Articles with "geomagnetic storm" as a keyword



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Investigating the Development of Localized Neutral Density Increases During the 24 August 2005 Geomagnetic Storm

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Published in 2017 at "Journal of Geophysical Research"

DOI: 10.1002/2017ja024362

Abstract: We investigate localized thermospheric neutral density increases (or density spikes) developed during the 24 August 2005 geomagnetic storm and utilize a multi-instrument database for monitoring the underlying thermospheric, ionospheric, magnetospheric, and solar wind conditions. We… read more here.

Keywords: neutral density; density; density increases; development ... See more keywords
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Relativistic Electron Increase During Chorus Wave Activities on the 6–8 March 2016 Geomagnetic Storm

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Published in 2017 at "Journal of Geophysical Research"

DOI: 10.1002/2017ja024540

Abstract: There was a geomagnetic storm on 6–8 March 2016, in which Van Allen Probes A and B separated by ∼2.5 h measured increase of relativistic electrons with energies ∼ several hundred keV to 1 MeV.… read more here.

Keywords: chorus wave; electron increase; increase; march 2016 ... See more keywords
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A simulated geomagnetic storm unsynchronizes with diurnal geomagnetic variation affecting calpain activity in roach and great pond snail

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Published in 2019 at "International Journal of Biometeorology"

DOI: 10.1007/s00484-018-01657-y

Abstract: It has been suggested that geomagnetic storms could be perceived by organisms via disruption of naturally occurring diurnal geomagnetic variation. This variation, in turn, is viewed by way of a zeitgeber for biological circadian rhythms.… read more here.

Keywords: variation; geomagnetic variation; diurnal geomagnetic; activity ... See more keywords
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Effect of geomagnetic storms on VHF scintillations observed at low latitude

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Published in 2018 at "Journal of Astrophysics and Astronomy"

DOI: 10.1007/s12036-018-9529-2

Abstract: A geomagnetic storm affects the dynamics and composition of the ionosphere and also offers an excellent opportunity to study the plasma dynamics. In the present study, we have used the VHF scintillations data recorded at… read more here.

Keywords: low latitude; storms vhf; effect geomagnetic; geomagnetic storms ... See more keywords
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A severe negative response of the ionosphere to the intense geomagnetic storm on March 17, 2015 observed at mid- and low-latitude stations in the China zone

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Published in 2017 at "Advances in Space Research"

DOI: 10.1016/j.asr.2017.02.021

Abstract: Abstract In this paper, the critical frequency of F2 layer of the ionosphere (foF 2) and the total electron content (TEC) recorded at mid- and low-latitude observation sites near 120°E in the China zone were… read more here.

Keywords: march; low latitude; china zone; mid low ... See more keywords
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Ionospheric TEC disturbances over China during the strong geomagnetic storm in September 2017

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Published in 2020 at "Advances in Space Research"

DOI: 10.1016/j.asr.2020.03.002

Abstract: Abstract From September 7 to 8, 2017, a G4-level strong geomagnetic storm occurred, which seriously impacted on the Earth’s ionosphere. In this work, the global ionospheric maps released by Chinese Academy of Sciences are used… read more here.

Keywords: storm; september 2017; storm september; september ... See more keywords
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Disturbances of the thermosphere-ionosphere-plasmasphere system and auroral electrojet at 30°E longitude during the St. Patrick's Day geomagnetic storm on 17–23 March 2015

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Published in 2018 at "Journal of Atmospheric and Solar-Terrestrial Physics"

DOI: 10.1016/j.jastp.2017.12.017

Abstract: Abstract This study presents an analysis of geomagnetic disturbances and ionospheric electron density distribution during the 2015 St. Patrick's Day geomagnetic storm. To study those we have used the satellite-borne and ground-based observations. The St. Patrick's… read more here.

Keywords: patrick day; storm; storm march; march 2015 ... See more keywords
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On the unexpected geomagnetic storm on june 8, 2019, and the heliospheric current sheet effect

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Published in 2020 at "Planetary and Space Science"

DOI: 10.1016/j.pss.2020.105084

Abstract: Abstract A period of minimum magnetic solar activity (such as June 2019) favors the observation of rare solar transient events, which would otherwise be lost in the magnetic vortex during a period of maximum solar… read more here.

Keywords: unexpected geomagnetic; june; storm june; june 2019 ... See more keywords
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Ground‐Based GNSS and C/NOFS Observations of Ionospheric Irregularities Over Africa: A Case Study of the 2013 St. Patrick’s Day Geomagnetic Storm

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Published in 2021 at "Space Weather"

DOI: 10.1029/2020sw002631

Abstract: In this paper, the variations of ionospheric irregularities have been studied using C/NOFS, ground‐based GNSS and magnetometer measurements in Africa during the St. Patrick geomagnetic storm of March 17, 2013. The latitudinal distribution of irregularities… read more here.

Keywords: ground based; geomagnetic storm; ionospheric irregularities; based gnss ... See more keywords
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Receiver DCB analysis and calibration in geomagnetic storm-time using IGS products

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Published in 2019 at "Survey Review"

DOI: 10.1080/00396265.2019.1702369

Abstract: Solar activity and geomagnetic storm cause ionospheric disturbance and affect the GNSS positioning accuracy, which this effect cannot be ignored. The reliability depends mainly on differential code bias (DCB), when estimating the total electron content… read more here.

Keywords: dcb analysis; storm; receiver dcb; analysis calibration ... See more keywords
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Proton loss of inner radiation belt during geomagnetic storm of 2018 based on CSES satellite observation

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Published in 2021 at "Chinese Physics B"

DOI: 10.1088/1674-1056/ac1f00

Abstract: The proton distribution in inner radiation belt is often affected by strong geomagnetic storm disturbance. Based on the data of the sun-synchronous CSES satellite, which carries with several high energy particle payloads and was launched… read more here.

Keywords: radiation belt; geomagnetic storm; storm; loss ... See more keywords