World's Best Scientists 2026 revealed!
Paulo Roberto Fagundes

Paulo Roberto Fagundes

D-Index & Metrics

Environmental Sciences

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

Paulo Roberto Fagundes publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Paulo Roberto Fagundes sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 283 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 210 publications — 68th percentile

68% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Paulo Roberto Fagundes D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Paulo Roberto Fagundes sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 199 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 19 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125+ D-Index: 99 scientists
30 D-Index 125+

This scientist: 34 D-Index — 3rd percentile

3% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

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

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For students interested in Environmental Sciences, exploring related online degrees can open diverse career pathways. Many professionals in this field enhance their expertise by pursuing specialized programs such as online geology degrees, which provide a strong foundation in Earth systems and natural resource management.

Geographic Information Systems (GIS) has become an essential tool for environmental analysis and decision-making. Earning a gis degree online allows students to gain technical skills in mapping and spatial data analysis, enhancing their ability to tackle real-world environmental challenges.

For those drawn to policy and public administration, a one year mpa program offers an accelerated path to leadership roles in environmental governance and sustainability initiatives.

Environmental issues are also deeply connected to societal factors, making social sciences a valuable complement. Pursuing an accredited online bachelors in sociology equips students with insights into human behavior and community dynamics, crucial for creating effective environmental outreach and programs.

Best Scientists Citing Paulo Roberto Fagundes

Trending Scientists

Recently Published Articles