Mangalathayil Ali Abdu
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Physics
Mangalathayil Ali Abdu's Degrees
- PhD Physics University of Colorado
- Masters Physics University of Kerala
- Bachelors Physics University of Kerala
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(Suggest an Edit or Addition)Mangalathayil Ali Abdu's Published Works
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Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- Outstanding problems in the equatorial ionosphere–thermosphere electrodynamics relevant to spread F (2001) (291)
- Magnetic declination control of the equatorial F region dynamo electric field development and spread F (1981) (273)
- Major phenomena of the equatorial ionosphere-thermosphere system under disturbed conditions (1997) (254)
- Fast and ultrafast Kelvin wave modulations of the equatorial evening F region vertical drift and spread F development (2014) (224)
- Equatorial F region vertical plasma drifts: Seasonal and longitudinal asymmetries in the American sector (1986) (207)
- IONIZATION DRIFT VELOCITIES IN THE EQUATORIAL F REGION (1981) (196)
- Equatorial Ionospheric Electric Fields During the November 2004 Magnetic Storm (2007) (196)
- Gravity wave initiation of equatorial spread F/plasma bubble irregularities based on observational data from the SpreadFEx campaign (2009) (189)
- Prompt penetration electric fields (PPEFs) and their ionospheric effects during the great magnetic storm of 30-31 October 2003 (2008) (172)
- Equatorial plasma fountain and its effects over three locations: Evidence for an additional layer, the F 3 layer (1997) (165)
- Magnetospheric disturbance induced equatorial plasma bubble development and dynamics: A case study in Brazilian sector (2003) (159)
- Unusual early morning development of the equatorial anomaly in the Brazilian sector during the Halloween magnetic storm (2006) (139)
- Some characteristics of spread F at the magnetic equatorial station Fortaleza (1980) (135)
- Aeronomy of the earth's atmosphere and ionosphere (2011) (135)
- Ionospheric effects of the March 13, 1989, magnetic storm at low and equatorial latitudes (1991) (130)
- Equatorial density depletions observed at 840 km during the great magnetic storm of March 1989 (1991) (128)
- Ionospheric plasma bubble climatology over Brazil based on 22 years (1977–1998) of airglow observations (2002) (126)
- A new aspect of magnetic declination control of equatorial spread F and F region dynamo (1992) (122)
- Equatorial ionospheric electric fields during magnetospheric disturbances: local time/longitude dependences from recent EITS campaigns (1995) (122)
- Physical mechanism and statistics of occurrence of an additional layer in the equatorial ionosphere (1998) (122)
- Equatorial spread F/plasma bubble irregularities under storm time disturbance electric fields (2012) (116)
- Equatorial ionosphere–thermosphere system: Electrodynamics and irregularities (2005) (114)
- Simultaneous observation of ionospheric plasma bubbles and mesospheric gravity waves during the SpreadFEx Campaign (2009) (113)
- Conjugate Point Equatorial Experiment (COPEX) Campaign in Brazil: Electrodynamics highlights on spread F development conditions and day-to-day variability (2009) (111)
- South Atlantic magnetic anomaly ionization: A review and a new focus on electrodynamic effects in the equatorial ionosphere (2005) (105)
- Vertical ionization drift velocities and range type spread F in the evening equatorial ionosphere (1983) (101)
- Effects of intense storms and substorms on the equatorial ionosphere/thermosphere system in the American sector from ground‐based and satellite data (1997) (90)
- Two‐day wave coupling of the low‐latitude atmosphere‐ionosphere system (2006) (90)
- Superposed epoch analysis of the dayside ionospheric response to four intense geomagnetic storms (2008) (84)
- Spread F plasma bubble vertical rise velocities determined from spaced ionosonde observations (1983) (81)
- Equatorial ionospheric vertical plasma drift model over the Brazilian region (1996) (81)
- Responses of the low-latitude ionosphere to very intense geomagnetic storms (2001) (81)
- Magnetospheric disturbance effects on the Equatorial Ionization Anomaly (EIA) : an overview (1991) (81)
- Ionospheric variability at Brazilian low and equatorial latitudes: comparison between observations and IRI model (2004) (77)
- Low- and mid-latitude ionospheric electric fields during the January 1984 GISMOS campaign (1990) (75)
- On the occurrence of postmidnight equatorial F region irregularities during the June solstice (2011) (73)
- Computer simulation of electron and ion densities and temperatures in the equatorial F region and comparison with Hinotori results (1995) (70)
- Planetary wave signatures in the equatorial atmosphere ionosphere system, and mesosphere- E- and F-region coupling (2006) (70)
- Abnormal evening vertical plasma drift and effects on ESF and EIA over Brazil-South Atlantic sector during the 30 October 2003 superstorm (2008) (68)
- Equatorial anomaly effects on GPS scintillations in brazil (2003) (66)
- Association between plasma bubble irregularities and airglow disturbances over Brazilian low latitudes (1980) (66)
- Equatorial spread-F occurrence statistics in the American longitudes: Diurnal, seasonal and solar cycle variations (1998) (66)
- Precursor signatures and evolution of post‐sunset equatorial spread‐F observed over Sanya (2012) (65)
- Planetary waves in the equatorial mesosphere and ionosphere (2006) (65)
- Observations and model calculations of an additional layer in the topside ionosphere above Fortaleza, Brazil (1997) (62)
- Annual variations of the ionosphere: A review based on MU radar observations (2000) (60)
- F3 layer during penetration electric field (2008) (59)
- A plasma temperature anomaly in the equatorial topside ionosphere (1997) (59)
- Ionospheric zonal velocities at conjugate points over Brazil during the COPEX campaign: Experimental observations and theoretical validations (2009) (59)
- Equatorial electric field versus neutral wind control of the equatorialanomaly under quiet and disturbed conditions (1990) (58)
- Overview and summary of the Spread F Experiment (SpreadFEx) (2009) (57)
- Spread F occurrence over a southern anomaly crest location in Brazil during June solstice of solar minimum activity (2011) (57)
- Onset conditions of equatorial (range) spread F at Fortaleza, Brazil, during the June solstice (1997) (55)
- Multistation digisonde observations of equatorial spread F in South America (2004) (54)
- Determination of the quenching rate of the O(¹D) by O(³P) from rocket‐borne optical (630 nm) and electron density data (1993) (53)
- Equatorial F-layer heights, evening prereversal electric field, and night E-layer density in the American sector: IRI validation with observations (2004) (53)
- The variability of low‐latitude ionospheric amplitude and phase scintillation detected by a triple‐frequency GPS receiver (2017) (53)
- Solar cycle related range type spread-F occurrence characteristics over equatorial and low latitude stations in Brazil (1985) (52)
- Scintillation‐producing Fresnel‐scale irregularities associated with the regions of steepest TEC gradients adjacent to the equatorial ionization anomaly (2010) (52)
- Latitudinal distribution of anomalous ion density as a precursor of a large earthquake (2011) (51)
- Variability of an additional layer in the equatorial ionosphere over Fortaleza (2000) (50)
- Equatorial plasma bubble seeding by MSTIDs in the ionosphere (2018) (48)
- Equatorial spread F statistics and empirical representation for IRI: A regional model for the Brazilian longitude sector (2003) (48)
- An overview of IRI-observational data comparison in American (Brazilian) sector low latitude ionosphere (1996) (48)
- Magnetic storm associated disturbance dynamo effects in the low and equatorial latitude ionosphere (2013) (48)
- Sporadic E-layer phenomena in the Brazilian geomagnetic anomaly: evidence for a regular particle ionization source (1977) (46)
- Simulation of the sporadic E layer response to prereversal associated evening vertical electric field enhancement near dip equator (2007) (46)
- Magnetic storm associated delayed sporadic E enhancements in the Brazilian Geomagnetic Anomaly (1977) (45)
- The impact of gravity waves rising from convection in the lower atmosphere on the generation and nonlinear evolution of equatorial bubble (2009) (45)
- Medium-scale equatorial plasma irregularities observed by Coupled Ion-Neutral Dynamics Investigation sensors aboard the Communication Navigation Outage Forecast System in a prolonged solar minimum (2010) (44)
- GPS availability and positioning issues when the signal paths are aligned with ionospheric plasma bubbles (2018) (44)
- Storm‐Enhanced Development of Postsunset Equatorial Plasma Bubbles Around the Meridian 120°E/60°W on 7–8 September 2017 (2018) (43)
- Equatorial plasma bubble eastward velocity characteristics from scanning airglow photometer measurements over cachoeira paulista (1984) (43)
- Equatorial spread F statistics in the American longitudes: Some problems relevant to ESF description in the IRI scheme (2000) (43)
- DP 2 electric field fluctuations in the dusk‐time dip equatorial ionosphere (1998) (42)
- Observations of day-to-day variability in precursor signatures to equatorial F-region plasma depletions (1999) (41)
- Solar activity effects on equatorial plasma bubble zonal velocity and its latitude gradient as measured by airglow scanning photometers (1991) (40)
- O(1S) and O(1D) quantum yields from rocket measurements of electron densities and 557.7 and 630.0 nm emissions in the nocturnal F-region (1992) (40)
- Latitudinal gradient in the plasma bubble zonal velocities as observed by scanning 630-nm airglow measurements (1990) (39)
- Equatorial spread F instability conditions as determined from ionograms (1982) (39)
- Equatorial f-region oi 6300 å and oi 5577 å emission profiles observed by rocket-borne airglow photometers (1990) (38)
- Day-to-day and short-term variabilities in the equatorial plasma bubble/spread F irregularity seeding and development (2019) (38)
- Rocket observation of equatorial plasma bubbles over Natal, Brazil, using a high-frequency capacitance probe (1991) (38)
- A comparison of ionospheric vertical drift velocities measured by Digisonde and Incoherent Scatter Radar at the magnetic equator (2006) (38)
- Magnetic storm associated enhanced particle precipitation in the South Atlantic Anomaly: Evidence from VLF phase measurements (1981) (38)
- Assimilative mapping of ionospheric electrodynamics in the thermosphere‐ionosphere general circulation model comparisons with global ionospheric and thermospheric observations during the GEM/SUNDIAL period of March 28–29, 1992 (1996) (37)
- Plasma bubble irregularity occurrence and zonal velocities under quiet and disturbed conditions, from polarimeter observations (1984) (37)
- Challenges to Equatorial Plasma Bubble and Ionospheric Scintillation Short-Term Forecasting and Future Aspects in East and Southeast Asia (2020) (36)
- High electron temperature associated with the prereversal enhancement in the equatorial ionosphere (1997) (36)
- Equatorial electrojet irregularities investigations using a back-scatter radar and a digisonde at São Luı́s: some initial results (2002) (35)
- Long term trends in sporadic E layers and electric fields over Fortaleza, Brazil (1996) (34)
- D, E, and F layers in the daytime at high-latitude terminator ionosphere of Mars: Comparison with Earth's ionosphere using COSMIC data (2009) (34)
- Solar and geomagnetic activity effects on nocturnal zonal velocities of ionospheric plasma depletions (1999) (34)
- Occurrence of large scale equatorial F-region plasma depletions during geo-magnetic disturbances (1998) (34)
- Electrodynamics of ionospheric weather over low latitudes (2016) (34)
- Correction to “Ionospheric responses to the October 2003 superstorm: Longitude/local time effects over equatorial low and middle latitudes” (2007) (33)
- Total electron content at low latitudes and its comparison with the IRI90 (1994) (32)
- Equatorial F region evening vertical drift, and peak height, during southern winter months: A comparison of observational data with the IRI descriptions (2006) (32)
- Plasma bubble zonal velocity variations with solar activity in the Brazilian region (2004) (32)
- Latitudinal and magnetic flux tube extension of the equatorial spread F irregularities (1983) (32)
- Electrodynamics of the vertical coupling processes in the atmosphere-ionosphere system of the low latitude region (2009) (31)
- Longitudinal differences in the equatorial spread F characteristics between Vietnam and Brazil (2010) (30)
- Ionospheric Scintillation Fading Coefficients for the GPS L1, L2, and L5 Frequencies (2018) (30)
- East‐west plasma bubble irregularity motion determined from spaced VHF polarimeters: Implications on velocity shear in the zonal F region bulk plasma motion (1985) (30)
- An investigation of ionospheric responses, and disturbance thermospheric winds, during magnetic storms over South American sector (2002) (30)
- The role of electric fields in sporadic E layer formation over low latitudes under quiet and magnetic storm conditions (2014) (29)
- Theoretical and experimental zonal drift velocities of the ionospheric plasma bubbles over the Brazilian region (2006) (29)
- Vertical and zonal equatorial F-region plasma bubble velocities determined from OI 630 nm nightglow imaging (1997) (29)
- Gravity wave induced ionization layers in the night F-region over Cachoeira Paulista (22°S, 45°W) (1982) (29)
- Ionospheric irregularity behavior during the September 6–10, 2017 magnetic storm over Brazilian equatorial–low latitudes (2019) (29)
- The Guará Campaign: A series of rocket‐radar investigations of the Earth's upper atmosphere at the magnetic equator (1997) (29)
- Wave disturbances in the low latitude ionosphere and equatorial ionospheric plasma depletions (1981) (29)
- Characteristics of the ionospheric F-region plasma irregularities over brazilian longitudinal sector (2007) (28)
- Magnetic conjugate point observations of kilometer and hundred‐meter scale irregularities and zonal drifts (2010) (28)
- Azimuthal drift and precipitation of electrons into the South Atlantic Geomagnetic Anomaly during an SC magnetic storm (1973) (28)
- Equatorial ionization anomaly and thermospheric meridional winds during two major storms over Brazilian low latitudes (2011) (27)
- Storm-time total electron content and its response to penetration electric fields over South America (2011) (27)
- Thermospheric meridional wind at low latitude from measurements of F layer peak height (1997) (27)
- Equatorial ionosphere responses to two magnetic storms of moderate intensity from conjugate point observations in Brazil (2012) (27)
- Determination of vertical plasma drift and meridional wind using the Sheffield University Plasmasphere Ionosphere Model and ionospheric data at equatorial and low latitudes in Brazil: Summer solar minimum and maximum conditions (2000) (27)
- Equatorial electrojet 3-M irregularity dynamics during magnetic disturbances over Brazil: results from the new VHF radar at São Luı́s (2003) (27)
- Radio occultation electron density profiles from the FORMOSAT-3/COSMIC satellites over the Brazilian region: A comparison with Digisonde data (2012) (26)
- A statistical study of the response of the dayside equatorial F2 layer to the main phase of intense geomagnetic storms as an indicator of penetration electric field (2011) (26)
- Spread-F at anomaly crest regions in the Indian and American longitudes (2003) (25)
- Attenuation of galactic radio noise at 25 Mhz and 21.3 Mhz in the ionosphere over Ahmedabad during 1957–1964 (1967) (25)
- Solar flux effects on the equatorial evening vertical drift and meridional winds over Brazil: A comparison between observational data and the IRI model and the HWM representations (2010) (24)
- Parameterized Regional Ionospheric Model and a comparison of its results with experimental data and IRI representations (2010) (24)
- VHF radar studies of the equatorial electrojet 3-m irregularities over São Luís: day-to-day variabilities under auroral activity and quiet conditions (2004) (24)
- Comparison between IRI predictions and digisonde measurements at low latitude station (1996) (24)
- Unusual ionospheric absorption characterizing energetic electron precipitation into the South Atlantic Magnetic Anomaly (2002) (24)
- Equatorial spread F development and quiet time variability under solar minimum conditions (2012) (23)
- Midnight reversal of ionospheric plasma bubble eastward velocity to westward velocity during geomagnetically quiettime: Climatology and its model validation (2011) (23)
- Nighttime thermospheric meridional winds at Cachoeira Paulista (23°S, 45°W): Evidence for effects of the equatorial midnight pressure bulge (1997) (23)
- Rocket and ground-based electron density soundings versus IRI representation (2003) (21)
- Possible influence of ultra-fast Kelvin wave on the equatorial ionosphere evening uplifting (2009) (21)
- Strong longitudinal difference in ionospheric responses over Fortaleza (Brazil) and Jicamarca (Peru) during the January 2005 magnetic storm, dominated by northward IMF (2012) (20)
- Characteristics of the ionospheric irregularities over Brazilian longitudinal sector (2006) (20)
- Processes in the quiet and disturbedequatorial-low latitude ionosphere: Sundial campaign 1984 (1987) (19)
- Global scale equatorial ionization anomaly (EIA) response to magnetosphericdisturbances on the May-June 1987 SUNDIAL coordinated observations (1993) (18)
- Analysis of Plasma Bubble Signatures in Total Electron Content Maps of the Low-Latitude Ionosphere: A Simplified Methodology (2020) (18)
- A model of equatorial and low latitude VHF scintillation in India (2006) (17)
- Equatorial plasma bubble zonal velocity height gradient from spaced VHF polarimeter and scanning 630 nm measurements (1987) (17)
- In-situ measurement of ionospheric plasma density by two different techniques—a comparison (1991) (16)
- Post-sunset wintertime 630.0 nm airglow perturbations associated with gravity waves at low latitudes in the South American sector (1997) (16)
- Ionospheric F3 layer: Implications for the IRI model (2003) (16)
- Equatorial ionospheric irregularities produced by the Brazilian Ionospheric Modification Experiment (BIME) (1989) (16)
- Daytime efficiency and characteristic time scale of interplanetary electric fields penetration to equatorial latitude ionosphere (2011) (15)
- Climatology of intermediate descending layers (or 150 km echoes) over the equatorial and low-latitude regions of Brazil during the deep solar minimum of 2009 (2019) (14)
- Zonal/meridional wind and disturbance dynamo electric field control of the low‐latitude ionosphere based on the SUNDIAL/ATLAS 1 Campaign (1996) (14)
- A Comparative Study of VHF Scintillation and Spread F Events (1983) (14)
- Longitudinal variation of the equatorial ionosphere: Modeling and experimental results (2013) (14)
- D-region recombination coefficients and the short wavelength X-ray flux during a solar flare (1973) (14)
- On the pre-midnight ascent of F-layer in the June solstice during the deep solar minimum in 2008 over the Indian sector (2014) (14)
- Rocket-borne measurements of equatorial ionospheric electron densities and their comparison with IRI-10 predictions (1990) (14)
- The spread F Experiment (SpreadFEx): Program overview and first results (2009) (14)
- Electrodynamic coupling processes between the magnetosphere and the equatorial ionosphere during a 5-day HILDCAA event (2011) (13)
- The prereversal enhancement in the vertical drift for Fortaleza and the sporadic E layer (2005) (13)
- Energetic particle precipitation in the Brazilian geomagnetic anomaly during the “Bastille Day storm” of July 2000 (2006) (13)
- Power spectral studies of VHF ionospheric scintillations near the crest of the equatorial anomaly in India (2006) (13)
- Correlation analysis between the occurrence of ionospheric scintillation at the magnetic equator and at the southern peak of the Equatorial Ionization Anomaly (2014) (13)
- Comparison of low latitude F region peak densities, heights and equatorial E×B drift from IRI with observational data and the Sheffield University plasmasphere ionosphere model (2003) (12)
- Equatorial spread F: Statistical comparison between ionosonde and scintillation observations and longitude dependence (2003) (11)
- Latitudinal dependence of cosmic noise absorption in the ionosphere over the SAMA region during the September 2008 magnetic storm (2012) (11)
- The Acoustic Gravity Wave Induced Disturbances in the Equatorial Ionosphere (2011) (11)
- Amplitude enhancement of SC(H) events in the South Atlantic anomaly region (2005) (11)
- On the rocket-induced wave disturbances in the daytime equatorial ionosphere (1988) (11)
- Correlation between the cosmic noise absorption calculated from the SARINET data and the energetic particles measured by MEPED: Simultaneous observations over SAMA region (2012) (10)
- Electron density and electric field fluctuations associated with developing plasma bubbles (2003) (10)
- Unusual Generation of Localized EPB in the Dawn Sector Triggered by a Moderate Geomagnetic Storm (2018) (10)
- Low latitude Ne and Te variations at 600 km during 1 March 1982 storm from HINOTORI satellite (2005) (9)
- Global dayside ionospheric uplift and enhancements due to interplanetary shock electric fields (2017) (9)
- Coupling and energetics of the equatorial ionosphere-thermosphere system: advances during the STEP period (1999) (9)
- A comparison of two different techniques for deriving the quiet day curve from SARINET riometer data (2012) (9)
- Atypical nighttime spread-F structure observed near the southern crest of the ionospheric equatorial ionization anomaly (2012) (9)
- Early morning enhancement in ionospheric electron density during intense magnetic storms (2012) (9)
- Equatorial ionization anomaly development as studied by GPS TEC and foF2 over Brazil: A comparison of observations with model results from SUPIM and IRI-2012 (2013) (9)
- Rocket measurements of ionospheric electron density from Brazil in the last two decades (2006) (9)
- Occurrence of an additional layer in the ionosphere over Fortaleza (1999) (9)
- Model comparisons of equatorial plasma fountain and equatorial anomaly at three locations (1996) (9)
- Some Differences in the Dynamics of the Intermediate Descending Layers Observed During Periods of Maximum and Minimum Solar Flux (2020) (9)
- Ionospheric Electron Content over Brazilian low latitude and its comparison with the IRI and SUPIM models (1996) (8)
- Thermospheric F-region travelling disturbances detected at low latitude by an OI 630 nm digital imager system (2001) (8)
- Equatorial F-region irregularity latitudinal extension and dynamo electric field (1985) (8)
- Particle ionization rates from total solar eclipse rocket ion composition results in the South Atlantic Geomagnetic Anomaly (1979) (8)
- Modulation of equatorial electrojet plasma waves by overshielding electric field during geomagnetic storms (2011) (8)
- Multi‐instrument study of longitudinal wave structures for plasma bubble seeding in the equatorial ionosphere (2021) (7)
- Book reviewLow latitude ionospheric physics: COSPAR Colloquium Series Volume 7, ed. by Fu-Song Kuo, 1994, 329 pp. Pergamon Press, £120 hb, ISBN no. 0-08-042134-2 (1995) (7)
- Dust storm and electron density in the equatorial D region ionosphere of Mars: Comparison with Earth's ionosphere from rocket measurements in Brazil (2015) (7)
- An empirical model for the ionospheric electron content at low latitude in Brazil and a comparison with IRI95 (2003) (7)
- The role played by ozone in the lower D region electron density variations in winter (1974) (7)
- Flare X‐ray photochemistry of the E region ionosphere of Mars (2016) (7)
- The International Equatorial Electrojet Year (1992) (7)
- Numerical simulation of nighttime electron precipitation in the lower ionosphere over a sub-auroral region (2006) (7)
- Ionospheric modelling at low latitudes over Brazil during summer solar minimum (2000) (6)
- Cosmic ray ionization in the D region at sunrise: evidence from vlf phase measurements (1973) (6)
- F 3 layer observations at low and equatorial latitudes in Brazil (2012) (6)
- Further complexities on the pre-reversal vertical drift modeling over the Brazilian region: A comparison between long-term observations and model results (2020) (6)
- Permanent changes in sporadic E layers over Fortaleza, Brazil (1997) (6)
- Detection of three distinct regions in the equatorial electrojet in the Brazilian sector (2003) (6)
- Equatorial electrojet plasma irregularities observed during late afternoon by the 30 MHz coherent scatter radar in São Luís, Brazil (2011) (6)
- Horizontal gradients of the nocturnal OI 557.7 nm and OI 630 nm photoemission rates in the equatorial ionosphere based on rocket electron density data (1997) (6)
- The formation of an additional layer in the equatorial topside ionosphere (1997) (5)
- Conjugate Sporadic-E measurements (2009) (5)
- Gravity wave induced ionization layers in the night F-region at low latitudes (1980) (5)
- Modelling and measurement of global-scale ionospheric behavior under solar minimum, equinoctial conditions (1992) (5)
- Zonal wave structures in the nighttime tropospheric density and temperature and in the D region ionosphere over Mars: Modeling and observations (2009) (5)
- On the possible relationship between substorm electron drift and cosmic noise absorption on the morning side of the auroral zone (1971) (4)
- Numerical simulation of equatorial plasma bubbles over Cachimbo: COPEX campaign (2014) (4)
- Erratum to “A comparison of ionospheric vertical drift velocities measured by digisonde and incoherent scatter radar at the magnetic equator”: [Journal of Atmospheric and Solar-Terrestrial Physics 68 (2006) 669–678] (2006) (4)
- Some trends in the red-shift distribution of quasi-stellar objects and related peculiar galaxies (1972) (4)
- Equatorial Spread F Variability Investigations in Brazil: Preliminary Results from Conjugate Point Equatorial Experiments Campaign - COPEX (2004) (4)
- Geophysicae VHF radar observations of the dip equatorial Eregion during sunset in the Brazilian sector (2006) (4)
- F Region Electric Field Effects on the Intermediate Layer Dynamics During the Evening Prereversal Enhancement at Equatorial Region Over Brazil (2021) (4)
- Equatorialionosphere sunset electrodynamics in the American sector from SUNDIAL December 1988campaign results (1993) (4)
- Comparison of ionospheric electron temperature rocket measurements over Natal, Brazil, with the IRI model (1988) (4)
- Ionospheric response to 2-day planetary wave in the equatorial and low latitude regions (2012) (4)
- Latitude-dependent delay in the responses of the equatorial electrojet and S q currents to X-class solar flares (2018) (4)
- Unusual behavior of quiet-time zonal and vertical plasma drift velocities over Jicamarca during the recent extended solar minimum of 2008 (2017) (4)
- Gravity waves in low latitude F-region (1975) (3)
- On the deviations of measured electron density profiles from IRI predictions for low latitudes (2001) (3)
- Spread F modeling over Brazil (2017) (3)
- Space weather in the thermospheric–ionospheric domain over the Brazilian region: Climatology of ionospheric plasma bubbles in the subequatorial and low-latitude region (2011) (3)
- The Scintillation Prediction Observations Research Task (SPORT): A Spacecraft Development for an International Mission (2018) (3)
- Postmidnight equatorial plasma irregularities on the June solstice during low solar activity – a case study (2019) (3)
- Role of Bottom‐Side Density Gradient in the Development of Equatorial Plasma Bubble/Spread F Irregularities: Solar Minimum and Maximum Conditions (2020) (3)
- What is happening near Sq focus (2000) (3)
- Nitric oxide height distribution in the lower ionosphere from rocket ion composition results over a southern temperate latitude station (1979) (3)
- A Numerical Study on the 3‐D Approach of the Equatorial Plasma Bubble Seeded by the Prereversal Vertical Drift (2019) (3)
- Deduction of electron temperature from F‐region component of absorption of cosmic radio noise (1967) (3)
- Modeling the Low-Latitude Ionosphere and Scintillation Occurrence during the COPEX Campaign (2006) (3)
- Comparisons of IRI model and electron density data for the sub-equatorial station, Natal (2003) (3)
- Plasma diagnostic experiments on board of the Brazilian scientific microsatellite SACI-1 (2012) (3)
- Climatology of intermediate descending layers (150 km) over the equatorial and low latitude regions of Brazil during the deep solar minimum of 2009 (2019) (3)
- Electron temperatures in the ionospheric F-region over Ahmedabad (1968) (2)
- Evaluation of the dusk and early nighttime Total Electron Content modeling over the eastern Brazilian region during a solar maximum period (2021) (2)
- Experimental observations of medium and small scale electrostatic waves associated with ionospheric electron density fluctuations (2004) (2)
- Rocket based ionospheric measurements at Thumba with high frequency capacitance probe (1970) (2)
- Correction to "Rocket Observation of Equatorial Plasma Bubbles Over Natal, Brazil, Using a High-Frequency Capacitance Probe" (1991) (2)
- Responses of intermediate layers to geomagnetic activity during the 2009 deep solar minimum over the Brazilian low-latitude sector (2022) (2)
- Measurements of Ionospheric Absorption Using Radio Reflections from Meteors (1974) (2)
- Correction [to “Equatorial ionospheric vertical plasma drift model over the Brazilian region” by I. S. Batista et al.] (1996) (2)
- Longitudinzil Differences in the Spread F Characteristics (1983) (2)
- Solar and magnetic declination control on the electrojet and distributed currents in the ionosphere over Jicamarca (1987) (1)
- Ionospheric Scintillation Effects On Dg Positioning (1999) (1)
- Interplanetary ionospheric coupling: the 6 November 2001 magnetic storm event (2003) (1)
- Comparative study ofionogram F2 peak height from different techniques (1991) (1)
- Studies of Radio-Wave Absorption Features at a Subauroral Latitude (1971) (1)
- Correction to “Simulation of the sporadic E layer response to prereversal associated evening vertical electric field enhancement near dip equator” (2007) (1)
- On the apparent equatorward propagation of auroral substorm absorption events at low auroral latitudes (1978) (1)
- Space science education and training in Brazil (1997) (1)
- Observations of gravity waves in the airglow during the night of 21 August 2017 solar total eclipse over Brazil (2018) (1)
- A commercial radio receiver for lower ionosphere monitoring: Initial results (2004) (1)
- Galactic radionoise attenuation in the ionosphere (1966) (1)
- Equatorial Spread-F And Plasma Bubbles: A Step Towards Prediction (1999) (1)
- A plasma diagnostics package for low-latitude observations on board the French-Brazilian microsatellite (2004) (1)
- Contribution of the cascading process O(1S)→O(1D) to the production of the atomic oxygen O(1D) and OI 630 nm airglow in the nocturnal thermosphere (1994) (1)
- Long-lasting stagnant equatorial plasma bubble event and the related scintillation over the Brazilian region (2021) (1)
- Ionosphere-atmosphere coupling via stratospheric ozone (1992) (1)
- GPS scintillations, TEC and zonal plasma drifts observed during the COPEX 2002 campaign: Preliminary results (2005) (1)
- Estimation of the initial amplitude of perturbation and its use in numerical simulation of plasma bubbles (2012) (1)
- Global scale Earth's upper atmosphere monitoring by SACI-1 micro-satellite (2000) (1)
- The Scintillation Prediction Observations Research Task (SPORT) (2017) (1)
- Comment on “Modeling the ion chemistry of the D region: A case study based upon the 1966 total solar eclipse” by Sears et al. (1982) (0)
- travelling ionospheric disturbances detected by riometers in the sub-polar and the south atlantic magnetic anomaly regions (2004) (0)
- F region electric field effects on the intermediate layer dynamics during the evening prereversal enhancement at the equatorial region over Brazil (2020) (0)
- Observations of plasma bubbles and their zonal drift using polarimeters (1984) (0)
- Forecasting equatorial spread-F using a global assimilative ionospheric model (2003) (0)
- A statistical study of plasma bubble zonal drift velocity variations with geomagnetic activity and events of corotating and transient solar wind streams (2005) (0)
- DETERMINATION OF NITRIC OXIDE HEIGHT DISTRIBUTION FROM ROCKET ION COMPOSITION RESULTS AT LOW LATITUDES (1980) (0)
- Ionospheric and Thermospheric Studies (1992) (0)
- Responses of the Equatorial Ionosphere to High Intensity Long Duration Continuous Auroral Activity (2004) (0)
- A Simulation of Equatorial Plasma Bubble Signatures on the 016300 Å nightglow Meridional Profile Over Brazilian Low Latitude (1981) (0)
- In Situ Observation Of Electrostatic Waves Associated With Ionospheric Plasma Irregularities (2001) (0)
- Similar wave-like velocity modulations within the irregular bottom-type F layer and irregular E layer prior to the F region plume (2011) (0)
- Solar and Magnetic Declination Control of the Pre-Reversal Enhancement in the Equatorial E- and F-Region Electric Fields (1991) (0)
- Ultra Fast Kelvin waves in the equatorial upper atmosphere (2007) (0)
- Electric Field. and Electron Density IrregularitiesAssociated with Plasma Bubbles (1997) (0)
- Mesosphere-Ionosphere coupling processes observed by ionosonde and airglow photometer in the equatorial region (2005) (0)
- Equatorial aeronomy; International Symposium, 8th, San Miguel de Tucuman, Argentina, Mar. 21-27, 1990, Selected Papers (1991) (0)
- Effects Of Long-Lasting Interplanetary Magnetic Field Perturbations On The Equatorial Ionosphere (2009) (0)
- Multi-Probe Observations of Equatorial F Region Plassma Irregularities (2014) (0)
- Particle ionization in the lower ionosphere over the South Atlantic geomagnetic anomaly, from rocket results during the total eclipse of November 1966 (1978) (0)
- Ionospheric Scintillations At Equatorial And Low Latitudes In India (2001) (0)
- The Effect of Antenna Aperture on the Reception of Cosmic Radio Noise at the Ground (1967) (0)
- Magnetospheric Disturbance Effects On Equatorial Spread F And Thermospheric Winds (2001) (0)
- Postsunset F-Region Airglow Disturbances Associated with Gravity Waves (1995) (0)
- COSMIC NOISE AND IONOSPHERIC ABSORPTION OBSERVATIONS IN ANTARCTICA (1989) (0)
- The Guara Campaign: Rocket-Radar Investigations of the Earth's Upper Atmosphere at the Magnetic and Geographic Equators (1999) (0)
- PRE-REVERSAL ENHANCEMENT IN THE EQUATORIAL E AND F REGION ELECTRON DRIFT, VELOCITIES AND ITS SEASONAL VARIATION - AN EXPLANATION (1989) (0)
- Analysis of Ionospheric Zonal Irregularity Velocity Under Low Latitude During Solar Maxima 24 (2018) (0)
- Ionospheric Plasma Bubbles Over South America: Scientific Studies And Evidences Of Their Interference In Telecommunications (2001) (0)
- Equatorial Plasma Bubble Development and Dynamics, and Sporadic E Layer Structuring, under Storm Time Electric Fields. (2016) (0)
- Study on zonal drift velocities of the ionospheric plasma bubbles using a single GPS scintillation monitor (2018) (0)
- The Earth's ionospheric response to the complex interplanetary event of November 5-6, 2001 (2003) (0)
- Comments on a paper by R N Singh, `The effective collision frequency in the lower F region of the ionosphere' (1966) (0)
- Ionospheric and thermospheric studies. Proceedings. Topical Meetings of the COSPAR Interdisciplinary Scientific Commission P (Meeting P2) and C (Meetings C4 and C8) of the COSPAR 28. Plenary Meeting, The Hague (Netherlands), 25 Jun - 6 Jul 1990. (1992) (0)
- STATISTICAL STUDY OF CONSTRAINING PARAMETERS SPACE IN LEAST SQUARE METHOD APPLIED TO GAUSSIANS FIT TO POWER SPECTRA OF SIMULATED RADAR ECHOES OF ELECTROJET PLASMA IRREGULARITIES* INTRODUCTION (2003) (0)
- Equatorial spread F echo and irregularity growth processes from conjugate point digital ionograms (2011) (0)
- Comparison of different calculation techniques of vertical velocity component of F-layer drifts (2003) (0)
- Nighttime F-region plasma structures observed by rocket-borne Langmuir and high frecuency capacitance probes from Natal, Brazil (2012) (0)
- Behavior of the total electron content in the ionosphere in Sao Jose dos Campos during magnetic storms in 1980 (1983) (0)
- Magnetic Activity And Equatorial Anomaly Effects Over Gps Scintillations (2001) (0)
- Nighttime enhancement in the TEC, and magnetic storm response, of the tropical F-region over Brazil (1984) (0)
- Seasonal and disturbance variability of the East-West EEJ back-scatter power asymmetry in the Brazilian sector near solar maximum. (2004) (0)
- Scintillation zonal drifts inferred at equatorial and low-latitude magnetic conjugate regions (2006) (0)
- GEOMAGNETIC STORM EFFECTS ON THE SIGNATURES OF EQUATORIAL ELECTROJET PLASMA IRREGULARITIES (2003) (0)
- On the Low Latitude Scanning Photometer Signatures of Equatorial Ionosphere Plasma Bubbles (2018) (0)
- Atmospheric gravity waves observed in the nightglow following the 21 August 2017 total solar eclipse} (2020) (0)
- East-west plasma bubble irregularity motion determined from spaced VHF polarimeters: Velocity shear in the zonal F-region bulk plasma motion (1983) (0)
- East-West asymmetry in the back-scatter power signal from 3m-irregularities of the EEJ in the Brazilian sector. (2002) (0)
- Study of the South America lower ionosphere using the SARINET Network (2008) (0)
- Observed Auroral Electric Field Modulation In The Equatorial Electrojet (2001) (0)
- A numerical study on the Equatorial Plasma Bubble seeded by the pre-reversal vertical drift: A three-dimensional perspective (2018) (0)
- EQUATORIAL PLASMA BUBBLE DEVELOPMENT AND DYNAMICS, AND SPORADIC E LAYER STRUCTURING, UNDER DISTURBANCE ELECTRIC FIELDS (2017) (0)
- Rocket borne instrumentation for the measurement of electron density—height profile in the ionosphere (1970) (0)
- Effects of Planetary Waves and Thermospheric winds on Equatorial Spread F/Plasma Bubble Irregularities (2006) (0)
- Interplanetary Alfvén Waves, HILDCAAs, Acceleration of Magnetospheric Relativistic “Killer” Electrons and Auroral Zone Heating (2015) (0)
- Plasma diagnostic experiments on board the brazilian micro satellites for the global observation of the low latitude plasma density and temperature (2004) (0)
- Global Measurement Of Low Latitude Plasma Parameters On Board The French-Brazilian Microsatellite (2001) (0)
- Storm- Induced Equatorial Plasma Depletion in the Brazilian Southeastern Region: A Case Study (1997) (0)
- Sudden Stratospheric Warming Effects over L1 Scintillation at Low Latitude During Quiet and Magnetically Disturbed Periods (2014) (0)
- Equatorial Spread-F Irregularities As Observed By Three Different Rocket-Borne Plasma Density Probes (1999) (0)
- Climatology of ionospheric plasma bubbles over the Brazilian equatorial region: Observations and theoretical analysis (2010) (0)
- Evidences of Prompt Penetration and Disturbance Dynamo Electric Field Responses on the Equatorial and Low-latitude Brazilian Ionosphere during Events of High-Intensity Long-Duration Auroral Electrojet Activity (HILDCAA) events (2008) (0)
- Low-Latitude Electron Density Data Versus The International Reference Ionosphere Model (2001) (0)
- The variation of range type spread F occurrence with a solar cycle at Fortaleza and Cachoeira Paulista (1984) (0)
- Ionospheric effects observed during the BIME (Brazilian Ionospheric Modification Experiments) campaign over Fernando de Noronha and Fortaleza (1983) (0)
- Variation Of The Zonal Plasma Bubble Drift Velocities With Solar Cycle At Low Latitude (2001) (0)
- Acoustic Gravity Waves of Troposphere/Seismic origin that may trigger the collisional interchange instability in the Ionosphere (2010) (0)
- Measurements of the plasma vertical and zonal drift velocities: comparison of the results from Digisondes and Incoherent Scatter Radar during the COPEX campaign (2011) (0)
- Seasonal study of E-region electric fields at the dip equator estimated from 50 MHz radar observations (2006) (0)
- VLF INTERMEDIATE DISTANCE PROPAGATION (1989) (0)
- Deviations from model predictions in measured electron density profiles for low latitudes: A critique (2004) (0)
- Shear in the zonal drifts of 3 m irregularities inside spreadFplumes observed over Sanya: LOW-LATITUDE PLASMA ZONAL DRIFT SHEAR (2015) (0)
- A simulation of equatorial plasma bubble signatures on the OI 6300 A nightglow meridional profile over Brazilian low latitude, revised (1981) (0)
- Parameterized Regional Ionospheric Model: a new version (2011) (0)
- Multi-scale analysis of the cosmic noise absorption by the geomagnetic activity and galactic cosmic ray precipitation (2006) (0)
- Longitudinal differences in the spread F characteristics in the American zone and implications on the F-region dynamo (1980) (0)
- Intense wavelike O I 6300 A nightglow disturbances at 22 degrees 42' south, Brazilian zone, as detected by scanning photometric measurements (1978) (0)
- Zonal plasma bubble drift velocities dependence on geomagnetic activity at low latitude in Brazil (2003) (0)
- Equatorial Spread F Development/Disruption under Disturbance Electric Fields during Some Recent Intense Magnetic Storms. (2006) (0)
- Thermospheric Neutral Wind Role on the Equatorial and Low-latitude Ionosphere During Conjugate Point Experiment Campaign (2015) (0)
- Simultaneous observation of ionospheric plasma bubble and mesospheric gravity wave activities during CAWSES 2005 SpreadFEx Campaign (2007) (0)
- Ionospheric Variability over the Brazilian Equatorial Region during the Minima Solar Cycles 1996 and 2009: Comparison between Observational Data and the IRI Model (2022) (0)
- An investigation of ionospheric irregularity effects on SIR-B image processing and information extraction (1984) (0)
- Solar flux effects on the equatorial evening vertical drift and meridional winds over Brazil: A comparison between observational data and available IRI representations (2008) (0)
- Long Term Trends In F3 Layer Over Fortaleza, Brazil (2001) (0)
- ON THE INFLUENCE OF ATMOSPHERIC OZONE ON THE INITIAL IONIZATION OF THE IONOSPHERIC D-LAYER (1989) (0)
- The Lowering of the EEJ Backscattering Region Based on Coherent Radar Soundings in the Brazilian Sector (2007) (0)
- Precursor wave structure, prereversal vertical drift, and their relative roles in the development of post sunset equatorial spread-F (2016) (0)
- Application of GPS Measurements for Ionospheric and Tropospheric Modelling (2002) (0)
- LONG TERM CHANGES IN THE SPORADIC E-LAYER PHENOMENA OVER FORTALEZA, BRAZIL (2018) (0)
- In Situ Measurement of High Altitude Spread-F Characteristics by Three Different Plasma Density Probes (1997) (0)
- A NEW 50 MHz COHERENT BACKSCATTER RADAR AT MAGNETIC EQUATOR IN BRAZIL (2004) (0)
- Effects Of Long-Lasting Interplanetary Magnetic Field Perturbations On The Equatorial Ionosphere (2009) (0)
- Equatorial Upper Atmosphere Research Satellite: Equars (2001) (0)
- Longitudinal differences in the characteristics of spread F occurrence rates along the longitude of the American continent and its implications for the dynamic mechanism of the F region (1982) (0)
- Determination of the Quenching Ite of the O(D) by O(P) From Rocket-Borne OpticM (630 nra) Electron Density (1993) (0)
- Spectral features of F-region plasma irregularities as observed by rocket- borne electron density probes from Brazil (2005) (0)
- Studies of the EEJ Intensity Correlated with the Fluctuations in AE Activity (Transients in 3-meter Irregularity Power and Local Time Dependence) Using the RESCO 50 MHz VHF Coherent Radar and Magnetometers Data (2003) (0)
- Atomic Oxygem Quantum Yields from Rocket Experiment -in Brazil (1991) (0)
- New approach for calculating a QDC using detectability of radar signals applied to riometer data (2010) (0)
- Equatorial plasma bubble seeding process related to MSTID (2017) (0)
- Numerical simulation of Rayleigh-Taylor instability in the equatorial ionospheric plasma (1981) (0)
- Effects of the magnetic activity on F region zonal and vertical plasma drifts over Jicamarca during solar minimum (2016) (0)
- LONGITUDINAL AND DAY-TO-DAY VARIATIONS OF EQUATORIAL SPREAD F OCCURRENCE FROM OBSERVATIONS OVER SOUTH AMERICA (2017) (0)
- Solar Flare and Radio Burst Effects on GNSS Signals and the Ionosphere During September 2017 (2022) (0)
- Temporal and Spatial Characterization of GPS Fading From Ionospheric Irregularities Under Low latitude (2017) (0)
- Effects of High-Intensity Long-Duration Continuous AE Activity in the Equatorial Ionosphere Dynamics (2005) (0)
- F-region nocturnal zonal plasma drift velocities of the brazilian equatorial ionosphere during maximum solar (2005) (0)
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