DI
Member Since 2023
Daniel Izuikedinachi Okoh
Research Scientist, National Space Research and Development Agency
AGU Research
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Absence of High Frequency Echoes From Ionosondes During the 23–25 April 2023 Geomagnetic Storm; What Happened?
JOURNAL OF GEOPHYSICAL RESEARCH: SPACE PHYSICS
24 march 2024
John Bosco Habarulema, Yongliang Zhang, Tshimangad...
We report an unusual event on absence of high frequency (HF) echoes in ionosonde observations from the ionospheric F2 region during the geomagnetic...
Co-ordinated Studies of Equatorial Ionospheric Scintillation Using Ground-Based Instruments
OBSERVATIONAL AND MODELING STUDIES OF IONOSPHERIC IRREGULARITIES AND SCINTILLATION III POSTER
spa-aeronomy | 15 december 2023
Elijah O. Oyeyemi, Busola Olugbon, Andrew Akala, O...
Recently, a scintillation monitor was installed in Lagos, University of Lagos, (geographic: 3.27°E, 6.48°N; dip latitude -1.72°), Nigeria. The availab...
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ICELLI: A Model of Capacity Building Scientific Workshop in Developing Africa
EVALUATING THE IMPACT OF EDUCATION AND OUTREACH PROGRAMS IN EARTH AND SPACE SCIENCE II ORAL
education | 14 december 2023
Aderonke A. Akerele, Babatunde Rabiu, Samuel T. Og...
We present report of activities of the International Colloquium on Equatorial & Low- Latitude Ionosphere ICELLI, an annual capacity building works...
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On the Seasonal and Longitudinal Variabilities of the Equatorial Plasma Bubble Intensities Derived from GNSS Observations
DYNAMICS OF THE THERMOSPHERE AND IONOSPHERE SYSTEM AT LOW AND MIDDLE LATITUDES DURING VARYING INTERNAL AND EXTERNAL CONDITIONS IV POSTER
spa-aeronomy | 12 december 2023
Babatunde Rabiu, Daniel I. Okoh, Kazuo Shiokawa, Y...
The paper presented the results of investigation of the longitudinal variability of the Equatorial Plasma Bubble (EPB) intensities derived from observ...
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A Storm-time Global Electron Density Reconstruction Model in 3-dimensions Based on Machine Learning Techniques
SPACE WEATHER CHALLENGES IN THE NEAR-EARTH GEOSPACE III POSTER
spa-aeronomy | 14 december 2022
John Bosco Habarulema, Daniel I. Okoh
For the first time, a dedicated storm time model for reconstruction of ionospheric electron density in three dimensions has been developed using artif...
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The Role of Meteorological Variables and Aerosols in the Transmission of COVID‐19 During Harmattan Season
GEOHEALTH
23 february 2022
Samuel T. Ogunjo, O Olaniyan, Christiana F. Oluseg...
The role of atmospheric parameters and aerosols in the transmission of COVID‐19 within tropical Africa, especially during the harmattan seaso...
Investigation of the Variability of Night‐Time Equatorial Thermospheric Winds Over Nigeria, West Africa
JOURNAL OF GEOPHYSICAL RESEARCH: SPACE PHYSICS
23 march 2021
Babatunde Rabiu, Daniel I. Okoh, Qian Wu, Segun Bo...
This study examined the variability of the night‐time equatorial thermospheric meridional and zonal wind speeds using an optical Fabry‐...
Storm‐Time Modeling of the African Regional Ionospheric Total Electron Content Using Artificial Neural Networks
SPACE WEATHER
14 september 2020
Daniel I. Okoh, John Bosco Habarulema, Babatunde R...
This paper presents the development of a storm‐time total electron content (TEC) model over the African sector for the first time. The storm ...