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Geomagnetic Storms and Its Effects on Low and Equatorial Ionosphere

Effects of a magnetic cloud simultaneously observed on the equatorial ionosphere in midday and midnight sectors

Effects of a magnetic cloud simultaneously observed on the equatorial ionosphere in midday and midnight sectors

... the low-latitude ionosphere with the solar wind is the precipitation of solar plasma along the open geomagnetic field lines connected to the IMF ...dayside equatorial region that has a large ...

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Australian magnetic field effects during geomagnetic storms

Australian magnetic field effects during geomagnetic storms

... 5) low-latitude magnetic observatories (usu- ally Kakioka, Honolulu, San Juan, and Hermanus) for which an adjustment has been made with a division by the cosine of the average geomagnetic latitude of the ...

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Quiet Time Correlation Between Geomagnetic Field Variations and the Dynamics of the East African Equatorial Ionosphere

Quiet Time Correlation Between Geomagnetic Field Variations and the Dynamics of the East African Equatorial Ionosphere

... The Receiver Independent Exchange (RINEX) observation files were processed using Gopi Seemala RINEX processing software version 2.9.3 (http://seemala.blogspot.com/), giving the desired (CMN) output files. The CMN files ...

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Variations in the equatorial ionization anomaly peaks in the Western Pacific region during the geomagnetic storms of April 6 and July 15, 2000

Variations in the equatorial ionization anomaly peaks in the Western Pacific region during the geomagnetic storms of April 6 and July 15, 2000

... field effects, the storm-generated equatorward neutral wind also affects the low-latitude ionosphere by changing the field-aligned plasma transport or transporting the plasma from one hemi- sphere to ...

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Storm Effects on F-region Critical Frequency foF2 and Propagation Parameter M(3000)F2 over Equatorial (Jicamarca) and Low (Madimbo) Latitude Stations - A Comparative Study

Storm Effects on F-region Critical Frequency foF2 and Propagation Parameter M(3000)F2 over Equatorial (Jicamarca) and Low (Madimbo) Latitude Stations - A Comparative Study

... A geomagnetic storm is a marked temporary disturbance of the earth’s magnetic field caused by space ...During geomagnetic storms the magnetospheric energy input into the polar upper atmosphere can ...

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Coronal Mass Ejections during Geomagnetic              Storms on Earth

Coronal Mass Ejections during Geomagnetic Storms on Earth

... is its velocity and angular distance. The geomagnetic activity on Earth’s atmosphere has significant effects on technology, power grid, and relative temperature on ...great geomagnetic ...

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Variation of Total Ozone during 24 August 2005  Magnetic Storm: A Case Study

Variation of Total Ozone during 24 August 2005 Magnetic Storm: A Case Study

... isolated geomagnetic storm along several latitudinal circles from both hemispheres (summer and ...and low latitudes (20˚ - 40˚) in both hemispheres and decreases at higher latitudes (in winter and summer) ...

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Effects of solar and lunar eclipse on ionosphere near the crest of equatorial ionization anomaly region bhopal

Effects of solar and lunar eclipse on ionosphere near the crest of equatorial ionization anomaly region bhopal

... The enhancement features such as frequency of occurrence, amplitude and duration are directly correlated with solar radiations.(N.Balan,G.J. Bailey and R. Balachandran Nair,1991) observed that the time of nighttime ...

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Simulation of the ionospheric effect of intense geomagnetic storms of  july and november 2004 using a low latitude 3d theoretical model

Simulation of the ionospheric effect of intense geomagnetic storms of july and november 2004 using a low latitude 3d theoretical model

... the equatorial ionosphere in the South Atlantic region to the great geomagnetic storm of July 15, 2000 studied by ground based TEC and satellite in situ measurements (DMSP and ...of equatorial ...

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On the historical origins of the CEJ, DP2, and Ddyn current systems and their roles in the predictions of ionospheric responses to geomagnetic storms at equatorial latitudes

On the historical origins of the CEJ, DP2, and Ddyn current systems and their roles in the predictions of ionospheric responses to geomagnetic storms at equatorial latitudes

... a geomagnetic storm. The CEJ is well known to occur near the geomagnetic dip ...the geomagnetic fi eld daily regular variations. In contrast to equatorial electrojet (EEJ) that fl ows eastward ...

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High latitude TEC fluctuations and irregularity oval during geomagnetic storms

High latitude TEC fluctuations and irregularity oval during geomagnetic storms

... the ionosphere suffer varying degrees of rapid variations of their amplitude and phase—signal ...refraction effects can be taken into account and the phase fluctuations are due to the op- tical path changes ...

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THE RESPONSE OF POLAR, EQUATORIAL AND LOW LATITUDE IONOSPHERE TO THE MINOR MAGNETIC DISTURBANCE OF 11 OCTOBER 2008

THE RESPONSE OF POLAR, EQUATORIAL AND LOW LATITUDE IONOSPHERE TO THE MINOR MAGNETIC DISTURBANCE OF 11 OCTOBER 2008

... The structure of the high-latitude ionosphere is very complicated and varied. Strong changes in the ionosphere occur during geomagnetic disturbances. Dramatic changes take place very frequently in ...

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Equatorial plasma bubble seeding by MSTIDs in the ionosphere

Equatorial plasma bubble seeding by MSTIDs in the ionosphere

... and geomagnetic field line align, which makes it favorable to a strong PRE condition resulting to the development of RTI and the generation of EPB, as explained by previous obser- vations ...the low to ...

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SuperDARN observations during geomagnetic storms, geomagnetically active times and enhanced solar wind driving

SuperDARN observations during geomagnetic storms, geomagnetically active times and enhanced solar wind driving

... nightside ionosphere, backscatter poleward of 70 ◦ magnetic latitude is reduced, whereas overall, the radar observations shift to lower ...a geomagnetic storm, especially during the main phase, the total ...

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An investigation of solar flare effects on equatorial ionosphere and thermosphere using co ordinated measurements

An investigation of solar flare effects on equatorial ionosphere and thermosphere using co ordinated measurements

... reaching its peak at ~ 15:20 IST and came back to its pre-flare value at ~ 18:00 ...the equatorial electric field is not expected to change during this period either due to overshielding or ...

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The transient variation in the complexes of the low-latitude ionosphere within the equatorial ionization anomaly region of Nigeria

The transient variation in the complexes of the low-latitude ionosphere within the equatorial ionization anomaly region of Nigeria

... and its various internal irregu- larities has led to the study of the day-to-day variations of the chaoticity and dynamical complexity of the ...the equatorial ionization anomaly ...during storms for ...

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Influence of Geomagnetic Storms On VHFIonospheric ScintillationsAtNear Equatorial Station Anantapur

Influence of Geomagnetic Storms On VHFIonospheric ScintillationsAtNear Equatorial Station Anantapur

... earth’s ionosphere have many ionospheric perturbations which are sudden ionospheric disturbances, polar cap absorption, radio applications and geomagnetic ...of geomagnetic storms have ...

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Review of the generation mechanisms of post-midnight irregularities in the equatorial and low-latitude ionosphere

Review of the generation mechanisms of post-midnight irregularities in the equatorial and low-latitude ionosphere

... magnetically equatorial and low-latitude regions post-midnight during low solar activity ...in equatorial plasma ...the geomagnetic field lines (during equinoxes at the longitude where ...

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A new parameter of geomagnetic storms for the severity of space weather

A new parameter of geomagnetic storms for the severity of space weather

... Geomagnetic storms are disturbances in earth’s mag- netic field produced by enhanced solar wind–magne- tosphere coupling and ionosphere–magnetosphere plasma coupling ...of geomagnetic ...

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Frequency dependence of equatorial electrojet effect on geomagnetic micropulsations

Frequency dependence of equatorial electrojet effect on geomagnetic micropulsations

... period geomagnetic signals like ...the equatorial signals have been reported to suffer at- tenuation rather than amplification (Sarma and Sastry, ...the ionosphere will get attenu- ated (Hughes and ...

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