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Daniel Okoh
Also known as: Izuikedinachi
Technical University of Kenya, Istituto Nazionale di Geofisica e Vulcanologia, University of Nigeria, Rhodes University, University of Cape Town
Research areas: Earth and Planetary Sciences · Space and Planetary Science · Ionosphere and magnetosphere dynamics · GNSS positioning and interference · Earthquake Detection and Analysis
0000-0001-8816-092X
Employment
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Technical University of Kenya DARA Postdoctoral Research Fellow2025 - 2027
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Istituto Nazionale di Geofisica e Vulcanologia Postdoctoral Researcher2022 - 2024
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Space Environment Research Laboratory, National Space Research and Development Agency Coordinator and Research Scientist2015 - 2024
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NASRDA Center for Atmospheric Research Assistant Director2013 - 2024
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NASRDA Center for Basic Space Science Senior Scientific Officer2013 - 2013
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NASRDA Center for Basic Space Science Scientific Officer I2009 - 2012
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South African National Space Agency (SANSA) Space Science Directorate Postgraduate Research Student2008 - 2009
Education
- 2010 - 2014
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Rhodes University MSc (Research work; Distinction)2008 - 2009
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University of Cape Town MSc (Coursework; Distinction)2008 - 2008
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University of Nigeria BSc (First Class Hons.)2002 - 2006
Projects & Funding
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UK Research and Innovation (UKRI) Fund, Science and Technology Facilities Council (STFC) UK Research and Innovation (UKRI) Fund, Science and Technology Facilities Council (STFC)2026 - 2027
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Africa Award for Research Excellence in Space Sciences American Geophysical Union2024 - 2024
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International Space Science Institute in Beijing (ISSI-BJ) International Space Science Institute in Beijing (ISSI-BJ)2020 - 2025
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CV Raman International Fellowship for African Researchers Indian Department of Science & Technology2017 - 2018
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CAS-TWAS PhD fellowship Award Chinese Academy of Science (CAS) & The Academy of Sciences for the Developing World (TWAS)2012 - 2012
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NASSP Masters Scholarship Award National Astrophysics & Space Science Programme2008 - 2009
Publications (78)
- Can the pre-reversal enhancement outside the conventional ±5° geomagnetic latitude equatorial belt be neglected in climatological models? Save
- Longitudinal Variation of Ionospheric Irregularities and Response of the Ionosphere During 10–13 May and 10–13 October 2024 Geomagnetic Storms Save
- Multi‐Scale Characterization of Ionospheric Disturbances Over East Africa During 17 March 2015 St. Patrick's Day Geomagnetic Storm Save
- Simultaneous Multi–Horizon Forecasting of Dst and Hp60 Geomagnetic Indices via a Multitask LSTM Framework Save
- A New Global Climatological Model of the Equatorial Ionospheric Vertical E × B Drift: Integrating Ground‐Based Magnetometer, Radar, and Satellite Data Sets Save
- A Novel Index for Equatorial Spread F Detection in Low Latitudes Using COSMIC Radio Occultation Data Save
- Global Characterization of Bottomside Ionospheric Parameters (B0 and B1) Using FORMOSAT-7/COSMIC-2 Radio Occultation Observations and Evaluation of IRI-2020 during Solar Cycle 25 Save
- An operational machine learning framework for calibrating COSMIC radio occultation TEC to ground-based GNSS-derived TEC Save
- U-Net Based Forecasting of Storm-Time Total Electron Content over North Africa Using Assimilation of GNSS Observation into Global Ionospheric Maps Save
- Development of a Global Climate Model for Atmospheric Temperature Using Machine Learning Save
- On the Diurnal Variation of Doppler Frequency Shift of Trans-Ionospheric Radio Waves Within Equatorial Ionospheric Anomaly Region in Africa Save
- PyTECGg: Total Electron Content reconstruction with GNSS data Save
- Regional Variability in Satellite–Ground Agreement of1Quiet-Time Sq Magnetic Variations: Evidence from2Swarm-A and INTERMAGNET Save
- Investigating the reliability of the AfriTEC model during the descending phase of Solar Cycle 24 across East Africa Save
- A Bootstrapping Convolutional Neural Network Technique for Optimizing Automated Detection of Equatorial Plasma Bubbles by Optical All‐Sky Imagers Save
- Analyzing high temporal-resolution of GNSS-based ionospheric VTEC over Nigeria Save
- Complexity and Nonlinear Dependence of Ionospheric Electron Content and Doppler Frequency Shifts in Propagating HF Radio Signals within Equatorial Regions Save
- Assessment of the performance of the TOPGNSS and ANN-MB antennas for ionospheric measurements using low-cost u-blox GNSS receivers Save
- Absence of High Frequency Echoes From Ionosondes During the 23–25 April 2023 Geomagnetic Storm; What Happened? Save
- in-situ Observations of Ionospheric Plasma Blobs Over Nigeria (9.08⁰N, 8.67⁰E) During Deep Solar Minimum: Possible Influence of Small-Scale Fluctuations in Ionospheric Plasma Density Save