RD
Member Since 2010
Roelf Du Toit Strauss
Professor, North-West University
AGU Research
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Measurements of Cosmic Rays by a Mini‐Neutron Monitor at Neumayer III From 2014 to 2017
SPACE WEATHER
10 june 2024
Michael Walter, Carolin Gnebner, Bernd Heber, Kons...
A mini‐neutron monitor (MNM) was installed at the German Antarctic Neumayer III station, measuring the variation of galactic cosmic rays and ...
Diffusion-induced Drift of Solar Energetic Particles
ACCELERATION AND TRANSPORT OF SUPRATHERMAL AND ENERGETIC PARTICLES IN THE INNER HELIOSPHERE: OBSERVATIONS AND MODELING II ORAL
spa-solar and heliospheric physics | 14 december 2023
Roelf D. Strauss, Nicolas Wijsen, Ian G. Richardso...
Recent multi-spacecraft observations have shown how the spatial distribution of solar energetic particles (SEPs) evolves during an event. Especially i...
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Solar Orbiter, STEREO-A and near-Earth spacecraft SEP observations during a quick succession of EUV jets in November 2022
ACCELERATION AND TRANSPORT OF SUPRATHERMAL AND ENERGETIC PARTICLES IN THE INNER HELIOSPHERE: OBSERVATIONS AND MODELING I ORAL
spa-solar and heliospheric physics | 14 december 2023
David Lario, Laura Balmaceda, Raul Gomez-Herrero, ...
A series of near-relativistic solar electron events was observed on November 9 to 15, 2022 by STEREO-A at 0.96 au, by near-Earth spacecraft such as AC...
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The Effect of Perpendicular Diffusion on Solar Energetic Particle Electron and Proton Onset Times; Evidence for a Common Accelerator
ENERGETIC PARTICLES FROM THE SUN TO THE HELIOSPHERE II ORAL
spa-solar and heliospheric physics | 15 december 2022
Roelf D. Strauss, Nina Dresing, Ian G. Richardson
In a turbulent magnetic field with transversal complexity, energetic particles will be scattered along (through pitch-angle diffusion) and perpendicul...
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Living With Cosmic Radiation
PERSPECTIVES OF EARTH AND SPACE SCIENTISTS
21 october 2022
Roelf D. Strauss
The last two decades of cosmic ray research have been eventful, to say the least. The Voyager spacecraft explored the outer‐most regions of t...
Parker Solar Probe Measurements of Cosmic Rays in to 0.1 AU
NEAR-SUN PARKER SOLAR PROBE OBSERVATIONS OF THE YOUNG SOLAR WIND II ORAL
spa-solar and heliospheric physics | 16 december 2021
Jamie S. Rankin, David J. McComas, Eric R. Christi...
The quiescent transition from Solar Cycle 24 to 25 has provided optimal conditions for Parker Solar Probe to observe cosmic rays closer to the Sun tha...
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Simulating GCR and ACR Oxygen intensities during very quiet solar minimum conditions
SOLAR AND HELIOSPHERIC PHYSICS: GENERAL CONTRIBUTIONS II POSTER
spa-solar and heliospheric physics | 16 december 2021
Roelf D. Strauss, Jamie S. Rankin, Richard A. Lesk...
Due to unusually quiet solar activity conditions during the previous 2009 and 2020 solar minima, record- high levels of galactic cosmic rays (GCRs) we...
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A Multi‐Purpose Heliophysics L4 Mission
SPACE WEATHER
09 september 2021
Arik Posner, Charles N. Arge, Jan Staub, O C. St C...
The Earth‐Sun Lagrangian point 4 is a meta‐stable location at 1 AU from the Sun, 60° ahead of Earth's orbit. It has an uninterrupt...