D. Okoh

发表

Features of the Ionosphere around the Time of the 5th August, 2014 M5.5 Orkney Earthquake

E. Elemo, D. Okoh, 2015 .

Characterisation of Total Electron Content over African region using Radio Occultation observations of COSMIC satellites

Patrick Mungufeni, B. Rabiu, E. Jurua, 2020 .

First Study on the Occurrence Frequency of Equatorial Plasma Bubbles over West Africa Using an All‐Sky Airglow Imager and GNSS Receivers

K. Shiokawa, Y. Otsuka, E. Falayi, 2017 .

New results of ionospheric total electron content measurements from a low-cost global navigation satellite system receiver and comparisons with other data sources

G. Seemala, B. Nava, B. Rabiu, 2021 .

A Neural Network‐Based Ionospheric Model Over Africa From Constellation Observing System for Meteorology, Ionosphere, and Climate and Ground Global Positioning System Observations

Shuanggen Jin, K. Shiokawa, Y. Otsuka, 2019, Journal of Geophysical Research: Space Physics.

On the Relationships Between Sunspot Number and Solar Radio Flux at 10.7 Centimeters

D. Okoh, E. Okoro, 2019, Solar Physics.

A Hybrid Regression‐Neural Network (HR‐NN) Method for Forecasting the Solar Activity

G. Seemala, J. Habarulema, A. Rabiu, 2018, Space Weather.

Preliminary results of temperature modelling in Nigeria using neural networks

B. Rabiu, O. Adedoja, I. Musa, 2015 .

The relation of H2CO, 12CO, and 13CO in molecular clouds

J. Esimbek, W. Ji, Xindi Tang, 2013, 1305.2718.

Formaldehyde and H110α observations towards 6.7 GHz methanol maser sources

J. Esimbek, Xindi Tang, P. Okeke, 2014, 1401.1078.

Signatures of Equatorial Plasma Bubbles and Ionospheric Scintillations from Magnetometer and GNSS Observations in the Indian Longitudes during the Space Weather Events of Early September 2017

R. Fleury, T. Pant, S. Panda, 2022, Remote. Sens..

Assessment of the NeQuick-2 and IRI-Plas 2017 models using global and long-term GNSS measurements

Shuanggen Jin, B. Nava, J. Uwamahoro, 2018 .

The comparison of H2CO (110–111), C18O (1–0) and the continuum towards molecular clouds

Jianjun Zhou, J. Esimbek, Xindi Tang, 2014, 1402.5471.

Irregularities in the African ionosphere associated with total electron content anomalies observed during high solar activity levels

B. Rabiu, D. Okoh, K. Okpala, 2022, Frontiers in Astronomy and Space Sciences.

Interhemispheric comparison of the ionosphere and plasmasphere total electron content using GPS, radio occultation and ionosonde observations

E. Pinat, J. Chevalier, J. Habarulema, 2021 .

A median absolute deviation-neural network (MAD-NN) method for atmospheric temperature data cleaning

B. Rabiu, D. Okoh, A. Obafaye, 2021, MethodsX.

Assessment of IRI-2012, NeQuick-2 and IRI-Plas 2015 models with observed equatorial ionization anomaly in Africa during 2009 sudden stratospheric warming event

Qian Wu, P. Doherty, E. Oyeyemi, 2017 .

A global 3-D electron density reconstruction model based on radio occultation data and neural networks

Daniel Okoh, Marco Milla, Philip J. Erickson, 2021 .

Solar quiet current response in the African sector due to a 2009 sudden stratospheric warming event

A. Fujimoto, A. Rabiu, E. Oyeyemi, 2016 .

An application of artificial intelligence for investigating the effect of COVID-19 lockdown on three-dimensional temperature variation in equatorial Africa

B. Rabiu, L. Onuorah, D. Okoh, 2021, Geoscience Frontiers.

An Experimental Investigation into the Possible Connections between the Zonal Neutral Wind Speeds and Equatorial Plasma Bubble Drift Velocities Over the African Equatorial Region

Qian Wu, K. Shiokawa, Y. Otsuka, 2021, SSRN Electronic Journal.

Tropospheric radio refractivity trends over vegetation regions in Nigeria

L. Onuorah, D. Okoh, Najib Yusuf, 2022, Meteorology and Atmospheric Physics.

Storm‐Time Modeling of the African Regional Ionospheric Total Electron Content Using Artificial Neural Networks

J. Habarulema, O. Obrou, B. Rabiu, 2020, Space Weather.

GPS Modeling of the Ionosphere Using Computer Neural Networks

Daniel Okoh, D. Okoh, 2018, Multifunctional Operation and Application of GPS.

Pattern of F2-Layer Peak Electron Density across African Ionosonde Locations and Response to Solar Activity

S. J. Adebiyi, B. O. Adebesin, J. O. Adeniyi, 2022, Advances in Space Research.

Comparison of GPS-TEC observations over Addis Ababa with IRI-2012 model predictions during 2010–2013

P. Doherty, A. Adewale, D. Okoh, 2015 .

Total electron content at equatorial and low-, middle- and high-latitudes in African longitude sector and its comparison with IRI-2016 and IRI-PLAS 2017 models

S. Panda, S. Sharma, D. Okoh, 2020 .

IRI-vTEC versus GPS-vTEC for Nigerian SCINDA GPS stations

L. McKinnell, P. Cilliers, B. Rabiu, 2015 .

Using GPS-TEC data to calibrate VTEC computed with the IRI model over Nigeria

Daniel Okoh, Lee-Anne McKinnell, P. N. Okeke, 2013 .

Relationship between geomagnetic storms and occurrence of ionospheric irregularities in the west sector of Africa during the peak of the 24th solar cycle

K. Shiokawa, Y. Otsuka, A. Rabiu, 2022, Frontiers in Astronomy and Space Sciences.

Investigation of the Variability of Night‐Time Equatorial Thermospheric Winds Over Nigeria, West Africa

A. Rabiu, D. Okoh, A. Obafaye, 2021, Journal of Geophysical Research: Space Physics.

Estimation of Ionospheric Critical Plasma Frequencies From GNSS‐TEC Measurements Using Artificial Neural Networks

J. Habarulema, V. Otugo, J. Uwamahoro, 2019, Space Weather.

A comparison of IRI‐TEC predictions with GPS‐TEC measurements over Nsukka, Nigeria

P. Okeke, D. Okoh, A. Eze, 2012 .

Thermospheric Neutral Wind Measurements and Investigations across the African Region—A Review

Qian Wu, J. Habarulema, J. Makela, 2022, Atmosphere.

H2CO Observations Towards CH3OH Maser Sources

Jianjun Zhou, J. Esimbek, Xindi Tang, 2012, Proceedings of the International Astronomical Union.

Pyrocast: a Machine Learning Pipeline to Forecast Pyrocumulonimbus (PyroCb) Clouds

D. Watson‐Parris, N. Meinert, A. Braude, 2022, ArXiv.

Identifying the Causes of Pyrocumulonimbus (PyroCb)

D. Watson‐Parris, N. Meinert, A. Braude, 2022, ArXiv.

A Study of the Surface Air Temperature Variations in Nigeria

I. Musa, D. Okoh, Najib Yusuf, 2017 .

A neural network-based method for modeling PM 2.5 measurements obtained from the surface particulate matter network

D. Okoh, N. Onyeuwaoma, B. Okere, 2021, Environmental Monitoring and Assessment.

An Overview of Solar Radio Type II Bursts through analysis of associated solar and near Earth space weather features during Ascending phase of SC 25

J. Uwamahoro, C. Monstein, D. Okoh, 2023 .

A regional GNSS-VTEC model over Nigeria using neural networks： A novel approach

Daniel Okoh, Babatunde Rabiu, Oluwafisayo Owolabi, 2016 .

Developing an ionospheric map for South Africa

L. McKinnell, P. Cilliers, D. Okoh, 2010 .