Positions

Research Areas research areas

Overview

  • I'm a Physicist with a Ph.D. in Geospace Physics. I've been working for two and a half years as a data scientist. Since my undergraduate, I've been working with the Earth's magnetic field, analyzing geomagnetic pulsations and other frequency ranges related to events in the Sun-Earth medium. In my Thesis, I evaluated the ULF waves and relativistic electrons interaction in the Outer Radiation Belts during all Van Allen Probes Era. I have a strong background in space physics, space plasma, and Earth's radiation belts physics, especially analyzing wave signals and outer radiation belt electron variations.

    My current projects are related to using machine learning to predict Geomagnetically Induced Currents (GIC), using near real-time solar wind data for regions in mid to high latitudes. I am also interested in studying waves and particle interaction leading to particle precipitation in high and low latitudes.

    • Selected Publications

    Academic Article

    Year Title
    2023 High‐Energy Electron Flux Enhancement Pattern in the Outer Radiation Belt in Response to the Interplanetary Coronal Mass Ejections.  Journal of Geophysical Research (JGR): Space Physics.  128. 2023
    2023 Probabilistic Forecasting of Ground Magnetic Perturbation Spikes at Mid‐Latitude Stations.  Space Weather.  21. 2023
    2023 The 14 December 2020 Total Solar Eclipse Effects on Geomagnetic Field Variations and Plasma Density Over South America.  Journal of Geophysical Research (JGR): Space Physics.  128. 2023
    2022 Global Modeling of the Inner Magnetosphere Under the Influence of a Magnetic Cloud Associated With an Interplanetary Coronal Mass Ejection: Energy Conversion and Ultra‐Low Frequency Wave Activity.  Journal of Geophysical Research (JGR): Space Physics.  127. 2022
    2022 Electron Flux Variability and Ultra-Low Frequency Wave Activity in the Outer Radiation Belt Under the Influence of Interplanetary Coronal Mass Ejections and High-Speed Solar Wind Streams: A Statistical Analysis From the Van Allen Probes Era.  Journal of Geophysical Research (JGR): Space Physics.  127. 2022
    2022 New Findings Relating Tidal Variability and Solar Activity in the Low Latitude MLT Region.  Journal of Geophysical Research (JGR): Space Physics.  127. 2022
    2021 High-Energy Electron Flux Enhancement Pattern in the Outer Radiation Belt in Response to the Alfvenic Fluctuations Within High-Speed Solar Wind Stream: A Statistical Analysis.  Journal of Geophysical Research (JGR): Space Physics.  126. 2021
    2021 Dynamic Mechanisms Associated With High-Energy Electron Flux Dropout in the Earth's Outer Radiation Belt Under the Influence of a Coronal Mass Ejection Sheath Region.  Journal of Geophysical Research (JGR): Space Physics.  126. 2021
    2020 Electromagnetic Ion Cyclotron Waves Pattern Recognition Based on a Deep Learning Technique: Bag-of-Features Algorithm Applied to Spectrograms.  Astrophysical Journal Supplement Series.  249:13-13. 2020
    2019 A Global Magnetohydrodynamic Simulation Study of Ultra-low-frequency Wave Activity in the Inner Magnetosphere: Corotating Interaction Region plus Alfvenic Fluctuations.  The Astrophysical Journal (ApJ).  886:59-59. 2019
    2019 Contribution of ULF Wave Activity to the Global Recovery of the Outer Radiation Belt During the Passage of a High-Speed Solar Wind Stream Observed in September 2014.  Journal of Geophysical Research (JGR): Space Physics.  124:1660-1678. 2019
    2019 On the Contribution of EMIC Waves to the Reconfiguration of the Relativistic Electron Butterfly Pitch Angle Distribution Shape on 2014 September 12-A Case Study.  The Astrophysical Journal (ApJ).  872:36-36. 2019
    2017 Acceleration of radiation belt electrons and the role of the average interplanetary magnetic field B-z component in high-speed streams.  Journal of Geophysical Research (JGR): Space Physics.  122:10084-10101. 2017
    2017 The Role of Solar Wind Structures in the Generation of ULF Waves in the Inner Magnetosphere.  Solar Physics.  292. 2017
    2016 Comparison of geophysical patterns in the southern hemisphere mid-latitude region.  Advances in Space Research.  58:2090-2103. 2016
    2016 A neural network approach for identifying particle pitch angle distributions in Van Allen Probes data.  Space Weather.  14:275-284. 2016
    2016 Outer radiation belt dropout dynamics following the arrival of two interplanetary coronal mass ejections.  Geophysical Research Letters.  43:978-987. 2016
    A multi-instrumental and modeling analysis of the ionospheric responses to the solar eclipse on 14 December 2020 over the Brazilian region.  Annales Geophysicae.  40:191-203.
    Analysis of the Sporadic-E Layer Behavior in Different American Stations during the Days around the September 2017 Geomagnetic Storm.  Atmosphere.  13:1714-1714.
    Analysis of the different physical mechanisms in the atypical sporadic E (Es) layer occurrence over a low latitude region in the Brazilian sector.  Frontiers in Astronomy and Space Sciences.  10.

    Article

    Year Title
    2025 Using Machine Learning Explainability Techniques to Examine Drivers of Ground Magnetic Field Localization 2025

    Full Name

  • Jose Marchezi