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JH
Member Since 2014
John Habarulema
Research Scientist, South African National Space Agency
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Solar Flares and the Intricate Response of Earth's Outer Geomagnetic Field Variation
JOURNAL OF GEOPHYSICAL RESEARCH: SPACE PHYSICS
03 september 2024
Paulo R. Fagundes, John Bosco Habarulema, Marcio M...

In this study, we investigate the intricate electrodynamics of the Earth's horizontal component of the geomagnetic field (ΔH) in response to t...

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Predicting Interplanetary Shock Occurrence for Solar Cycle 25: Opportunities and Challenges in Space Weather Research
SPACE WEATHER
03 august 2024
Denny M. Oliveira, Robert C. Allen, Livia R. Alves...

Interplanetary (IP) shocks are perturbations observed in the solar wind. IP shocks correlate well with solar activity, being more numerous during t...

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The Effect of Energy Deposition Hemispherical Asymmetry on Characteristics of LSTIDs During 17 March 2015 Geomagnetic Storm
JOURNAL OF GEOPHYSICAL RESEARCH: SPACE PHYSICS
15 may 2024
Dejene Ambisa Terefe, Melessew Nigussie, John Bosc...

This article presents the effect of energy deposition hemispherical asymmetry on characteristics of large scale traveling ionospheric disturbances ...

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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...

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Simultaneous Occurrence of Traveling Ionospheric Disturbances, Farley Buneman and Gradient Drift Instabilities Observed by the Zhongshan SuperDARN HF Radar
JOURNAL OF GEOPHYSICAL RESEARCH: SPACE PHYSICS
17 february 2024
Alicreance HIYADUTUJE, John Bosco Habarulema, Mich...

We show that Traveling Ionospheric Disturbances (TIDs) may affect the Farley Buneman Instability (FBI) and Gradient Drift Instability (GDI) echoes ...

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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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Validation of Ionospheric Specifications During Geomagnetic Storms: TEC and foF2 During the 2013 March Storm Event‐II
SPACE WEATHER
05 may 2023
Ja Soon Shim, In-Sun Song, Geonhwa Jee, Young-Sil ...

Assessing space weather modeling capability is a key element in improving existing models and developing new ones. In order to track improvement of...

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Observations of Equatorward Travelling Ionospheric Disturbances of High-latitude Origin Over the African-European Sector During Quiet Conditions
TRAVELING IONOSPHERIC DISTURBANCES DRIVEN FROM ABOVE AND FROM BELOW III POSTER
spa-aeronomy | 15 december 2022
Golekamang Thaganyana, John Bosco Habarulema
The equatorward and near-equatorward travelling ionospheric disturbances (TIDs) have been extensively studied during geomagnetic storms. Equatorward T...
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