Skip to content

Home Search Authors Pakistan News Saved

SciRah

SciRah does not host or store research papers. Results come live from free, official scholarly APIs, and every paper links back to its original source.

Data sources

OpenAlex
Semantic Scholar
Crossref
CORE
arXiv
PubMed

Privacy policy Terms of service

P. Fagundes · SciRah

Researcher profile · Semantic Scholar

P. Fagundes

Share profile

P. Fagundes — researcher profile on SciRah

h-index: 34
Works: 175
Citations: 3,494

Most-cited papers

Positive and negative GPS‐TEC ionospheric storm effects during the extreme space weather event of March 2015 over the Brazilian sector
P. Fagundes, F. A. Cardoso, B. Fejer, K. Venkatesh +2 more
2016130 citations
Semantic Scholar
Numerical modeling of ionospheric effects in the middle‐ and low‐latitude F region during geomagnetic storm sequence of 9–14 September 2005
M. Klimenko, V. Klimenko, K. G. Ratovsky, L. Goncharenko +5 more
201177 citations
Semantic Scholar
Electrodynamic disturbances in the Brazilian equatorial and low‐latitude ionosphere on St. Patrick's Day storm of 17 March 2015
K. Venkatesh, S. T. Ram, P. Fagundes, Gopi K Seemala +1 more
201775 citations
Semantic Scholar
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. Fagundes, D. Prasad, C. Denardini +3 more
201562 citations Open access
Semantic Scholar
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. D. de Abreu, P. Fagundes, M. Gende, O. Bolaji +2 more
201457 citations Open access
Semantic Scholar
The global thermospheric and ionospheric response to the 2008 minor sudden stratospheric warming event
Y. Koren’kov, V. Klimenko, M. Klimenko, F. Bessarab +9 more
201254 citations Open access
Semantic Scholar
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. Pimenta, J. Bittencourt, P. Fagundes
201150 citations
Semantic Scholar
Hemispheric asymmetries in the ionospheric response observed in the American sector during an intense geomagnetic storm
A. D. de Abreu, P. Fagundes, Y. Sahai, R. de Jesus +7 more
201050 citations Open access
Semantic Scholar
On the performance of the IRI‐2012 and NeQuick2 models during the increasing phase of the unusual 24th solar cycle in the Brazilian equatorial and low‐latitude sectors
K. Venkatesh, P. Fagundes, Gopi K Seemala, R. de Jesus +2 more
201448 citations
Semantic Scholar
Response of the ionospheric F-region in the Brazilian sector during the super geomagnetic storm in April 2000 observed by GPS
A. D. de Abreu, Y. Sahai, P. Fagundes, F. Becker-Guedes +3 more
201039 citations
Semantic Scholar
Effects observed in the ionospheric F-region in the South American sector during the intense geomagnetic storm of 14 December 2006
R. de Jesus, Y. Sahai, F. Guarnieri, P. Fagundes +8 more
201036 citations
Semantic Scholar
FIRST VERY LOW FREQUENCY DETECTION OF SHORT REPEATED BURSTS FROM MAGNETAR SGR J1550−5418
Yasuo Tanaka, J. Raulin, F. Bertoni, P. Fagundes +6 more
201036 citations Open access
Semantic Scholar
A computational tool for ionosonde CADI's ionogram analysis
V. Pillat, L. Guimarães, P. Fagundes, J. D. Simões da Silva
2013Computational Geosciences35 citations
Semantic Scholar
Studies of ionospheric F-region response in the Latin American sector during the geomagnetic storm of 21-22 January 2005
Y. Sahai, P. Fagundes, R. de Jesus, A. D. de Abreu +7 more
201135 citations Open access
Semantic Scholar
An investigation of ionospheric F region response in the Brazilian sector to the super geomagnetic storm of May 2005
A. D. de Abreu, Y. Sahai, P. Fagundes, R. de Jesus +2 more
201129 citations
Semantic Scholar
Unusual nighttime impulsive foF2 enhancement below the southern anomaly crest under geomagnetically quiet conditions
M. Pezzopane, P. Fagundes, L. Ciraolo, E. Correia +2 more
201129 citations Open access
Semantic Scholar
Ionospheric F-region observations over American sector during an intense space weather event using multi-instruments
A. D. de Abreu, I. Martin, P. Fagundes, K. Venkatesh +7 more
201728 citations Open access
Semantic Scholar
Effects of the intense geomagnetic storm of September–October 2012 on the equatorial, low- and mid-latitude F region in the American and African sector during the unusual 24th solar cycle
R. de Jesus, P. Fagundes, A. Coster, O. Bolaji +7 more
201626 citations Open access
Semantic Scholar
Response of equatorial, low- and mid-latitude F-region in the American sector during the intense geomagnetic storm on 24-25 October 2011
R. de Jesus, Y. Sahai, P. Fagundes, A. D. de Abreu +5 more
201326 citations Open access
Semantic Scholar
Ionospheric response of equatorial and low latitude F-region during the intense geomagnetic storm on 24-25 August 2005
R. de Jesus, Y. Sahai, F. Guarnieri, P. Fagundes +6 more
201225 citations
Semantic Scholar
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
P. Fagundes, M. Pezzopane, J. Habarulema, K. Venkatesh +12 more
202023 citations
Semantic Scholar
Low-latitude equinoctial spread-F occurrence at different longitude sectors under low solar activity
M. Pezzopane, E. Zuccheretti, P. Abadi, A. D. de Abreu +8 more
201322 citations Open access
Semantic Scholar
F-region ionospheric parameters observed in the equatorial and low latitude regions during medium solar activity in the Brazilian sector and comparison with the IRI-2007 model results
R. de Jesus, Y. Sahai, F. Guarnieri, P. Fagundes +3 more
201122 citations
Semantic Scholar
Total electron content disturbances during minor sudden stratospheric warming, over the Brazilian region: A case study during January 2012
F. Vieira, P. Fagundes, K. Venkatesh, L. Goncharenko +1 more
201721 citations
Semantic Scholar
Seasonal and solar cycle dependence of F3-layer near the southern crest of the equatorial ionospheric anomaly
P. Fagundes, V. Klausner, J. Bittencourt, Y. Sahai +1 more
201121 citations
Semantic Scholar
Equatorial spread-F occurrence observed at two near equatorial stations in the Brazilian sector and its occurrence modulated by planetary waves
F. Bertoni, Y. Sahai, J. Raulin, P. Fagundes +3 more
201121 citations Open access
Semantic Scholar
Equatorial F2-layer variations: Comparison between F2 peak parameters at Ouagadougou with the IRI-2007 model
O. Oyekola, P. Fagundes
2012Earth, Planets and Space20 citations Open access
Semantic Scholar
Superfountain Effect Linked With 17 March 2015 Geomagnetic Storm Manifesting Distinct F3 Layer
K. Venkatesh, A. Patra, N. Balan, P. Fagundes +3 more
2019Journal of Geophysical Research - Space Physics19 citations Open access
Semantic Scholar
Assessment of IRI-2012 profile parameters by comparison with the ones inferred using NeQuick2, ionosonde and FORMOSAT-1 data during the high solar activity over Brazilian equatorial and low latitude sector
K. Venkatesh, P. Fagundes, R. de Jesus, A. D. de Abreu +2 more
201419 citations
Semantic Scholar
Multifractal analysis of vertical total electron content (VTEC) at equatorial region and low latitude, during low solar activity
M. Bolzan, A. Tardelli, V. Pillat, P. Fagundes +1 more
201319 citations Open access
Semantic Scholar
Occurrence and Modeling Examination of Sporadic‐E Layers in the Region of the South America (Atlantic) Magnetic Anomaly
F. Conceição-Santos, M. Muella, L. Resende, P. Fagundes +4 more
2019Journal of Geophysical Research - Space Physics18 citations
Semantic Scholar
Effects of X2-class solar flare events on ionospheric GPS-TEC and radio waves over Brazilian sector
A. D. de Abreu, M. Roberto, M. Alves, J. R. Abalde +6 more
2019Advances in Space Research18 citations Open access
Semantic Scholar
Traveling planetary wave ionospheric disturbances and their role in the generation of equatorial spread-F and GPS phase fluctuations during the last extreme low solar activity and comparison with high solar activity
A. D. de Abreu, P. Fagundes, M. Bolzan, M. Gende +5 more
201418 citations Open access
Semantic Scholar
Daily and Monthly Variations of the Equatorial Ionization Anomaly (EIA) Over the Brazilian Sector During the Descending Phase of the Solar Cycle 24
M. Dias, P. Fagundes, K. Venkatesh, V. Pillat +3 more
2020Journal of Geophysical Research - Space Physics17 citations
Semantic Scholar
An Investigation of the Ionospheric Disturbances Due to the 2014 Sudden Stratospheric Warming Events Over Brazilian Sector
R. de Jesus, I. Batista, O. Jonah, A. D. de Abreu +3 more
201717 citations Open access
Semantic Scholar
Development and validation of a D-loop mtDNA SNP assay for the screening of specimens in forensic casework.
G. Chemale, Greiciane Gaburro Paneto, Meiga Aurea Mendes Menezes, J. D. de Freitas +3 more
2013Forensic Science International: Genetics17 citations
Semantic Scholar
The initial steps for developing the South American K index from the embrace magnetometer network
C. Denardini, M. R. da Silva, M. Gende, S. S. Chen +8 more
201516 citations
Semantic Scholar
Thermospheric Meridional Wind Control on Equatorial Scintillations and the Role of the Evening F-Region Height Rise, E × B Drift Velocities and F2-Peak Density Gradients
M. Muella, E. R. de Paula, P. Fagundes, J. Bittencourt +1 more
201016 citations
Semantic Scholar
Nocturnal and Seasonal Variation of Na and K Layers Simultaneously Observed in the MLT Region at 23°S
V. Andrioli, Jiexin Xu, P. Batista, A. Pimenta +8 more
2020Journal of Geophysical Research - Space Physics14 citations Open access
Semantic Scholar
Seasonal and solar activity variations of F3 layer and quadruple stratification (StF‐4) near the equatorial region
A. Tardelli, P. Fagundes, M. Pezzopane, K. Venkatesh +1 more
201614 citations
Semantic Scholar
The role of the traveling planetary wave ionospheric disturbances on the equatorial F region post-sunset height rise during the last extreme low solar activity and comparison with high solar activity
A. D. de Abreu, P. Fagundes, M. Bolzan, R. de Jesus +3 more
201414 citations
Semantic Scholar
Bottom side profiles for two close stations at the southern crest of the EIA: Differences and comparison with IRI-2012 and NeQuick2 for low and high solar activity
L. Perna, K. Venkatesh, V. Pillat, M. Pezzopane +3 more
201813 citations Open access
Semantic Scholar
Automatically identification of Equatorial Spread-F occurrence on ionograms
V. Pillat, P. Fagundes, L. Guimarães
201513 citations
Semantic Scholar
Effects observed in the equatorial and low latitude ionospheric F-region in the Brazilian sector during low solar activity geomagnetic storms and comparison with the COSMIC measurements
Y. Sahai, R. de Jesus, P. Fagundes, C. Selhorst +7 more
201213 citations
Semantic Scholar
Multi-scale ionospheric irregularities occurrence over South America during the St. Patrick's day storm on March 17, 2015
F. E. R. Barbosa, P. Fagundes, K. Venkatesh, B. Fejer +3 more
2018Journal of Atmospheric and Solar-Terrestrial Physics12 citations
Semantic Scholar
Unusual noon-time bite-outs in the ionospheric electron density around the anomaly crest locations over the Indian and Brazilian sectors during quiet conditions – A case study
K. Venkatesh, P. Fagundes, A. D. de Abreu, V. Pillat
201612 citations
Semantic Scholar
Study of the F3 and StF4 Layers at Tucumán Near the Southern Crest of the Equatorial Ionization Anomaly in Western South America
A. Tardelli, M. Pezzopane, P. Fagundes, K. Venkatesh +3 more
201811 citations Open access
Semantic Scholar
Ionospheric response to the 2006 sudden stratospheric warming event over the equatorial and low latitudes in the Brazilian sector using GPS observations
R. de Jesus, I. Batista, P. Fagundes, K. Venkatesh +1 more
201711 citations
Semantic Scholar
Equinoctial spread-F occurrence at low latitudes in different longitude sectors under moderate and high solar activity
M. Pietrella, M. Pezzopane, P. Fagundes, R. de Jesus +4 more
201711 citations
Semantic Scholar
Observed effects in the equatorial and low-latitude ionosphere in the South American and African sectors during the 2012 minor sudden stratospheric warming
R. de Jesus, I. Batista, A. D. de Abreu, P. Fagundes +2 more
201711 citations
Semantic Scholar

Frequent co-authors

Invite them to SciRah by sharing their profile.

V. Pillat×27
Invite
V. Pillat — researcher profile on SciRah
R. de Jesus×25
Invite
R. de Jesus — researcher profile on SciRah
A. D. de Abreu×25
Invite
A. D. de Abreu — researcher profile on SciRah
K. Venkatesh×18
Invite
K. Venkatesh — researcher profile on SciRah

×14

Invite

Y. Sahai — researcher profile on SciRah

Invite

M. Gende — researcher profile on SciRah

J. Bittencourt×9

Invite

J. Bittencourt — researcher profile on SciRah

J. R. Abalde×9

Invite

J. R. Abalde — researcher profile on SciRah

Invite

W. Lima — researcher profile on SciRah

M. Pezzopane×7

Invite

M. Pezzopane — researcher profile on SciRah

C. Denardini×6

Invite

C. Denardini — researcher profile on SciRah

Invite

I. Batista — researcher profile on SciRah