Search Results - "Ogunjo, Samuel"

Characterizing river discharge along River Niger using complexity–entropy causality plane by Ogunjo, Samuel

“…Water resources planning and management is critical for socio-economic, conflict resolution, and agricultural purposes within the Niger Basin. Understanding…”
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Validation and Calibration of Tropospheric Wet Delay Models over Nigeria Using GPS Data by Ogunjo, Samuel, Dada, Joseph

“…Tropospheric delay play a critical role in satellite communication. Due to lack of measuring instruments, tropospheric wet delays are often estimated using…”
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Signature of teleconnection patterns in river discharge within the Niger Basin by Ogunjo, Samuel, Olusola, Adeyemi

“…Teleconnection patterns play critical roles in the climate of West Africa. However, their role in river dynamics within the Niger Basin has not been adequately…”
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Evolving Patterns in Irrational Numbers Using Waiting Times between Digits by Ogunjo, Samuel, Kantz, Holger

“…There is an increasing interest in determining if there exist observable patterns or structures within the digits of irrational numbers. We extend this search…”
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Advanced Marine Predator Algorithm for Circular Antenna Array Pattern Synthesis by Owoola, Eunice Oluwabunmi, Xia, Kewen, Ogunjo, Samuel, Mukase, Sandrine, Mohamed, Aadel

“…The pattern synthesis of antenna arrays is a substantial factor that can enhance the effectiveness and validity of a wireless communication system. This work…”
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Spatial Dynamical Complexity of Precipitation and Temperature Extremes over Africa and South America by Ogunjo, Samuel, Fuwape, Ibiyinka, Oluyamo, Sunday, Rabiu, Babatunde

“…This study investigates the linear and nonlinear dynamics of precipitation and temperature extremes. Monthly daily temperature range (DTR) and maximum 5-day…”
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Chaotic signature of climate extremes by Fuwape, Ibiyinka, Oluyamo, Sunday, Rabiu, Babatunde, Ogunjo, Samuel

“…Understanding the dynamics of climate extremes is important in its prediction and modelling. In this study, linear trends in percentile, threshold, absolute,…”
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Predicting River Discharge in the Niger River Basin: A Deep Learning Approach by Ogunjo, Samuel, Olusola, Adeyemi, Olusegun, Christiana

“…Across West Africa, the River Niger is a major source of freshwater. In addition, the river system also provides services such as aquaculture, transportation,…”
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Imprints of large‐scale climate oscillations on river flow in selected Canadian river catchments by Olusola, Adeyemi, Ogunjo, Samuel, Olusegun, Christiana F.

“…We investigated the impacts of six major climate oscillations on river flow at three stations within the Humber catchments (located in Ontario, ON and…”
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Temporal variation in deterministic chaos: the influence of Kainji dam on downstream stations along lower Niger River by Ogunjo, Samuel, Olusola, Adeyemi, Fuwape, Ibiyinka, Durowoju, Olufemi

“…Complex systems such as river flow do not obey the law of linearity but most often than not behave in a nonlinear manner. In this study, the dynamics of the…”
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Association Between Weather Parameters and SARS‐CoV‐2 Confirmed Cases in Two South African Cities by Ogunjo, Samuel, Olusola, Adeyemi, Orimoloye, Israel

“…Several approaches have been used in the race against time to mitigate the spread and impact of COVID‐19. In this study, we investigated the role of…”
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Investigating chaotic features in solar radiation over a tropical station using recurrence quantification analysis by Ogunjo, Samuel T., Adediji, Adekunle T., Dada, Joseph B.

“…The use of solar energy for power generation and other uses is on the increase. This demand necessitate a better understanding of the underlying dynamics for…”
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Complexity of air temperature along different altitudes of the troposphere over Nigeria by Oluwayemi, Akinsusi Joshua, Agboola, Fuwape Ibiyinka, Oke, Adelakun Adedayo, Toluwalope, Ogunjo Samuel

“…Complex processes occurring across different layers of the atmosphere govern weather events at the surface. Understanding these complexities as they unfold…”
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Tropospheric delay in microwave propagation in Nigeria by Ogunjo, Samuel, Dada, Joseph, Oluyamo, Sunday, Fuwape, Ibiyinka

“…Satellite communication systems suffer from the systematic error of tropospheric delay. Accurate estimation of this delay is essential for communication budget…”
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Quantification of scaling exponents and dynamical complexity of microwave refractivity in a tropical climate by Fuwape, Ibiyinka A., Ogunjo, Samuel T.

“…Radio refractivity index is used to quantify the effect of atmospheric parameters in communication systems. Scaling and dynamical complexities of radio…”
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The Development of an Enhanced Biomass Gasifier Stove by Adedayo, Kayode, Owoola, Eunice, Ogunjo, Samuel

“…The demand for clean and safe energy has necessitated alternative to fossil fuels. This work focuses on the design, development and construction of a…”
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Phase synchronization between tropospheric radio refractivity and rainfall amount in a tropical region by Fuwape, Ibiyinka A., Ogunjo, Samuel T., Dada, Joseph B., Ashidi, Gabriel A., Emmanuel, Israel

“…This study investigated linear and nonlinear relationship between the amount of rainfall and radio refractivity in a tropical country, Nigeria using forty…”
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Complexity and Nonlinear Dependence of Ionospheric Electron Content and Doppler Frequency Shifts in Propagating HF Radio Signals within Equatorial Regions by Akerele, Aderonke, Rabiu, Babatunde, Ogunjo, Samuel, Okoh, Daniel, Kascheyev, Anton, Nava, Bruno, Bolaji, Olawale, Fuwape, Ibiyinka, Oyeyemi, Elijah, Olugbon, Busola, Akinpelu, Jacob, Ajani, Olumide

“…The abundance of ions within the ionosphere makes it an important region for both long range and satellite communication systems. However, characterizing the…”
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Machine learning models for prediction of rainfall over Nigeria by Ojo, Olusola Samuel, Ogunjo, Samuel Toluwalope

“…Investigating climatology and predicting rainfall amounts are crucial for planning and mitigating the risks caused by variable rainfall. This study utilized…”
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The Impact of the First and Second Waves of COVID‐19 Pandemic in Nigeria by Joshua, Benjamin Wisdom, Fuwape, Ibiyinka, Rabiu, Babatunde, Pires, Evanilton E. S., Sa'id, Rabia Salihu, Ogunro, Toluwalope T., Awe, Oluwayomi Funmilola, Osunmakinwa, Olugbenga Olusegun, Ogunjo, Samuel

“…In recent times, the COVID‐19 pandemic has been the subject of global concern. It has so far claimed over 5.4 million lives globally, with over 291 million…”
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