Staff Profiles

Director’s Profile

Dr. Nicholas Obuya Mariita

Dr. Nicholas Obuya Mariita

Designation: Snr. Lecturer
Contact: 0723-297-815
School/Institute: Geothermal Training and Research Institute, GeTRI
Dept.: Geothermal Training and Research Institute, GeTRI
Email: nicholas.mariita@dkut.ac.ke

Academic Background

Qualification Institution Year
PhD in Applied Geophysics University of Texas,El Paso 2003
MSc. Applied Geophysics University of Birmingham, UK 1991
BSc. Physics and Maths. University of Nairobi 1983

Professional Qualifications

Qualification Instititution Year
Post Graduate Dip in Geothermal Energy United Nations University, Iceland 1986

Areas of Expertise

  • Geothermal Energy

Publications
1. Mulwa, J. K., and Mariita N.O. 2013. A comparative analysis of gravity and micro-seismic results from Arus-Bogoria geothermal prospect, Kenya. Scholarly Journal of Scientific Research and Essay (SJSRE) Vol. 2(6), pp. 77-84
2. Mariita N. O., and Barasa, J.P., 2014. Environmental & Social Impact Assessment of Geothermal Projects – A Case for Resettlement of Affected Persons at Olkaria IV Project, Naivasha District, Kenya. Journal of Applied Sciences, Engineering and Technology for Development. Resubmitted after corrections.
3. Mariita, N. O., and Keller, G.R., 2007. An Integrated Geophysical Study of the northern Kenya Rift. Journal of African Earth Sciences, Volume 48, Issues 2–3, June 2007, Pages 80–94.
4. Mariita N. O., 2002. The impact of large-scale renewable energy development on the poor: environmental and socio-economic impact of a geothermal power plant on a poor rural community in Kenya. Energy Policy, Vol 30 Issues 11-12, pages 1119-1128.

Papers presented in Conferences, Seminars and Workshops
1. Mariita N. O., 2015. Status and Challenges in Training on Geothermal Energy in Africa. Proceedings of World Geothermal Congress, Melbourne, Australia, 2015.
2. Mariita N. O., 2014. Collaboration between Industry and Universities in Geothermal Energy Training in Africa – a case for Dedan Kimathi University of Technology. Proceedings 5th African Rift Geothermal Conference 2014, Arusha, Tanzania.
3. Mariita N. O., 2012. Bridging the Skills Gap: Addressing the Lack of Technological and Professional Expertise in the Geothermal Sector – Kenya’s Experience. Proceedings 4th African Rift Geothermal Conference 2012, Nairobi, Kenya.
4. Mariita N. O., 2010. An Update on Applications to Direct-uses of Geothermal Energy Development in Kenya. Proceedings World Geothermal Congress, Bali, Indonesia, 2010
5. Mariita N. O., 2008. Contribution to Vision 2030 through Enhanced Geothermal Energy Expansion. Proceedings Kenya Energy Conference, Nairobi, Kenya, 2008.
6. Mariita N. O., 2008. The Role of the Geophysicist in the Geothermal Industry. Proceedings Institute of Engineers in Kenya International Conference, Nairobi, Kenya, 2008.
7. Mariita, N. O., 2007. Status and Overcoming Barriers to Collaborative Research Between KenGen, National Laboratories and Universities. Proceedings Third KenGen Technical Seminar, Nairobi, Kenya, 2007.
8. Mariita N. O., 2000. Application of Precision Gravity Measurement to Reservoir Monitoring of Olkaria Geothermal Field. Proceedings World Geothermal Congress, Kyoto, Japan, 2010.

Other Academic and Professional Achievements

  • I am currently the Executive Officer of the Geothermal Association of Kenya.
  • I have been a team member of organizing committees for local and international conferences and seminars
  • I coordinated the annual Short Course on exploration for geothermal resources, sponsored by the United Nations University between 2005 and 2012
  • Between 2006 and 2012 I was in charge of consultancy geothermal exploration works contracted to KenGen in Djibouti, The Comoros, Uganda and Rwanda.

Research
a)Ongoing/Completed Researches
-GeoPower Africa
-Health, Water and Sanitation
-Energy efficiency and cost effective power generation
-Post Graduate training in Engineering programs

b) Research funding:

Period  Research  Area Brief Project Description Financiers Amount (USD)
2014-

2017

GeoPower Africa Identifying and mapping low enthalpy geothermal areas along the EAR for small scale power generation for rural communities. USAID 300,000
2013-

2016

Health,   Water and Sanitation Understanding the Environment and promoting health in Lake Baringo/Bogoria Drainages Basin Kenya National Council of Science Technology and Innovation 70,000
2012-

2015

Energy efficiency and cost effective power generation Improved Geothermal discharge facility with low noise generation and reduced brine carryover Kenya National Council of Science Technology and Innovation 117,000
2014-

2017

Post Graduate training in Engineering programs Training of academic staff in Public Universities, Public Technical Training institutions and Corporations. I drafted a successful bid for DeKUT African Development Bank through the Ministry of Education, Science & Technology 1,000,000

Postgraduate Thesis Supervision and Examination
i)    Doctorate
Josephat Mulwa Kyalo Josephat (2011) – University of Nairobi – dissertation entitled “Integrated geophysical studies of the Lake Bogoria Geothermal Prospect”.

ii)    Masters
1. Sirma Chebet Ruth – Egerton University (2015) – thesis entitled “An Integrated Analysis of the Geothermal Potential of the North West Olkaria Field using Magnetotelluric (MT) and Transient Electromagnetics (TEM)”.
2. Muthuuri Mathew Arthur – Dedan Kimathi University of Technology (2015) – “Three Dimensional Inversion of MT Resistivity Data to Image Geothermal Systems: Case Study, Korosi Geothermal Prospect”.
3. Namaswa Solomon – Dedan Kimathi University of Technology (2015) – “Characterization of Natural Radioactivity Systematics In Olkaria Geothermal System: Environmental Implications”.
4. Gichira Joseph Muthii – Dedan Kimathi University of Technology (2015) – “Identifying Permeability Controls By Use Of Gravity 5. Mwakirani Raymond Mwalugha – Dedan Kimathi University of Technology (2015) -“Resistivity Imaging of Geothermal Resources Using 1D and 3D MT Inversion – Case Study Suswa Volcano, Kenya”.
5. Omiti Ammon Ojwang – Dedan Kimathi University of Technology (2015) – “Investigation of Geological Structures using Electromagnetic and Gravity Methods on Petrel Platform”
6. Nahshon Nyambane – University of Nairobi (2014) – Thesis entitled “Optimization of Olkaria II Geothermal Power Plant by Hybridization of Cooling System through Energy and Exergy Concepts”.
7. Namaswa Solomon Wangila – Kenyatta University (2012) – thesis entitled – “Mapping of Nakaporon Fault in Korosi Geothermal Prospect”.
8. Abuga Vincent – Kenyatta University (2011) – Thesis entitled “Geophysical Investigation of Mbeu Iron Ore deposit in Meru County using gravity method”.
9. Langat Kipkemoi Geofrey – Kenyatta University (2011) – thesis entitled “Gravity survey for Geothermal Exploration in Menengai area, Kenya”.
10. Daniel Saitet – Jomo Kenyatta University of Agriculture and Technology (2011) – thesis entitled “Conceptual Model of Menengai Geothermal Prospect –an update from new MT and TEM data”.
11. Nganga B. Wangombe – Kenyatta University (2011) – thesis entitled “Estimation of fracture parameters using thermal decay of flourescene numerical modeling”
12. Moustapha Kassim – Kenyatta University (2011) – thesis entitled “Magnetic studies of iron ore mineral deposits in Mbeu area, Meru County.
13. Adero Otieno – University (2011) – thesis entitled “Investigations into the permeability and tectonic lineaments of Homa Hills geothermal prospect using magnetic method.
14. Odek Antony – Kenyatta University (2010) – thesis entitled “Mapping Geothermal Heat Source in Homa Hills using gravity technique.
15. Kemei Kiprotich Josephat- Kenyatta University (2010) – thesis entitled “Ground Magnetic survey for Geothermal Exploration in Menengai area, Kenya”.

 

Other University and National Responsibilities

  • Director, GeTRI
  • PI, Geopower Africa

Research Interests
Applied Geophysics/Energy/Geothermal

Affiliation/Membership to Professional Bodies

  • Ordinary member of the International Geothermal Association
  • Ordinary member of the Geothermal Association of Kenya
  • Ordinary member of the Geological Society of America
  • Ordinary member of the Society of Exploration Geophysicists