Ionospheric Response Observed by EISCAT During the 6–8 September 2017 Space Weather Event: Overview

We present ionospheric plasma conditions observed by the EISCAT radars in Tromsø and on Svalbard, covering 68°–81° geomagnetic latitude, during 6–8 September 2017. This is a period when X2.2 and X9.3 X‐ray flares occurred, two interplanetary coronal mass ejections (ICMEs) arrived at the Earth accomp...

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Bibliographic Details
Published in:Space weather 2018-09, Vol.16 (9), p.1437-1450
Main Authors: Yamauchi, M., Sergienko, T., Enell, C.‐F., Schillings, A., Slapak, R., Johnsen, M. G., Tjulin, A., Nilsson, H.
Format: Article
Language:English
Subjects:
Astrofysikk, astronomi: 438
Astrophysics, astronomy: 438
Atmosfärsvetenskap
Atmospheric Science
Coronal mass ejection
EISCAT
Electron density
Energetic particles
Flares
Fluctuations
Flux
Fysikk: 430
Geomagnetic latitude
Geomagnetism
ICME
Interplanetary magnetic field
ion outflow
Ionospheric electron density
Ionospheric electrons
Ionospheric plasma
Latitude
Magnetic fields
Magnetosphere
Magnetospheres
Magnetospheric substorms
Magnetospheric-solar wind relationships
Matematikk og Naturvitenskap: 400
Mathematics and natural science: 400
Physics: 430
SEP
September 2017 event
Solar corona
Solar wind
Space weather
VDP
X flare
X-ray fluxes
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Description
Summary:We present ionospheric plasma conditions observed by the EISCAT radars in Tromsø and on Svalbard, covering 68°–81° geomagnetic latitude, during 6–8 September 2017. This is a period when X2.2 and X9.3 X‐ray flares occurred, two interplanetary coronal mass ejections (ICMEs) arrived at the Earth accompanied by enhancements of MeV‐range energetic particle flux in both the solar wind (SEP event) and inner magnetosphere, and an AL 
ISSN:1542-7390
1539-4964
1542-7390
DOI:10.1029/2018SW001937