Items where Author is "Ongoma, Victor"

Journal Article

Fong, Stephanie and Rana, Rubina and Pratap, Arti and Ongoma, Victor (2022) Assessment of Thermal Discomfort Variation in Fiji’s Major Urban Centers. Papers in Applied Geography, 8 (2). pp. 235-247. ISSN 2375-494X

Kumar, Satendra and Islam, Abu R. and Hasanuzzaman, Md. and Ongoma, Victor and Khan, Rahat and Mallick, Javed (2021) Water resources pollution associated with risks of heavy metals from Vatukoula Goldmine region, Fiji. Journal of Environmental Management, 293 . NA. ISSN 0301-4797

Tan, Guirong and Ayugi, Brian and Ngoma, Hamida and Ongoma, Victor (2020) Projections of future meteorological drought events under representative concentration pathways (RCPs) of CMIP5 over Kenya, East Africa. Atmospheric Research, 246 . pp. 1-13. ISSN 0169-8095

Ongoma, Victor and Rahman, M.A. and Ayugi, Brian and Nisha, Fhereen and Galvin, Stephen and Shilenje, Zablon and Ogwang, Bob (2020) Variability of diurnal temperature range over Pacific Island countries, a case study of Fiji. Meteorology and Atmospheric Physics, N/A . NA. ISSN 0177-7971

Ayugi, Brian and Tan, Guirong and Niu, Rouyun and Dong, Zeyao and Ojara, Moses and Mumo, Lucia and Babaousmail, Hassen and Ongoma, Victor (2020) Evaluation of meteorological drought and flood scenarios over Kenya, East Africa. Atmosphere, 11 (3). pp. 1-20. ISSN 2073-4433

Rigden, Angela and Ongoma, Victor and Huybers, Peter (2020) Kenyan tea is made with heat and water: how will climate change influence its yield? Environmental Research Letters, 15 (4). pp. 1-8. ISSN 1748-9326

Ayugi, Brian and Tan, Guirong and Ruoyun, Niu and Babaousmail, Hassen and Ojara, Moses and Wido, Hanggoro and Mumo, Lucia and Ngoma, Nadoya and Nooni, Isaac and Ongoma, Victor (2020) Quantile mapping bias correction on Rossby Centre Regional Climate Models for precipitation analysis over Kenya, East Africa. Water, 12 (3). pp. 1-16. ISSN 2073-4441

Ayugi, Brian and Tan, Guirong and Gnitou, Gnim T. and Ojara, Moses and Ongoma, Victor (2020) Historical evaluations and simulations of precipitation over East Africa from Rossby centre regional climate model. Atmospheric Research, 232 (104705). pp. 1-17. ISSN 0169-8095

Nyongesa, Aston and Zeng, Gang and Ongoma, Victor (2020) Non - homogeneous hidden Markov model for downscaling of short rains occurrence in Kenya. Theoretical and Applied Climatology, 139 . pp. 1333-1347. ISSN 0177-798X

Shilenje, Zablon W. and Ongoma, Victor and Njagi, Mercy (2019) Applicability of combined drought index in drought analysis over North Eastern Kenya. Natural Hazards, 2019 . pp. 1-11. ISSN 0921-030X

Esayas, Befikadu and Simane, Belay and Teferi, Ermias and Ongoma, Victor and Tefera, Nigussie (2019) Climate variability and farmers’ perception in Southern Ethiopia. Advances in Meteorology, 2019 (734146). pp. 1-19. ISSN 1687-9309

Polong, Francis and Chen, Haishan and Sun, Sanlei and Ongoma, Victor (2019) Temporal and spatial evolution of the standard precipitation evapotranspiration index (SPEI) in the Tana River Basin, Kenya. Theoretical and Applied Climatology, NA . pp. 1-16. ISSN 0177-798X

Dubache, Getachew and Ogwang, Bob and Ongoma, Victor and Islam, Abu R. (2019) The effect of Indian Ocean on Ethiopian seasonal rainfall. Meteorology and Atmospheric Physics, NA . pp. 1-9. ISSN 0177-7971

Ayugi, Brian and Tan, Guirong and Ullah, Waheed and Boiyo, Richard and Ongoma, Victor (2019) Inter - comparison of remotely sensed precipitation datasets over Kenya during 1998 - 2016. Atmospheric Research, 225 . pp. 96-109. ISSN 0169-8095

Ongoma, Victor and Chen, Haishan and Gao, Chujie (2019) Evaluation of CMIP5 twentieth century rainfall simulation over the equatorial East Africa. Theoretical and Applied Climatology, 135 (3-4). pp. 893-910. ISSN 0177-798X

Esayas, Befikadu and Simane, Belay and Teferi, Ermias and Ongoma, Victor and Tefera, Nigussie (2018) Trends in extreme climate events over three Agroecological Zones of Southern Ethiopia. Advances in Meteorology, NA . NA. ISSN 1687-9309

Ayugi, Brian and Tan, Guirong and Ongoma, Victor and Mafuru, Kantamla (2018) Circulations associated with trends of Boreal Spring Rainfall over Kenya. Earth Systems and Environment, 2 (2). pp. 421-434. ISSN 2509-9426

Ongoma, Victor and Chen, Haishan and Gao, Chujie and Sagero, Phillip (2018) Variability of temperature properties over Kenya based on observed and reanalyzed datasets. Theoretical and Applied Climatology, 133 (3-4). pp. 1175-1190. ISSN 0177-798X

Gao, Chujie and Chen, Haishan and Sun, Shanlei and Xu, Bei and Ongoma, Victor and Zhu, Siguang and Ma, Hedi and Li, Xing (2018) Regional features and seasonality of land – atmosphere coupling over Eastern China. Advances in Atmospheric Sciences, 35 (6). pp. 689-701. ISSN 0256-1530

Ongoma, Victor and Chen, Haishan and Gao, Chujie (2018) Projected changes in mean rainfall and temperature over East Africa based on CMIP5 models. International Journal of Climatology, 38 (3). pp. 1375-1392. ISSN 0899-8418

Rahman, Mohammad and Yunsheng, Lou and Sultana, Nahid and Ongoma, Victor (2018) Analysis of reference evapotranspiration (ET0) trends under climate change in Bangladesh using observed and CMIP5 data sets. Meteorology and Atmospheric Physics, NA . pp. 1-17. ISSN 0177-7971

Gao, Chujie and Chen, Haishan and Sun, Shanlei and Ongoma, Victor and Hua, Wenjian and Ma, Hedi and Xu, Bei and Li, Yang (2018) A potential predictor of multi - season droughts in Southwest China: soil moisture and its memory. Natural Hazards, 91 (2). pp. 553-566. ISSN 0921-030X

Ngarukiyimana, Jean and Fu, Yunfei and Yang, Yuanjian and Ogwang, Bob and Ongoma, Victor and Ntwali, Didier (2018) Dominant atmospheric circulation patterns associated with abnormal rainfall events over Rwanda, East Africa. International Journal of Climatology, 38 (1). pp. 187-202. ISSN 0899-8418

Ongoma, Victor and Chen, Haishan and Gao, Chujie and Nyongesa, Aston and Polong, Francis (2018) Future changes in climate extremes over Equatorial East Africa based on CMIP5 multimodel ensemble. Natural Hazards, 90 (2). pp. 901-920. ISSN 0921-030X

Ongoma, Victor and Chen, Haishan and Omony, George (2018) Variability of extreme weather events over the equatorial East Africa, a case study of rainfall in Kenya and Uganda. Theoretical and Applied Climatology, 131 (1-2). pp. 295-308. ISSN 0177-798X

Ongoma, Victor (2018) Socio - economic and environmental analysis of wind power projects as viable renewable energy resources in Kenya. African Journal of Science, Technology, Innovation and Development, 10 (5). pp. 525-538. ISSN 2042-1338

Shilenje, Z.W. and Thiong'o, K. and Ongoma, Victor and Phillip, S.O. and Nguru, P. and Ondimu, K. (2016) Roadside air pollutants along elected roads in Nairobi City, Kenya. Journal of Geology & Geophysics, 5 (5). pp. 1-10. ISSN 2381-8719

Ogwang, Bob and Nimusiima, Alex and Tindamanyire, Teddy and Serwanga, Margaret and Ayesiga, Godwin and Ojara, Moses and Ssebabi, Fred and Gugwa, Gordon and Nsubuga, Yusuf and Atim, Rhoda and Kibwika, Rober and Balikudembe, Joseph and Kikonyogo, Herbert and Kalema, Abubakar and Ongoma, Victor and Taire, A. and Kiryhabwe, A. and Semujju, M. and Einyu, F. and Kituusa, R. and Aribo, L. (2016) Characteristics and changes in SON rainfall over Uganda (1901-2013). Journal of Environmental and Agricultural Sciences, 8 . pp. 45-53. ISSN 2313-8629

Sagero, Philip and Shisanya, Chris and Ongoma, Victor and Shilenje, Zablon (2016) Numerical simulation of weather over Kenya using Weather Research and Forecasting - Environmental Modelling System (WRF-EMS). Geographica Pannonica, 20 (2). pp. 51-61. ISSN 0354-8724

Ongoma, Victor and Chen, Haishan (2016) Temporal and spatial variability of temperature and precipitationover East Africa from 1951 to 2010. Meteorology and Atmospheric Physics, 129 (2). pp. 131-144. ISSN 0177-7971

Ntwali, Didier and Ogwang, Bob and Ongoma, Victor (2016) The impacts of topography on spatial and temporal rainfall distribution over Rwanda based on WRF model. Atmospheric and Climate Sciences, 6 (2). pp. 145-157. ISSN 2160-0414

Ongoma, Victor and Muange, Pamela and Shilenje, Zablon (2016) Potential effects of urbanization on urban thermal comfort, a case study of Nairobi City, Kenya: a review. Geographica Pannonica, 20 (1). pp. 19-31. ISSN 0354-8724

Brigadier, Libanda and Ogwang, Bob and Ongoma, Victor and Ngonga, Chilekana and Nyasa, Linda (2016) Diagnosis of the 2010 DJF flood over Zambia. Natural Hazards, 81 (1). pp. 189-201. ISSN 0921-030X

Ogou , F.K. and Batebana, K. and Ogwang, B.A. and Sein, Z.M.M. and Ongoma, Victor and Ngarukiyimana, J.P. (2016) Investigation of the influence of Atlantic Ocean on rainfall variability over Benin. Ethiopian Journal of Environmental Studies and Management, 9 (1). pp. 70-79. ISSN 1998-0507

Ongoma, Victor and Shilenje, Zablon (2016) The effectiveness of agrometeorological information in the realization of Kenya’s Vision 2030; lessons learnt from China. Italian Journal of Agrometeorology, 21 (1). pp. 67-72. ISSN 2038-5625

Ngarukiyimana, Jean and Tan, Guirong and Ongoma, Victor and Ogwang, Bob and Vuguziga, Floribert (2016) Application of Z - index in analysis of recent March - May drought over Rwanda. Romanian Journal of Meteorology, 13 (1-2). pp. 1-16. ISSN 2284-6220

Ogwang, Bob and Ongoma, Victor and Gitau, Wilson (2016) Contributions of Atlantic Ocean to June - August rainfall over Uganda and Western Kenya. Journal of the Earth and Space Physics, 41 (4). pp. 131-140. ISSN 0378-1046

Batebana, K. and Ogwang, Bob and Sein, M.M.Z. and Ogou, F.K. and Ongoma, Victor and Ngarukiyimana, Jean (2016) Investigation of the atmospheric circulation anomalies associated with extreme rainfall events over the coastal West Africa. Journal of the Earth and Space Physics, 41 (4). pp. 141-149. ISSN 0378-1046

Batebana, Kpaikpai and Ogwang, Bob and Sein, Z.M.M. and Ogou, Faustin K. and Ongoma, Victor and Ngarukiyimana, Jean P. (2015) Rainfall characteristics over Togo and their related atmospheric circulation anomalies. Journal of Environmental and Agricultural Sciences, 5 . pp. 34-48. ISSN 2313-8629

Onyango, A. and Ongoma, Victor (2015) Estimation of mean monthly global solar radiation using clear sky solar radiation and sunshine hour for Nairobi City, Kenya. Journal of Renewable and Sustainable Energy, 7 . pp. 1-11. ISSN 1941-7012

Shilenje, Zablon and Thiong’o, Kennedy T. and Ondimu, Kennedy I. and Nguru, Paul M. and Nguyo, John and Ongoma, Victor and Mukola, Joseph and Ogwang, Bob and Tirok, Caroline and Apondo, William (2015) Ambient air quality monitoring and audit over Athi River Township, Kenya. International Journal of Scientific Research in Environmental Sciences, 3 (8). pp. 291-301. ISSN 2322-4983

Shilenje, Z.W. and Murage , P. and Ongoma, Victor (2015) Estimation of Potential Evaporation Based on Penman Equation under Varying Climate, for Murang’a County, Kenya. Pakistan Journal of Meterology, 12 (23). pp. 33-42. ISSN 1810-3979

Ogwang, Bob and Ongoma, Victor and Xing, Li and Ogou, Faustin (2015) Influence of Mascarene high and Indian Ocean dipole on East African extreme weather events. Geographica Pannonica, 19 (2). pp. 64-72. ISSN 0354-8724

Ogwang, Bob and Chen, Haishan and Guirong, Tan and Ongoma, Victor and Ntwali, Didier (2015) Diagnosis of East African climate and the circulation mechanisms associated with extreme wet and dry events: a study based on RegCM4. Arabian Journal of Geosciences, 8 (12). pp. 10255-10265. ISSN 1866-7511

Shilenje, Z.W. and Ongoma, Victor and Ogwang, Bob (2015) Relationship between the North Atlantic Oscillation Index and October - December rainfall variability over Kenya. Journal of Geology & Geophysics, 4 (3). pp. 1-5. ISSN 2381-8719

Islam, A.R.M.T. and Sein, Z.M.M. and Ongoma, Victor and Islam, M.S. and Alam, M.F. and Ahmed, Farid (2015) Geomorphological and land use mapping: a case study of Ishwardi under Pabna District, Bangladesh. Advances in Research, 4 (6). pp. 378-387. ISSN 2348-0394

Shilenje, Z.W. and Ongoma, Victor and Ogwang, Bob (2015) Upper tropospheric and stratospheric ozone over equatorial East Africa; case study of Nairobi County, Kenya. Ethiopian Journal of Environmental Studies and Management, 8 (3). pp. 290-300. ISSN 1998-0507

Mugisha, Emmy and Ogwang, Bob and Ongoma, Victor and Zhang, Gongxuan (2015) A secured automatic notification system based on short message service. International Journal for Information Security Research, 5 (1). pp. 546-550. ISSN 2042-4639

Ongoma, Victor and Tan, Guirong and Ogwang, Bob and Ngarukiyimana, Jean (2015) Diagnosis of seasonal rainfall variability over East Africa: a case study of 2010 - 2011 drought over Kenya. Pakistan Journal of Meteorology, 11 (22). pp. 13-21. ISSN 1810-3979

Oundo, Kizito and Ongoma, Victor (2015) Fog and low level stratus forecasting using satellite products; a case study of Jomo Kenyatta International Airport, Kenya. Pakistan Journal of Meteorology, 11 (22). pp. 49-56. ISSN 1810-3979

Otieno, Sheilla A. and Wamalwa, Benson M. and Onyango, Nelson O. and Ottieno, Joseph A.M. and Ongoma, Victor (2015) Comparison of least absolute shrinkage and selection operator and maximum likelihood estimators to establish determinants of immunization in Trans - Nzoia County. Journal of Social and Economic Statistics, 4 (1). pp. 29-45. ISSN 2285-388X

Sein, Z.M.M. and Ogwang, Bob and Ongoma, Victor and Ogou, F.K. and Batebana, K. (2015) Inter - annual variability of May - October rainfall over Myanmar in relation to IOD and ENSO. Journal of Environmental and Agricultural Sciences, 4 . pp. 28-36. ISSN 2313-8629

Ongoma, Victor and Otieno, Sheilla Aoko and Onyango, A. (2015) Investigation of the possible influence of Urbanization on Rainfall Variability over Nairobi City, Kenya. Momona Ethiopian Journal of Science, 7 (2). pp. 222-239. ISSN 2220-184X

Sheilla, Otieno A. and Wamalwa, Benson M. and Onyango, Nelson O. and Ottieno, Joseph A.M. and Ongoma, Victor (2015) The role of agri - business incentive on under - five child immunization in Trans - Nzoia County. East African Journal of Public Health, 12 (2). pp. 1054-1059. ISSN 0856-8960

Ongoma, Victor and Otieno, George and Omondi, Onyango (2014) An investigation of the transport and dispersion of atmospheric pollutants over Nairobi City. Journal of Environmental and Agricultural Sciences, 1 (10). pp. 1-10. ISSN 2313-8629

Shilenje, Zablon and Ongoma, Victor (2014) Observed surface ozone trend in the year 2012 over Nairobi, Kenya. Atmósfera, 27 (4). pp. 377-384. ISSN 0187-6236

Otieno, G.L. and Opijah, F.J. and Mutemi, J.N. and Ogallo, L.A. and Anyah, R.O. and Ongoma, Victor and Sabiiti, G. (2014) Seasonal rainfall forecasting using the multi - model ensemble technique over the greater Horn of Africa. International Journal of Physical Sciences, 2 (6). 095-104. ISSN 2331-1827

Ongoma, Victor and Onyango, A. (2014) A review of the future of tourism in coastal Kenya: the challenges and opportunities posed by climate change. Journal of Earth Science & Climatic Change, 5 (7). pp. 1-4. ISSN 2157-7617

Ngaina, Joshua and Muthama, J.N. and Opere, Alfred and Ininda, J.M. and Ng’etich, C.K. and Ongoma, Victor and Mutai, B.K. (2014) Potential of harvesting atmospheric water over urban cities in Kenya. International Journal of Physical Sciences, 2 (5). pp. 69-75. ISSN 2331-1827

Ongoma, Victor (2013) A review of the effects of climate change on occurrence of aflatoxin and its impacts on food security in semi - arid areas of Kenya. International Journal of Agricultural Science Research, 2 (11). pp. 307-311. ISSN 2327-3321

Ongoma, Victor and Muthama, N.J. and Gitau, W. (2013) Evaluation of urbanization influences on urban winds of Kenyan cities. Ethiopian Journal of Environmental Studies and Management, 6 (3). pp. 223-231. ISSN 1998-0507

Ongoma, Victor and Muthama, John and Gitau, Wilson (2013) Evaluation of urbanization influences on urban temperature of Nairobi City,Kenya. Global Meteorology, 2 (1). pp. 1-5. ISSN 2038-9639

Ongoma, Victor and Muthama, J.N. and Ng'ang'a, J.K. (2010) Effects of urbanization on climate of Nairobi City. Journal Meteorology and Related Sciences, 4 . pp. 49-60. ISSN 1995-9834

Other

Ongoma, Victor and Ngaina, Joshua (2018) Past and projected changes in rainfall and temperature over East Africa. UNSPECIFIED.