Bibliography



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Found 3 entries in the Bibliography.


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2022

Disappearance of the Polar Cap Ionosphere During Geomagnetic Storm on 11 May 2019

Multi-instrument data from Jang Bogo Station (JBS) in Antarctica were utilized to study ionospheric responses to the 11 May 2019 moderate geomagnetic storm. These include Vertical Incident Pulsed Ionospheric Radar (VIPIR)/Dynasonde, Fabry-Perot Interferometer (FPI), GPS vertical total electron content (vTEC), and magnetometer. The VIPIR/Dynasonde observed long-lasting (\textgreater11 hr) severe depletion of the electron density in the F-region ionosphere over JBS. During the depletion interval, GPS TEC also correspondingly decreased, FPI neutral temperature was significantly enhanced, and the polar magnetic field variations showed positive and negative excursions in the Y (east) and Z (vertical) components, respectively. GK-2 A satellite, located ∼2.5 hr west of JBS, observed negative magnetic field perturbations in the azimuthal BD component at geosynchronous orbit during the depletion of ionospheric plasma. Such a BD perturbation at geosynchronous orbit is due to the field-aligned currents flowing out of the ionosphere. From these observations we suggest that transpolar ionospheric currents connected to the field-aligned currents flowing on a substorm wedge-shaped circuit act as a source of polar atmospheric heating during the moderate geomagnetic storm interval and that elevated heavy molecular gases (O2 and N2) by atmospheric heating contribute to the electron density depletion via increased recombination rate.

Kwon, H.-J.; Kim, K.-H.; Jee, G.; Seon, J.; Lee, C.; Ham, Y.-B.; Hong, J.; Kim, E.; Bullett, T.; Auster, H.-U.; Magnes, W.; Kraft, S.;

Published by: Space Weather      Published on:

YEAR: 2022     DOI: 10.1029/2022SW003054

2010

A comprehensive rocket and radar study of midlatitude spread F

Earle, GD; Bhaneja, P; Roddy, PA; Swenson, CM; Barjatya, Aroh; Bishop, RL; Bullett, TW; Crowley, G; Redmon, R; Groves, K; , others;

Published by: Journal of Geophysical Research: Space Physics      Published on:

YEAR: 2010     DOI:

2007

Multi-Platform Ground-Based Observations of Meso-Scale Waves and Spread F at Midlatitudes

Earle, G; Bullett, T; Groves, K; Bishop, R; Crowley, G; Bust, G; Tolman, B; Calfas, R; Garner, T; Munton, D;

Published by:       Published on:

YEAR: 2007     DOI:



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