Search Results - "Ogwang, Bob"

Projected climate over the Greater Horn of Africa under 1.5 °C and 2 °C global warming by Osima, Sarah, Indasi, Victor S, Zaroug, Modathir, Endris, Hussen Seid, Gudoshava, Masilin, Misiani, Herbert O, Nimusiima, Alex, Anyah, Richard O, Otieno, George, Ogwang, Bob A, Jain, Suman, Kondowe, Alfred L, Mwangi, Emmah, Lennard, Chris, Nikulin, Grigory, Dosio, Alessandro

“…We analyze the potential effect of global warming levels (GWLs) of 1.5 °C and 2 °C above pre-industrial levels (1861−1890) on mean temperature and…”
Get full text

Projected effects of 1.5 °C and 2 °C global warming levels on the intra-seasonal rainfall characteristics over the Greater Horn of Africa by Gudoshava, Masilin, Misiani, Herbert O, Segele, Zewdu T, Jain, Suman, Ouma, Jully O, Otieno, George, Anyah, Richard, Indasi, Victor S, Endris, Hussen Seid, Osima, Sarah, Lennard, Christopher, Zaroug, Modathir, Mwangi, Emmah, Nimusiima, Alex, Kondowe, Alfred, Ogwang, Bob, Artan, Guleid, Atheru, Zachary

“…This study examines the effects of 1.5 °C and 2 °C global warming levels (GWLs) on intra-seasonal rainfall characteristics over the Greater Horn of Africa. The…”
Get full text

Influence of Mascarene High and Indian Ocean dipole on East African extreme weather events by Xing, Li, Ogou, Katchele

“…Extreme weather and climate events such as floods and droughts are common in East Africa, causing huge socio-economic losses. This study links the east African…”
Get full text

Improving Quantitative Rainfall Prediction Using Ensemble Analogues in the Tropics: Case Study of Uganda by Mugume, Isaac, Mesquita, Michel, Bamutaze, Yazidhi, Ntwali, Didier, Basalirwa, Charles, Waiswa, Daniel, Reuder, Joachim, Twinomuhangi, Revocatus, Tumwine, Fredrick, Jakob Ngailo, Triphonia, Ogwang, Bob

“…Accurate and timely rainfall prediction enhances productivity and can aid proper planning in sectors such as agriculture, health, transport and water…”
Get full text

Regional and farm level droughts characteristics for southwestern Uganda during 1981–2017 by Ojara, Moses A., Namumbya, Sylvia, Ogwang, Bob Alex, Limbu, Paul T.S.

“…An increase in drought events associated with rising temperatures indicates that Uganda is facing a growing challenge from climate variability. Despite these…”
Get full text

The Influence of Topography on East African October to December Climate: Sensitivity Experiments with RegCM4 by Gao, Chujie, Li, Xing, Chen, Haishan, Ogwang, Bob Alex

“…The influence of topography on east African climate is investigated using the International Centre for Theoretical Physics Regional Climate Model, with focus…”
Get full text

Climate Change in Rwanda: The Observed Changes in Daily Maximum and Minimum Surface Air Temperatures during 1961–2014 by Ngarukiyimana, Jean Paul, Fu, Yunfei, Sindikubwabo, Celestin, Nkurunziza, Idrissa Fabien, Ogou, Faustin Katchele, Vuguziga, Floribert, Ogwang, Bob Alex, Yang, Yuanjian

“…Rwanda has experienced high temperature rising phenomena over the last decades and hence, highly vulnerable to climate change. This paper examined the spatial…”
Get full text

Dominant atmospheric circulation patterns associated with abnormal rainfall events over Rwanda, East Africa by Ngarukiyimana, Jean Paul, Fu, Yunfei, Yang, Yuanjian, Ogwang, Bob Alex, Ongoma, Victor, Ntwali, Didier

“…ABSTRACT The study investigated the dominant atmospheric circulation patterns associated with abnormal rainfall over Rwanda during the March–May (MAM) rainfall…”
Get full text

Patterns of rainfall and temperature and their relationships with potential evapotranspiration rates over the period 1981–2022 in parts of central, western, southern, and southwestern Uganda by Ojara, Moses A., Babaousmail, Hassen, Aribo, Lawrence, Namumbya, Sylvia, Mumo, Lucia, Ogwang, Bob Alex

“…Uganda in East Africa is experiencing highly variable rainfall which is exacerbated by temperatures warming at faster rates. This study analyzed rainfall and…”
Get full text

Evaluation of the capability of RegCM4.0 in simulating East African climate by Ogwang, Bob Alex, Chen, Haishan, Li, Xing, Gao, Chujie

“…The International Centre for Theoretical Physics (ICTP) regional climate model RegCM4.0 is used in this study to examine its ability to reproduce the climate…”
Get full text

Variability of diurnal temperature range over Pacific Island countries, a case study of Fiji by Ongoma, Victor, Rahman, Mohammad Atiqur, Ayugi, Brian, Nisha, Fhereen, Galvin, Stephen, Shilenje, Zablon Weku, Ogwang, Bob Alex

“…Diurnal temperature range (DTR) is an important index in climate change studies in addition to its influence upon environment and thermal comfort…”
Get full text

Projected changes in East African climate and its impacts on climatic suitability of maize production areas by the mid-twenty-first century by Ojara, Moses A., Yunsheng, Lou, Ongoma, Victor, Mumo, Lucia, Akodi, David, Ayugi, Brian, Ogwang, Bob Alex

“…Maize crop ( Zea mays ) is one of the staple foods in the East African (EA) region. However, the suitability of its production area is threatened by projected…”
Get full text

Evaluation of Drought, Wet Events, and Climate Variability Impacts on Maize Crop Yields in East Africa During 1981–2017 by Ojara, Moses A., Yunsheng, Lou, Babaousmail, Hasssen, Sempa, Alex Kimume, Ayugi, Brian, Ogwang, Bob Alex

“…East African countries (Uganda, Kenya, Tanzania, Rwanda, and Burundi) experience extreme rainfall phenomena such as droughts, floods, or wet events that…”
Get full text

Testing the accuracy of high-resolution satellite-based and numerical model output precipitation products over Ethiopia by Dubache, Getachew, Asmerom, Birhanu, Ullah, Waheed, Ogwang, Bob Alex, Amiraslani, Farshad, Weijun, Zhu, Gul, Chaman

“…The indirect rainfall estimates by satellites and numerical models are the alternative options for the regions lacking enough and accurate ground observations…”
Get full text

The effect of Indian Ocean on Ethiopian seasonal rainfall by Dubache, Getachew, Ogwang, Bob Alex, Ongoma, Victor, Towfiqul Islam, Abu Reza Md

“…Singular value decomposition method is used to investigate the covariability between Ethiopian main rainy season [ Kiremt , June to September (JJAS)] anomalies…”
Get full text

Diagnosis of the 2010 DJF flood over Zambia by Brigadier, Libanda, Ogwang, Bob Alex, Ongoma, Victor, Ngonga, Chilekana, Nyasa, Linda

“…This study diagnoses the circulation anomalies associated with the 2010 December–February (DJF) flood in comparison with the 1992 DJF drought over Zambia…”
Get full text

Diagnosis of East African climate and the circulation mechanisms associated with extreme wet and dry events: a study based on RegCM4 by Ogwang, Bob Alex, Chen, Haishan, Tan, Guirong, Ongoma, Victor, Ntwali, Didier

“…The latest version of the International Centre for Theoretical Physics (ICTP) regional climate model (RegCM4) is used in this study to examine the East African…”
Get full text