scholarly journals Numerical study of the propagation characteristics of coronal mass ejections in a structured ambient solar wind

2017 ◽  
Vol 122 (2) ◽  
pp. 1451-1462 ◽  
Author(s):  
Yufen Zhou ◽  
Xueshang Feng
Keyword(s):  
Solar Wind ◽  
Coronal Mass Ejections ◽  
Numerical Study ◽  
Propagation Characteristics ◽  
Ambient Solar Wind

A comprehensive catalogue of solar wind properties and events in the inner heliosphere

2020 ◽  
Author(s):  
Rachel Bailey ◽  
Martin Reiss ◽  
Christian Möstl ◽  
Ute Amerstorfer ◽  
Cyril Simon Wedlund ◽  
...  
Keyword(s):  
Solar Wind ◽  
Solar System ◽  
Coronal Mass Ejections ◽  
Model Combination ◽  
Comprehensive Overview ◽  
Wind Flows ◽  
Interaction Regions ◽  
Wind Behaviour ◽  
Ambient Solar Wind ◽  
Inner Heliosphere

<p>The evolving ambient solar wind is one of the key links between the Sun and planetary bodies in our solar system. Here we present a comprehensive catalogue of solar wind properties, stream interaction regions, and coronal mass ejections at different locations in the inner heliosphere. Our database incorporates observational data products and also solar wind modelling results. The solar wind modelling is based on two different approaches for modelling the conditions in the ambient solar wind. While the WSA/THUX model combination solves the viscous form of the underlying Burgers equation to compute the two-dimensional solar wind conditions in our solar system, the second approach is a computationally fast machine learning method for predicting the ambient solar wind flows at Earth. Statistics of the ambient solar wind model results for more than 15 years in combination with a catalogue of coronal mass ejections observed at the Earth, Mars and STEREO satellites along with stream interaction regions provide a comprehensive overview of the past and present solar wind behaviour for shaping planetary space weather.</p>

scholarly journals INFLUENCE OF THE AMBIENT SOLAR WIND FLOW ON THE PROPAGATION BEHAVIOR OF INTERPLANETARY CORONAL MASS EJECTIONS

2011 ◽  
Vol 743 (2) ◽  
pp. 101 ◽  
Author(s):  
Manuela Temmer ◽  
Tanja Rollett ◽  
Christian Möstl ◽  
Astrid M. Veronig ◽  
Bojan Vršnak ◽  
...  
Keyword(s):  
Solar Wind ◽  
Coronal Mass Ejections ◽  
Wind Flow ◽  
Interplanetary Coronal Mass Ejections ◽  
Propagation Behavior ◽  
Solar Wind Flow ◽  
Ambient Solar Wind

scholarly journals Assessing the Quality of Models of the Ambient Solar Wind

Space Weather ◽  
2018 ◽  
Vol 16 (11) ◽  
pp. 1644-1667 ◽  
Author(s):  
P. MacNeice ◽  
L. K. Jian ◽  
S. K. Antiochos ◽  
C. N. Arge ◽  
C. D. Bussy-Virat ◽  
...  
Keyword(s):  
Solar Wind ◽  
Ambient Solar Wind

scholarly journals Numerical simulations of homologous coronal mass ejections in the solar wind

2009 ◽  
Vol 501 (3) ◽  
pp. 1123-1130 ◽  
Author(s):  
A. Soenen ◽  
F. P. Zuccarello ◽  
C. Jacobs ◽  
S. Poedts ◽  
R. Keppens ◽  
...  
Keyword(s):  
Solar Wind ◽  
Numerical Simulations ◽  
Coronal Mass Ejections

3D MHD study of the Earth magnetosphere response during extreme space weather conditions

2021 ◽  
Author(s):  
Jacobo Varela Rodriguez ◽  
Sacha A. Brun ◽  
Antoine Strugarek ◽  
Victor Réville ◽  
Filippo Pantellini ◽  
...  
Keyword(s):  
Solar Wind ◽  
Space Weather ◽  
Coronal Mass Ejections ◽  
Main Sequence ◽  
Dynamic Pressure ◽  
Weather Conditions ◽  
The Sun ◽  
Earth Surface ◽  
The Earth ◽  
The Imf

<p><span>The aim of the study is to analyze the response of the Earth magnetosphere for various space weather conditions and model the effect of interplanetary coronal mass ejections. The magnetopause stand off distance, open-closed field lines boundary and plasma flows towards the planet surface are investigated. We use the MHD code PLUTO in spherical coordinates to perform a parametric study regarding the dynamic pressure and temperature of the solar wind as well as the interplanetary magnetic field intensity and orientation. The range of the parameters analyzed extends from regular to extreme space weather conditions consistent with coronal mass ejections at the Earth orbit. The direct precipitation of the solar wind on the Earth day side at equatorial latitudes is extremely unlikely even during super coronal mass ejections. For example, the SW precipitation towards the Earth surface for a IMF purely oriented in the Southward direction requires a IMF intensity around 1000 nT and the SW dynamic pressure above 350 nPa, space weather conditions well above super-ICMEs. The analysis is extended to previous stages of the solar evolution considering the rotation tracks from Carolan (2019). The simulations performed indicate an efficient shielding of the Earth surface 1100 Myr after the Sun enters in the main sequence. On the other hand, for early evolution phases along the Sun main sequence once the Sun rotation rate was at least 5 times faster (< 440 Myr), the Earth surface was directly exposed to the solar wind during coronal mass ejections (assuming today´s Earth magnetic field). Regarding the satellites orbiting the Earth, Southward and Ecliptic IMF orientations are particularly adverse for Geosynchronous satellites, partially exposed to the SW if the SW dynamic pressure is 8-14 nPa and the IMF intensity 10 nT. On the other hand, Medium orbit satellites at 20000 km are directly exposed to the SW during Common ICME if the IMF orientation is Southward and during Strong ICME if the IMF orientation is Earth-Sun or Ecliptic. The same way, Medium orbit satellites at 10000 km are directly exposed to the SW if a Super ICME with Southward IMF orientation impacts the Earth.</span></p><p>This work was supported by the project 2019-T1/AMB-13648 founded by the Comunidad de Madrid, grants ERC WholeSun, Exoplanets A and PNP. We extend our thanks to CNES for Solar Orbiter, PLATO and Meteo Space science support and to INSU/PNST for their financial support.</p>

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