Ionospheric Changes over the Western Pacific Ocean near and after the End of Annular Solar Eclipse on 21 June 2020
نویسندگان
چکیده
The center path of the 21 June 2020 solar eclipse, which passed through Guam (13.62°N, 144.86°E, 94.6% obscuration), United States, at end its journey, provides a peculiar opportunity to study ionospheric changes as moon shadow moves into nightside. In this study, remote-sensing observations ionosphere taken from ionosonde, and total electron content International GNSS Service over were analyzed examine related changes. Independent in situ density (Ne), (Te) ion temperatures (Ti) DMSP-F17 ~850 km, Ne Te Swarm-B ~540 km also studied. With significant enhancement critical frequency downward movement F2-layer, was compressed swept near sunset hours. Neutral wind Ionospheric Connection Explorer (ICON) showed westward reversed occurring F-region sunset. disturbance press Western Pacific suggest electrodynamics thermosphere further contributes ~85% decrease 157% midnight.
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ژورنال
عنوان ژورنال: Remote Sensing
سال: 2023
ISSN: ['2315-4632', '2315-4675']
DOI: https://doi.org/10.3390/rs15051389