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Paulo Roberto Fagundes

Paulo Roberto Fagundes

D-Index & Metrics

Environmental Sciences

D-Index
34
Citations
3871
World Ranking
9483
National Ranking
67

Overview

Paulo Roberto Fagundes is affiliated with the Universidade do Vale do Paraíba in Brazil. Their research focuses primarily on the dynamics of the ionosphere and magnetosphere, earthquake detection and analysis, and solar and space plasma dynamics. Their work spans across the fields of Physics and Astronomy as well as Earth and Planetary Sciences, with specific interests in subfields such as Astronomy and Astrophysics, Geophysics, Aerospace Engineering, Atmospheric Science, and Molecular Biology.

The scientist has a notable publication record in several venues. Frequent publication outlets include Advances in Space Research, Journal of Geophysical Research Space Physics, Journal of Atmospheric and Solar-Terrestrial Physics, Zenodo hosted by CERN European Organization for Nuclear Research, and Annales Geophysicae.

Frequent co-authors in their collaborative work include V. G. Pillat, M. T. A. H. Muella, L. C. A. Resende, A. Tardelli, and V. F. Andrioli.

Recent papers authored or co-authored by Paulo Roberto Fagundes demonstrate a focus on ionospheric studies and space weather phenomena:

  • "Statistical analysis on the ionospheric response over South American mid- and near high-latitudes during 70 intense geomagnetic storms occurred in the period of two decades," 2023, Journal of Atmospheric and Solar-Terrestrial Physics
  • "Ionospheric disturbances in a large area of the terrestrial globe by two strong solar flares of September 6, 2017, the strongest space weather events in the last decade," 2020, Advances in Space Research
  • "Daily and Monthly Variations of the Equatorial Ionization Anomaly (EIA) Over the Brazilian Sector During the Descending Phase of the Solar Cycle 24," 2020, Journal of Geophysical Research Space Physics
  • "Nocturnal and Seasonal Variation of Na and K Layers Simultaneously Observed in the MLT Region at 23°S," 2020, Journal of Geophysical Research Space Physics
  • "Evidence of anti-correlation between sporadic (Es) layers occurrence and solar activity observed at low latitudes over the Brazilian sector," 2023, Advances in Space Research

The scientist's work covers a variety of topics related to Earth and space sciences. Noteworthy topics include:

  • Ionosphere and magnetosphere dynamics
  • Earthquake detection and analysis
  • Solar and space plasma dynamics
  • GNSS positioning and interference
  • Atmospheric ozone and climate
  • Geomagnetism and paleomagnetism studies
  • Geophysics and gravity measurements

Best Publications

  • Response of the equatorial ionosphere at dusk to penetration electric fields during intense magnetic storms

    S. Basu;Su. Basu;F. J. Rich;K. M. Groves

  • Transequatorial F-region ionospheric plasma bubbles: solar cycle effects

    Y. Sahai;P.R. Fagundes;J.A. Bittencourt

  • Positive and negative GPS‐TEC ionospheric storm effects during the extreme space weather event of March 2015 over the Brazilian Sector

    P. R. Fagundes;F. A. Cardoso;B. G. Fejer;K. Venkatesh

  • Numerical modeling of ionospheric effects in the middle‐ and low‐latitude F region during geomagnetic storm sequence of 9–14 September 2005

    M. V. Klimenko;V. V. Klimenko;K. G. Ratovsky;Larisa Petrovna Goncharenko

  • Effects of the major geomagnetic storms of October 2003 on the equatorial and low-latitude F region in two longitudinal sectors

    Y. Sahai;P. R. Fagundes;F. Becker-Guedes;M. J. A. Bolzan

  • Ionospheric plasma bubble zonal drifts over the tropical region: a study using OI emission all-sky images

    A.A. Pimenta;J.A. Bittencourt;P.R. Fagundes;Y. Sahai

  • Electrodynamic disturbances in the Brazilian equatorial and low-latitude ionosphere on St. Patrick's Day storm of 17 March 2015

    K. Venkatesh;S. Tulasi Ram;P. R. Fagundes;Gopi K. Seemala

  • Ionospheric plasma bubble zonal drift: a methodology using OI 630 nm all-sky imaging systems

    A. A. Pimenta;A. A. Pimenta;P. R. Fagundes;J. A. Bittencourt;Y. Sahai

  • The global thermospheric and ionospheric response to the 2008 minor sudden stratospheric warming event

    Y. N. Korenkov;V. V. Klimenko;M. V. Klimenko;F. S. Bessarab

  • Observations of F layer electron density profiles modulated by planetary wave type oscillations in the equatorial ionospheric anomaly region

    P. R. Fagundes;V. G. Pillat;M. J. A. Bolzan;Y. Sahai

  • Equatorial F-region plasma depletion drifts: latitudinal and seasonal variations

    A. A. Pimenta;P. R. Fagundes;Y. Sahai;J. A. Bittencourt

  • Solar flare detection sensitivity using the South America VLF Network (SAVNET)

    Jean-Pierre Raulin;Fernando C. P. Bertoni;Hernan R. Gavilán;Walter Guevara-Day

  • Observations of GW/TID oscillations in the F2 layer at low latitude during high and low solar activity, geomagnetic quiet and disturbed periods

    V. Klausner;P. R. Fagundes;Y. Sahai;C. M. Wrasse

  • IRI-2001 model predictions compared with ionospheric data observed at Brazilian low latitude stations

    F. Bertoni;Y. Sahai;W. L. C. Lima;P. R. Fagundes

  • Day-to-day variability of equatorial electrojet and its role on the day-to-day characteristics of the equatorial ionization anomaly over the Indian and Brazilian sectors

    K. Venkatesh;P. R. Fagundes;D. S. V. V. D. Prasad;Clezio Marcos Denardini

  • Geomagnetic storm and equatorial spread-F

    F. Becker-Guedes;Y. Sahai;P. R. Fagundes;W. L. C. Lima

  • Observations of daytime F2‐layer stratification under the southern crest of the equatorial ionization anomaly region

    P. R. Fagundes;V. Klausner;Y. Sahai;V. G. Pillat

  • Observations and modeling of post-midnight uplifts near the magnetic equator

    M. J. Nicolls;M. C. Kelley;M. N. Vlasov;Y. Sahai

  • Investigation of ionospheric response to two moderate geomagnetic storms using GPS–TEC measurements in the South American and African sectors during the ascending phase of solar cycle 24

    A. J. de Abreu;P. R. Fagundes;Mauricio Alfredo Gende;O. S. Bolaji

  • Long‐term study of medium‐scale traveling ionospheric disturbances using O I 630 nm all‐sky imaging and ionosonde over Brazilian low latitudes

    D. C. M. Amorim;A. A. Pimenta;J. A. Bittencourt;P. R. Fagundes

  • Positive and negative GPS-TEC ionospheric storm effects during the extreme space weather event of March 2015 over the Brazilian Sector

    Paulo Roberto Fagundes;B. G. Fejer;Venkatesh Kavutarapu;Valdir Gil Pillat

Frequent Co-Authors

H. Takahashi
H. Takahashi National Institute for Space Research
Bela G. Fejer
Bela G. Fejer Utah State University
Yuichi Otsuka
Yuichi Otsuka Nagoya University
Inez S. Batista
Inez S. Batista National Institute for Space Research
M.A. Abdu
M.A. Abdu National Institute for Space Research
Paulo Prado Batista
Paulo Prado Batista National Institute for Space Research
Chao-Song Huang
Chao-Song Huang United States Air Force Research Laboratory
Tadayuki Takahashi
Tadayuki Takahashi Kavli Institute for the Physics and Mathematics of the Universe
John MacDougall
John MacDougall University of Western Ontario

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