College 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 4,222 Downloads 7,160 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 8,310 Downloads 10,543 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 2,927 Downloads 3,971 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 1,218 Downloads 2,677 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 767 Downloads 1,812 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 462 Downloads 1,390 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 177 Downloads 799 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 2,571 Downloads 4,295 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 4,112 Downloads 5,374 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 9,019 Downloads 18,177 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 4,829 Downloads 7,987 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 1,207 Downloads 3,773 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 Kipkirui, Duncan Mbuge

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

DOI: 10.4236/gep.2024.125008 113 Downloads 517 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 1,646 Downloads 3,823 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 145 Downloads 739 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 743 Downloads 2,001 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 418 Downloads 1,216 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 212 Downloads 802 Views Citations
Mining Impacts on Society: A Case Study of Taita Taveta County, Kenya (Articles)

Irene Wakio Mwakesi, Raphael Githaiga Wahome, Daniel Weru Ichang’i

Journal of Environmental Protection Vol.11 No.11，November 25, 2020

DOI: 10.4236/jep.2020.1111062 817 Downloads 4,208 Views Citations
Analysis of Hay Demand from Pastoralism Systems on Viability of Hay Production as a Climate Adaptation Strategy in Kajiado County, Kenya (Articles)

Judy Kimaru, Henry Mutembei, John Kaunga Muthee

Agricultural Sciences Vol.12 No.10，October 12, 2021

DOI: 10.4236/as.2021.1210070 285 Downloads 1,237 Views Citations

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