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Influence of the CME orientation on the ICME propagation (CROSBI ID 702778)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Martinić, Karmen ; Dumbović, Mateja ; Vršnak, Bojan Influence of the CME orientation on the ICME propagation. 2021. str. 1-1 doi: 10.5194/egusphere-egu21-2526

Podaci o odgovornosti

Martinić, Karmen ; Dumbović, Mateja ; Vršnak, Bojan

engleski

Influence of the CME orientation on the ICME propagation

Beyond certain distance the ICME propagation becomes mostly governed by the interaction of the ICME and the ambient solar wind. Configuration of the interplanetary magnetic field and features of the related ambient solar wind in the ecliptic and meridional plane are different. Therefore, one can expect that the inclination of the CME flux rope axis i.e. tilt, influences the propagation of the ICME itself. In order to study the relation between the tilt parameter and the ICME propagation we investigated isolated Earth- impacting CME-ICME evets in the time period from 2006. to 2014. We determined the CME tilt in the “near-Sun” environment from the 3D reconstruction of the CME, obtained by the Graduated Cylindrical Shell model using coronagraphic images provided by the STEREO and SOHO missions. We determined the tilt of the ICME in the “near-Earth” environment using in-situ data. We constrained our study to CME-ICME events that show no evidence of rotation while propagating, i.e. have a similar tilt in the “near-Sun” and “near-Earth” environment. We present preliminary results of our study and discuss their implications for space-weather forecasting using the drag-based(ensemble) [DB(E)M] model of heliospheric propagation.

Coronal mass ejection, tilt, propagation

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Podaci o prilogu

1-1.

2021.

objavljeno

10.5194/egusphere-egu21-2526

Podaci o matičnoj publikaciji

Podaci o skupu

European Geosciences Union General Assembly (EGU 2021)

predavanje

19.04.2021-30.04.2021

online

Povezanost rada

Fizika, Geofizika, Interdisciplinarne prirodne znanosti

Poveznice