Department of Environmental and Biosystems Engineering, University of Nairobi, Nairobi, Kenya - Articles

Diesel Engine Emissions and Performance Characteristics under Cape Chestnut Biofuel (Articles)

Jedidah W. Maina, Ayub N. Gitau, James A. Nyang’aya

Journal of Power and Energy Engineering Vol.1 No.6，November 25, 2013

DOI: 10.4236/jpee.2013.16002 4,143 Downloads 7,034 Views Citations
Review of Soil Water Retention Characteristic (SWRC) Models between Saturation and Oven Dryness (Articles)

Vitalis K. Too, Christian T. Omuto, Elijah K. Biamah, John P. Obiero

Open Journal of Modern Hydrology Vol.4 No.4，October 21, 2014

DOI: 10.4236/ojmh.2014.44017 8,171 Downloads 10,360 Views Citations
The Effect of the Operational Parameters on the Draft Requirement of Ripping in a Sandy Clay Soil (Articles)

John Ndisya, Ayub Gitau, Duncan Mbuge, Angela Hiuhu

Open Journal of Optimization Vol.5 No.1，March 3, 2016

DOI: 10.4236/ojop.2016.51001 2,875 Downloads 3,894 Views Citations
Determination of Irrigation Supply Efficiency in Challenging Environment Case Study of Bal’ad District, Middle Shabelle Region in Somalia (Articles)

Abdirashid A. Omar, Christian Omuto, Stephen Ondieki

Computational Water, Energy, and Environmental Engineering Vol.8 No.1，January 9, 2019

DOI: 10.4236/cweee.2019.81001 1,173 Downloads 2,570 Views Citations
Suitability of Soil Water Retention Characteristic Models (SWRC) in Regions and Soil Depth (Articles)

Vitalis K. Too, Christian T. Omuto, Elijah K. Biamah, John P. O. Obiero

Journal of Water Resource and Protection Vol.11 No.6，June 26, 2019

DOI: 10.4236/jwarp.2019.116044 729 Downloads 1,709 Views Citations
Optimization of Specific Draft Requirement and Hitch Length for an Animal Drawn Sub-Soiler: A Case of Sandy Clay Loam Soils (Articles)

Nicodemus K. Mwonga, Ayub N. Gitau, Joackim M. Mutua, Simon T. Mwangi

Open Journal of Optimization Vol.8 No.3，September 9, 2019

DOI: 10.4236/ojop.2019.83008 431 Downloads 1,324 Views Citations
Assessment of Super Absorbent Polymer (SAP) on Plant Available Water (PAW) in Dry Lands (Articles)

Vincent Ng’eno, Christian Omuto, Duncan Mbuge, Vitalis Too

Engineering Vol.15 No.2，February 17, 2023

DOI: 10.4236/eng.2023.152008 139 Downloads 673 Views Citations
Micro Hydro Potential Modelling: Integrating GIS into Energy Alternatives for Climate Change Mitigation (Articles)

Gerald C. K. Chelelgo, David N. Siriba, Elijah K. Biamah

Journal of Geoscience and Environment Protection Vol.4 No.8，August 25, 2016

DOI: 10.4236/gep.2016.48005 2,544 Downloads 4,222 Views Citations
Optimization of the Angle of Frog in Mouldboard Tillage Operations in Sandy Clay Soil (Articles)

Angela Hiuhu, Ayub Njoroge Gitau, Duncan Onyango Mbuge, John Ndisya Mulwa

Open Journal of Optimization Vol.4 No.4，December 11, 2015

DOI: 10.4236/ojop.2015.44013 4,061 Downloads 5,249 Views Citations
Optimizing the Performance of a Manually Operated Groundnut (Arachis hypogaea) Decorticator (Articles)

A. N. Gitau, P. Mboya, B. N. K. Njoroge, M. Mburu

Open Journal of Optimization Vol.2 No.1，March 29, 2013

DOI: 10.4236/ojop.2013.21004 8,910 Downloads 18,041 Views Citations
Development of Pedotransfer Functions for Saturated Hydraulic Conductivity (Articles)

John P. O. Obiero, Lawrence O. Gumbe, Christian T. Omuto, Mohammed A. Hassan, Januarius O. Agullo

Open Journal of Modern Hydrology Vol.3 No.3，July 9, 2013

DOI: 10.4236/ojmh.2013.33019 4,784 Downloads 7,894 Views Citations
Application of Geographic Information Systems in Groundwater Prospecting: A Case Study of Garissa County, Kenya (Articles)

Christopher N. Muhwanga, John P. O. Obiero, Faith N. Karanja

Journal of Geographic Information System Vol.10 No.4，August 23, 2018

DOI: 10.4236/jgis.2018.104023 1,151 Downloads 3,503 Views Citations
The Implication of Unreliable Urban Water Supply Service: The Case of Vendor Water Cost in Langata Sub County, Nairobi City, Kenya (Articles)

E. A. Ochungo, G. O. Ouma, J. P. O. Obiero, N. A. Odero

Journal of Water Resource and Protection Vol.11 No.7，July 31, 2019

DOI: 10.4236/jwarp.2019.117055 1,555 Downloads 3,634 Views Citations
Comparing Pre-Paid Communal Water Metering and Delegated Management in Urban Poor Setting: Case Studies in Nakuru and Kisumu in Kenya (Articles)

Robert Hanjahanja, Christian Omuto, Elijah Biamah

Current Urban Studies Vol.6 No.4，November 19, 2018

DOI: 10.4236/cus.2018.64026 705 Downloads 1,891 Views Citations
Influence of Land Cover Changes and Climatic Variability on Discharge Regime of Njoro River Catchment in Kenya (Articles)

Kennedy Kitonga Mwetu

Open Access Library Journal Vol.6 No.7，July 10, 2019

DOI: 10.4236/oalib.1105461 391 Downloads 1,139 Views Citations
Drought Impacts on Community Livelihoods in the Upper Ewaso Ng’iro Basin, Kenya (Articles)

Bancy Mati, Amos Karithi, June Kimaiyo

Journal of Geoscience and Environment Protection Vol.11 No.12，December 19, 2023

DOI: 10.4236/gep.2023.1112005 94 Downloads 600 Views Citations
Implications of Dynamic Interactions between Meteorological Patterns and Surface Water Quality on Environmental Health—A Case Study of the Nairobi River (Articles)

Haron Safari, Hongbin Chen, Edwin Lagat, Duncan Mbuge

Journal of Geoscience and Environment Protection Vol.12 No.5，May 24, 2024

DOI: 10.4236/gep.2024.125008 76 Downloads 369 Views Citations
Mesophilic Process and Kinetics Studies of Selected Biomolecules as Potential Enhancers of Biomethanization of Cow Dung in an Anaerobic Tubular Batch Reactor (Articles)

Paul Njogu, Francis Xavier Ochieng, Benard Ogembo, Stephen Ondimu, Christopher Kanali, Erick Ronoh, Daniel Omondi, Hiram Ndiritu

Energy and Power Engineering Vol.14 No.3，March 30, 2022

DOI: 10.4236/epe.2022.143007 176 Downloads 722 Views Citations
Magnitudes of Climate Variability and Changes over the Arid and Semi-Arid Lands of Kenya between 1961 and 2013 Period (Articles)

Jully O. Ouma, Luke O. Olang, Gilbert O. Ouma, Christopher Oludhe, Laban Ogallo, Guleid Artan

American Journal of Climate Change Vol.7 No.1，February 14, 2018

DOI: 10.4236/ajcc.2018.71004 1,753 Downloads 4,129 Views Citations
Effect of Gum Arabic as Partial Replacement of Cement on the Durability Properties of Compressed Laterite Blocks (Articles)

Alladjo Rimbarngaye, John Nyiro Mwero, Erick Kiplangat Ronoh

Open Journal of Civil Engineering Vol.11 No.4，November 23, 2021

DOI: 10.4236/ojce.2021.114023 324 Downloads 1,815 Views Citations

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