafiei, E., Davidsdottir, B., Leaver, J., Stefansson, E., & Asgeirsson, E. (2015). Analysis of supply-push strategies governing the transition to biofuel vehicles in a market-oriented renewable energy system. Energy (Vol. 94).

Shafiei, E., Davidsdottir, B., Leaver, J., Stefansson, H., & Asgeirsson, E. I. (2015). Comparative analysis of hydrogen, biofuels and electricity transitional pathways to sustainable transport in a renewable-based energy system. Energy (Vol. 83).

Shafiei, E.S., Davidsdottir, B., Leaver, J.D., Stefansson, H., & Asgeirsson, E.I. (2015). Simulation of Alternative Fuel Markets using Integrated System Dynamics Model of Energy System. Procedia Computer Science (Vol. 51).

Stewart, J., and Leaver, J. (2015). Efficiency of the New Zealand annual catch entitlement market. Marine Policy (Vol. 55).

Hartley, S., Leaver, J., & Spencer, J. (2015). UniQuad Project - Hydrogen Electric Farm Utility Vehicle. Unitec Symposium, Unitec Institute of Technology.

Gardiner, A., Hartley, S., & Leaver, JD. (2015). Refarm - A New Zealand R&D Programme Integrating Renewable Energy and Hydrogen into Farming. 6th World Hydrogen Technologies Convention 11-14 October, Sydney.

Gardiner, A., & Leaver, JD. (2015). Hydrogen Energy Supply Potential in New Zealand. 6th World Hydrogen Technologies Convention 11-14 October, Sydney.

Leaver, J.D., & Shafiei, E. (2015). IMPACT OF HYDROGEN FUELLED VEHICLES ON THE NEW ZEALAND VEHICLE FLEET PROFILE IN 2050. 6th World Hydrogen Technologies Convention, Sydney.

Leaver, J., Stuart, S., Spencer, J., Hawkins, S., Gardiner, A., and Shafiei, E. (2015). NEW ZEALAND UPDATE. IEA - Hydrogen Implementing Agreement Meeting, Petten, Netherlands 10-12 Feb.
https://hdl.handle.net/10652/3518

Shafiei, E., Davidsdottir, B., Leaver, J., Stefansson, H., & Asgeirsson, E. I. (2015). Simulation of alternative fuel markets using integrated system-dynamics model of energy system. Elsevier, International Conference on Computational Science (ICCS): Computational Science at the Gates of Nature (Vol. 51).

Leaver, JD, Gardiner, A., and Spencer, J. (2014). Deployment of Hydrogen Technologies in New Zealand. Proc. World Hydrogen Energy Conference, Gwangju, Korea.
https://hdl.handle.net/10652/3935

Gardiner, A., Nummy, D., Holt, R., & Leaver, J. (2014). Energy System Design for an Affordable Autonomous Solar PV Powered Dwelling with Seasonal Energy Storage. Building a Better New Zealand Conference, Auckland, New Zealand.

Shafiei, E., Davidsdottir, B., Leaver, J., Stefansson, H., and Asgeirsson, E. (2014). Potential Impact of Transition to a Low-Carbon Transport System in Iceland. Wellbeing and Equity within Planetary Boundaries: International Society for Ecological Economics Conference, Reykjavik, Iceland.

Shafiei, E., Davidsdottir, B., Leaver, J., Stefansson, H., & Asgeirsson, E. I. (2014). Exploring the Transition Pathways to Low-Carbon Light-Duty Vehicles in Iceland. Wellbeing and Equity within Planetary Boundaries: International Society for Ecological Economics Conference, Reykjavik, Iceland.

Shafiei, E., Davidsdottir, B., Leaver, J., Stefansson, H., & Ingi Asgeirsson, E. (2014). Cost-effectiveness and Potential of Greenhouse Gas Mitigation through the Support of Renewable Transport Fuels in Iceland. Ali Sayigh, Renewable Energy in the Service of Mankind Vol I. World Renewable Energy Congress WRECXIII, University of Kingston, London, UK;.

Leaver, JD, and Shafiei, SE (2014). UniSyD Partial Equilibrium Techno-Economic Bottom-Up Energy Systems Model. EECA, Motu, Castalia, NERI, Wellington.

Stewart, J., and Leaver, J.D. (2014). An Examination the ACE Market in New Zealand: Efficiency and Deemed Value Mitigation. Ministry for Primary Industries (MPI), Wellington, New Zealand.

Shafiei, E., Davidsdottir, B., Leaver, J., Stefansson, H., and Asgeirsson, E. (2014). Potential impact of transition to a low-carbon transport system in Iceland. Energy Policy (Vol. 16).

Chai, E., and Leaver, J. (2014). Longitudinal study of the success rates of a cohort of New Zealand Diploma in Engineering (Civil) domestic students. Australian Association for Engineering Education Conference and IEEE International Conference on Teaching, Assessment and Learning for Engineering 7-10 Dec, Wellington.

Leaver, J.D., and Blakeley, J.P. (2013). Influence of Electric Vehicles on Greenhouse Gas Emissions in the Energy Sector of New Zealand. Paper presented at the World Renewable Energy Congress, July 14-18, Perth, Australia.

Leaver, JD (2013). Enhancing Adoption of Electric Vehicles in the New Zealand Vehicle Fleet. 3rd Electric Vehicle Expo.

Leaver, J.D., and Fernando, D.A. (2013). In search of key drivers for success in first year engineering courses. In C. Lemckert, G. Jenkins and S. Lang-Lemckert (Eds.), Australasian Association for Engineering and Education proceedings and conference, Dec 8-11.
https://hdl.handle.net/10652/2776

Gardiner, A., Levi, T., Whitney, R., and Leaver, J. (2013). Integration of future large scale wind electricity supply: a clean energy package. Presentation at the New Zealand Wind Energy Association Conference, March 20-22, Wellington, New Zealand.
https://hdl.handle.net/10652/2900

Kestle, L., and Leaver, JD (2012). Faculty of Technology and Built Environment --Research Challenges. NZ Built Environment Symposium 15 Nov. Massey University.

Leaver, LHT, Samuelson , R., and Leaver, JD (2012). Potential for Low Transport Energy Use in Developing Asian Cities through Compact Urban Development. 3rd Conference of the International Association for Energy Economics 20-22 Feb. Kyoto.

Leaver, J. D., and Leaver, L. H. T. (2012). Influence of Plug-in Hybrid Vehicles in Reducing Greenhouse Gas Emissions in the Vehicle Transport Sector of New Zealand. Athens: ATINER'S Conference Paper Series, No: ENV2012-0365, Available at http://www.atiner.gr/papers.htm.
https://hdl.handle.net/10652/2268

Leaver, J. D., and Leaver, L. H. T. (2012). Outlook for the New Zealand Energy Economy to 2050 including the Role of Hydrogen. Unitec: Auckland.
https://hdl.handle.net/10652/2270

Leaver, J.D., and Leaver, L.H.T. (2011). Potential Impact of Consumer Behaviour and Fossil Fuelled Hydrogen Generation on National Energy Policy of New Zealand. Energy Utility & Environment Conference, Phoenix, Arizona, 31 Jan - 2 Feb.

Leaver, J.D. (2011). Drive for the Future. Advance, ISSN 1176-7391 (Vol. Autumn).

Leaver, J.D., and Leaver, L.H.T. (2011). Potential impact of consumer behaviour and carbon price on national energy policy in New Zealand. Energy Utilities and Environment Journal (online) p.13.

Leaver, J.D., and Leaver, L.H.T. (2011). Prospects for eliminating fossil fuels from the electricity and vehicle transport sectors in New Zealand. World Renewable Energy Congress 2011, 8-11 May 2011, Linkoping, Sweden. p.8. World Renewable Energy Congress 2011, 8-11 May 2011,.

Leaver, J.D. (2011). TVOne Breakfast 650 am 31 October. Interview with Petra Bagust as an expert commentator on Maui gas pipeline leak. TV One Studio, Auckland.

Phillips, D. J., Taylor, R., Leaver, J. D., and McMullan, R. (2010). Perspectives on the Challenges of Delivering a Sustainable Survey Technician Training Programme in New Zealand. FIG Congress 2010, Facing the Challenges - Building the Capacity, Sydney, Australia, 11-16 April.

Leaver, J. D. (2010). Commentary on a General Equilibrium Analysis of CO2 Mitigation Options*. Motu Economic and Public Policy Research Seminar, Spectrum Theatre BP House, Wellington.

Leaver, J.D., Pilbrow, E., and Gardiner, A. (2010). Viability of Grid Connected Micro-wind Turbine Electricity Generation in the Canterbury Plains Region of New Zealand. Report prepared for Mainpower, Auckland, New Zealand, October.

Whitney, R., Clemens, A., Gardiner, A., and Leaver, J. (2010). Transitioning to a Hydrogen Economy in New Zealand: An EnergyScape Project. XXIst World Energy Congress, Montreal, 13-16 September.

Leaver, J., and Gillingham, K. (2010). Economic impact of the integration of alternative vehicle technologies into the New Zealand vehicle fleet. Journal of Cleaner Production (Vol. 18 (9)).

Kruger , P., and Leaver, J.D. (2010). Comparative requirements for electric energy production of hydrogen fuel and/or recharging of battery electric automobile fleets in New Zealand and the United States. International Journal of Hydrogen Energy (Vol. Vol 35, Issue 20, October 2010).

Kruger, P., and Leaver, J.D. (2010). (Keynote address) Electric Energy Requirement for Hydrogen Fuel Production and/or Recharging Electric Battery Vehicle Fleets in New Zealand and the United States. U.S. National Hydrogen Association, Long Beach, CA, 4-5 May.

Leaver, J. (2009). Characteristic Periodic Variations of Surface Geothermal Features: A study of springs and geysers using wavelet and fourier analysis, and system dynamics modelling. ISBN-13: 978-3639148664.

Leaver, J. (2009). We have the technology. Kenworthy, A. Idealog (Vol. 21).

Leaver, J., and Blakeley, J. (2009). Hydrogen Versus Battery Electric Vehicles. Energy Watch (Vol. 53 June).

Leaver, J., and Gillingham, K. (2009). Economic Impact of the Integration of Alternative Vehicle Technologices into the New Zealand Vehicle Fleet. Klemes, J. Chemical Engineering Transactions 2009 (Vol. 18).

Leaver, J., and Gillingham, K. (2009). Multi-Region System Dynamics Modelling of New Zealand's Energy Economy to 2050 using UNISYD. O.'Sullivan, M. The New Zealand Institute of Mathematics and its Applications.

Leaver, J., and Gillingham, K. (2009). Multi-Region System Dynamics Modelling of New Zealand's Energy Economy to 2050 using UniSyD. Energy Modelling: Charles Parson Institute.

Leaver, J., and Gillingham, K. (2009). Multiple Scenario Analysis of the Impact of Future Vehicle Technologies on New Zealand's Energy Economy. Energy Modelling: Asia Pacific Energy Research Centre.

Leaver, J., Gillingham, K., and Leaver, L. (2009). Assessment of primary impacts of a hydrogen economy in New Zealand using UniSyD. International Journal of Hydrogen Energy (Vol. 34 7).

Leaver, J., Gillingham, K., and Leaver, L. (2009). Multi-Region System Dynamics Modelling of New Zealand's Energy Economy to 2050 using UniSyD. The Center for 21st Century Energy Fall.

Leaver, J., Gillingham, K., and Leaver, L. (2009). Multi-Region System Dynamics Modelling of New Zealand's Energy Economy to 2050 using UniSyD. Sustainable Bioeconomy Centre, Invited Seminar.

Leaver, J. (2008). Energy down under: A look at New Zealand. Dept. Energy Resources Engineering, Stanford University, http://www.smartenergyshow.com/node/56.

Leaver, J. (2008). Perspectives on New Zealand's Energy Future. Eden Epsom Probus Club - Energy Futures for New Zealand.

Leaver, J., and Gillingham, K. (2008). Integrated modeling of the impact of four alternative fleet technologies on green house gas profiles in New Zealand. Stanford University, Precourt Center for Energy.

Leaver, J., and Gillingham, K. (2008). System dynamics modelling of pathways to a hydrogen economy in New Zealand - Final Report. pp205. Unitec.

Leaver, J., and Gillingham, K. (2008). Integrated modelling of the impact of four alternative fleet technologies on greenhouse gas profiles in New Zealand. University of Davis, Institute of Transportation Research Seminar.

Leaver, J., Gillingham, K., and Baglino, A. (2008). Regional scenarios for the development of a hydrogen economy. pp401. CRL Energy.

Clemens, A., Levi, T., Gardiner, A., Broome, S., Leaver, J., and Gillingham, K. (2008). Hydrogen energy options: Scenarios, sensitivities and pathways (Report No. CRLE0601). CRL Energy Limited.

Clemens, A., Levi, T., Gardiner, A., Smit, R., and Leaver, J. (2008). Development and testing of a coal to fuel cell grade hydrogen technology package and a pathway for hydrogen uptake in New Zealand. Morsi, B. Proceedings of the 25th Annual International Pittsburgh Coal Conference (Vol. CD Rom).

Gutnik, B., Leaver, J., Standen, C., and Longley, C. (2008). Inferred influence of human lateral profile on limb load asymmetry during a quiet standing balance test. Acta Medica Okayama (Vol. 62 3).

Gillingham, K., and Leaver, J. (2008). Integrated modelling of the impact of four alternative fleet technologies on Greenhouse gas profiles in New Zealand. Dicks, A. World Hydrogen Energy Congference, International Hydrogen Association.

Gillingham, K., and Leaver, J. (2008). Impact of carbon policy on the composition of the Vehicle fleet in New Zealand. Batstone, S. Proceedings of the Energy, Transport and Sustainability Symposium.

Gillingham, K., and Leaver, J. (2008). Integrated modelling of the impact of four alternative fleet technologies on greenhouse gas profiles in New Zealand. Dicks, A. WHEC2008 17th World Hydrogen Energy Conference Program and Abstracts (Vol. CD Rom).

Gutnik, B., Penchev, B., Leaver, J., Kobrin, V., and Nash, D. (2007). A theoretical approach to manual asymmetry. An examination of recoil force fluctuations in human skeletal muscle under in vivo decompression: Report 2. Meeting of the Australasian Society for Human Biology.

Gutnik, B., Penchev, B., Leaver, J., Kobrin, V., and Nash, D. (2007). A theoretical approach to manual asymmetry. An examination of recoil force fluctuations in human skeletal muscle under in vivo decompression: Report 1. Meeting of the Australasian Society for Human Biology.

Gutnik, B., J., S., Kobrin, V., Leaver, J., Penchev, B., and Nash, D. (2007). Towards peripheral manual asymmetry :Report 1. Meeting of the Australasian Society for Human Biology.

Yielder, P., Gutnik, B., Kobrin, V., Leaver, J., and Guo, W. (2007). Viscoelastic properties of a skin and muscle compartment in the right and left hands. Biophysics (Vol. 52 2).

Yielder, P., Gutnik, B., Kobrin, V., Leaver, J., and Wei, G. (2007). Viscoelastic properties of a skin-and-muscle compartment in the right and left hands. Biophysics (Vol. 52 2).

Leaver, J., and Unsworth, C. (2007). Fourier analysis of short-period water level variations in the Rotorua geothermal field, New Zealand. Geothermics - International Journal of Geothermal Research and its Applications (Vol. 36 6).

Leaver, J., and Unsworth, C. (2007). System dynamics modelling of spring behaviour in the Orakeikorako geothermal field, New Zealand. Geothermics - International Journal of Geothermal Research and its Applications (Vol. 36 2).

Gutnik, B., and Leaver, J. (2006). Measuring the mechanical properties of skeletal muscle related to muscular tone under in-vivo compression. Ruggiero, C. Proceedings of the 4th IASTED International Conference on Biomedical Engineering.

Leaver, J. (2006). Identification and interpretation of characteristic periodic variations of near surface fluids in the Te Aroha, Rotorua and Orakeikorako geothermal fields of New Zealand using wavelet and Fourier analysis. .

Leaver, J. (2006). NZ vehicle pollution: Killing us softly. SEF News Group (Vol. 3 October).

Leaver, J., Borges, K., & Unsworth, C. (2005). Analysis of contemporaneous pseudorandom data from two springs in the Orakei Korako geothermal field of New Zealand. In R. Horne & E. Okandan (Eds.), Proceedings World Geothermal Congress 2005 (CD Rom ed., Vol. 4, pp. 1138). Antalya: International Geothermal Association. Paper presented at the World Geothermal Congress 2005, 24-29 April, Ankara, Turkey.

Leaver, J. (2005, 2 September). Energy options in New Zealand. Radio New Zealand.

Leaver, J. (2005). The petrol crisis is here. Which means crunch time for our gas guzzling lifestyle- or does it? Listener (24 September), 17.

Leaver, J. D., & Baglino, A. (2004). Prospects for HFCVs in New Zealand. Presented to the Energy Federation of New Zealand Transport Emissions Conference: Moving Forward, 18 August, Wellington, New Zealand. www.energyfed.org.nz/TransEmisConf.html

Leaver, J., & Baglino, A. (2004). System dynamics modelling of New Zealand's energy economy. Presented to the New Zealand Energy Modelling Workshop #1, 20 October, Wellington, New Zealand.

Leaver, J., & Baglino, A. (2004). Scenarios for the development of a hydrogen economy in New Zealand (Report to CRL Energy Ltd). Auckland, New Zealand: Unitec New Zealand.

Leaver, J., & Baglino, A. (2004). Market penetration of fuel cell vehicles in the New Zealand transport fleet. Paper presented at the World Energy Council 19th World Energy Congress and Exhibition, 5-9 September, Sydney, Australia. http://www.worldenergy.org/wec-geis/congress/byauthor.asp?year=2004

Leaver, J. (2004). Submissions on: Draft Newmarket future framework. Presented to the Auckland City Council Hearings Panel, 2 July, Auckland, New Zealand.

Leaver, J. (2004). Scenarios for New Zealand's energy future to 2050. Presented to the Auckland Museum Institute and Royal Society of New Zealand (Auckland Branch) Energy Symposium, 12 May, Auckland, New Zealand.

Blakeley, J. P., & Leaver, J. D. (2004). Key factors in the introduction of hydrogen as the sustainable fuel of the future. In NZSSES (Ed.), Proceedings of the International Conference on Sustainability Engineering and Science. Auckland, New Zealand: IPENZ/Civil and Environmental Engineering Department, The University of Auckland, 6-9 July, Auckland, New Zealand. www.nzsses.org.nz

Baglino, A., Leaver, J., & Sweeney, J. (2004). Scenarios for the introduction of hydrogen into New Zealand's transport fleet. Presented to the Annual Meeting of the International Energy Workshop (Organised by EMF/IEA(ETSAP)/IIASA), 22-24 June, Paris, France. http://www.iiasa.ac.at/Research/ECS/IEW2004/program.html?sb=4

Baglino, A., & Leaver, J. (2004). Scenarios for the development of a hydrogen economy in New Zealand. Paper presented at the 15th World Hydrogen Energy Conference, 28 June - 1 July, Yokohama, Japan.

Leaver, J. D. (2003). Energy scenarios - a look at future options: Studio 12, Triangle TV. 10 July.

Leaver, J. D. (2003). New Zealand's energy dilemma: Is it a crisis? Presented to the Clevedon Lions Club, April, Auckland.

Leaver, J. D. (2003). Energy outlook for New Zealand to 2050. Presented to the One Tree Hill Rotary Club, March, Auckland.

Leaver, J. D. (2003). New Zealand's energy future. Presented to the Auckland City West Rotary Club, January, Auckland.

Leaver, J. D. (2003). The potential impact of hydrogen on New Zealand's energy future. Presented to the Sustainable Energy Forum Conference, 15-16 November, Auckland.

Leaver, J. D. (2003). Scenario development for the Introduction of a hydrogen based energy economy into New Zealand. Presented to the Hydrogen Workshop (Ministry for the Environment and EECA), 28 February, Wellington.

Champaneri, B., & Leaver, J. D. (2003). Viability of electricity generation from small scale wood waste gasification, Proceedings of the International Solid Waste Association World Congress (CD Rom ed., pp. 9 p.c.). Melbourne, 9-14 November.

Smith, W., & Leaver, J. (2001). Feasibility Study for the Rotorua District Landfill Gas-to-Energy Project, WasteMinz Conference (CD Rom ed., ), 31 October - 2 November, Christchurch.

Leaver, J. D., Watson, A., Timpany, G., & Ding, J. J. (2000). An Examination of Signal Processing Methods for Monitoring Undisturbed Geothermal Resources, Proceedings of the 25th Stanford Workshop on Geothermal Reservoir Engineering (pp. 97-103). San Francisco: Stanford University. Paper presented at the conference, 24-26 January, Palo Alto, California.

Ding, J. J., Leaver, J. D., & Yu, R. (2000). Sensitivity of the Least Square Method to White Noise, Proceedings of the Engineering Mathematics and Applications Conference (pp. 119-122). Melbourne: RMIT University. Paper presented at the conference, 10-13 September, Melbourne.

Leaver, J. D. (1999). One Battle - But the War Looms? National Diploma in Surveying. Survey Quarterly, 19, 2.

Leaver, J. D. (1999). Developments in Education for Surveyors in New Zealand. Presented to the New Zealand Insitute of Surveyors, 19-20 October 1998, Wellington.

Leaver, J. D., & Phillips, D. (1999). Transformation of Engineering Technican Education in New Zealand (pp. 5 p.c.). Auckland: University of Auckland. Paper presented at the Institute of Professional Engineers New Zealand Technical Conference, July, Auckland.

Leaver, J. D., Watson, A., & Ding, J. J. (1999). Application of Fourier and Wavelet Analyses to Pressure Data from the Te Aroha Hydrothermal System. In S. F. Simmons, O. E. Morgan, & M. G. Dunstall (Eds.), Proceedings of the 21st New Zealand Geothermal Workshop (pp. 211-216). Paper presented at the 1999 Workshop, 10 November, Auckland.

Ding, J. J., Leaver, J. D., & Krodkiewski, J. M. (1999). Influence of Driving Mechanism Clearance on the Impact Noise Level in Wire Nail Machines, Proceedings of the International Conference on Vibration, Noise and Structural Dynamics (pp. 233-241), 28-29 April, Venice, Italy.

Leaver, J. D. (1998). Maximising Effectiveness and Efficiency in a Mining Industry Funded Health and Safety Regulatory Regime (pp. 483-492). Paper presented at the 1998 New Zealand Petroleum Conference, Queenstown.

Leaver, J. D., Buckeridge, J. S. J. S., & Phillips, D. (1998). Developments in Education for Surveyors in New Zealand. Presented to the New Zealand Institute of Surveyors One Hundred and Tenth Annual Conference, Palmerston North.

Leaver, J. D., Buckeridge, J. S. J. S., & Phillips, D. (1998). Developments in Education for Surveyors in New Zealand (pp. 3 p.c.). Wellington: New Zealand Institute of Surveyors. Paper presented at the New Zealand Institute of Surveyors Annual Conference, 19-20 October, Palmerston North.

Leaver, J. D., & Ding, J. (1998). Simplified Analysis of Power Potential in a Geothermal Development (pp. 365-368). Paper presented at the Twentieth Geothermal Workshop, Auckland.

Ding, J., & Leaver, J. D. (1998). Analysis of Impact Noise in Wire Nail Machines (pp. 1-6). Paper presented at the The American Society of Mechanical Engineers 1998 Congress and Exposition (Noise & Vibration Session), Anaheim.

Ding, J., Leaver, J. D., & Chen, P. (1998). The Reduction of the NE Series Nail Machine Noise Level (Report to Report for Wireplus Ltd.).