| Response of the equatorial ionosphere at dusk to penetration electric fields during intense magnetic storms S Basu, S Basu, FJ Rich, KM Groves, E MacKenzie, C Coker, Y Sahai, ... Journal of Geophysical Research: Space Physics 112 (A8), 2007 | 150 | 2007 |
| Transequatorial F-region ionospheric plasma bubbles: solar cycle effects Y Sahai, PR Fagundes, JA Bittencourt Journal of Atmospheric and Solar-Terrestrial Physics 62 (15), 1377-1383, 2000 | 143 | 2000 |
| Positive and negative GPS‐TEC ionospheric storm effects during the extreme space weather event of March 2015 over the Brazilian sector PR Fagundes, FA Cardoso, BG Fejer, K Venkatesh, BAG Ribeiro, ... Journal of Geophysical Research: Space Physics 121 (6), 5613-5625, 2016 | 124 | 2016 |
| Numerical modeling of ionospheric effects in the middle-and low-latitude F region during geomagnetic storm sequence of 9–14 September 2005 MV Klimenko, VV Klimenko, KG Ratovsky, LP Goncharenko, Y Sahai, ... Radio Science 46 (null), RS0D03, 2011 | 110 | 2011 |
| Effects of the major geomagnetic storms of October 2003 on the equatorial and low-latitude F region in two longitudinal sectors Y Sahai, PR Fagundes, F Becker-Guedes, MJA Bolzan, JR Abalde, ... J. Geophys. Res 110 (A12S91), A12S91, 2005 | 75 | 2005 |
| Ionospheric plasma bubble zonal drifts over the tropical region: a study using OI 630nm emission all-sky images AA Pimenta, JA Bittencourt, PR Fagundes, Y Sahai, RA Buriti, ... Journal of Atmospheric and Solar-Terrestrial Physics 65 (10), 1117-1126, 2003 | 72 | 2003 |
| The global thermospheric and ionospheric response to the 2008 minor sudden stratospheric warming event YN Korenkov, VV Klimenko, MV Klimenko, FS Bessarab, NA Korenkova, ... Journal of Geophysical Research: Space Physics 117 (A10), 2012 | 70 | 2012 |
| Observations of F layer electron density profiles modulated by planetary wave type oscillations in the equatorial ionospheric anomaly region PR Fagundes, VG Pillat, MJA Bolzan, Y Sahai, F Becker-Guedes, ... Journal of geophysical research 110 (A12), A12302, 2005 | 69 | 2005 |
| Ionospheric plasma bubble zonal drift: a methodology using OI 630 nm all-sky imaging systems AA Pimenta, PR Fagundes, JA Bittencourt, Y Sahai, D Gobbi, ... Advances in Space Research 27 (6-7), 1219-1224, 2001 | 66 | 2001 |
| Equatorial F-region plasma depletion drifts: latitudinal and seasonal variations AA Pimenta, PR Fagundes, Y Sahai, JA Bittencourt, JR Abalde Annales Geophysicae 21 (12), 2315-2322, 2003 | 64 | 2003 |
| IRI-2001 model predictions compared with ionospheric data observed at Brazilian low latitude stations F Bertoni, Y Sahai, WLC Lima, PR Fagundes, VG Pillat, F Becker-Guedes, ... Annales Geophysicae 24 (8), 2191-2200, 2006 | 62 | 2006 |
| 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, PR Fagundes, DSVVD Prasad, CM Denardini, AJ De Abreu, ... Journal of Geophysical Research: Space Physics 120 (10), 9117-9131, 2015 | 61 | 2015 |
| Observations and modeling of post-midnight uplifts near the magnetic equator MJ Nicolls, MC Kelley, MN Vlasov, Y Sahai, JL Chau, DL Hysell, ... Annales Geophysicae 24 (5), 1317-1331, 2006 | 57 | 2006 |
| 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 … AJ De Abreu, PR Fagundes, M Gende, OS Bolaji, R De Jesus, C Brunini Advances in Space Research 53 (9), 1313-1328, 2014 | 56 | 2014 |
| Solar flare detection sensitivity using the South America VLF Network (SAVNET) JP Raulin, FCP Bertoni, HR Gavilán, W Guevara-Day, R Rodriguez, ... J. Geophys. Res 115, A07301, 2010 | 56 | 2010 |
| Geomagnetic storm and equatorial spread-F F Becker-Guedes, Y Sahai, PR Fagundes, WLC Lima, VG Pillat, ... Annales Geophysicae 22 (9), 3231-3239, 2004 | 55 | 2004 |
| Observations of day-to-day variability in precursor signatures to equatorial F-region plasma depletions PR Fagundes, Y Sahai, IS Batista, MA Abdu, JA Bittencourt, H Takahashi Annales Geophysicae 17 (8), 1053-1063, 1999 | 54 | 1999 |
| Observations of daytime F2‐layer stratification under the southern crest of the equatorial ionization anomaly region PR Fagundes, V Klausner, Y Sahai, VG Pillat, F Becker‐Guedes, ... Journal of Geophysical Research: Space Physics 112 (A4), 2007 | 53 | 2007 |
| Long-term study of medium-scale traveling ionospheric disturbances using OI 630 nm all-sky imaging and ionosonde over Brazilian low latitudes DCM Amorim, AA Pimenta, JA Bittencourt, PR Fagundes Journal of Geophysical Research 116 (A6), A06312, 2011 | 50 | 2011 |
| 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, PR Fagundes, GK Seemala, R de Jesus, AJ de Abreu, ... Journal of Geophysical Research: Space Physics 119 (6), 5087-5105, 2014 | 49 | 2014 |
Pillat, V G Professor de Ciência da Computação, Universidade do Vale do ParaíbaAdresă de e-mail confirmată pe univap.br
