Imperial College London
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Dr Julia E. Stawarz

Faculty of Natural Sciences, Department of Physics

Academic Visitor
 
 
 
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Contact

 

+44 (0)20 7594 7766j.stawarz

 
 
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Location

 

6M71Huxley BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Desai:2020:10.1007/s11207-020-01700-5,
author = {Desai, R and Zhang, H and Davies, E and Stawarz, J and Mico-Gomez, J and Iváñez-Ballesteros, P},
doi = {10.1007/s11207-020-01700-5},
journal = {Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics},
pages = {1--14},
title = {Three dimensional simulations of solar wind preconditioning and the 23 July 2012 Interplanetary Coronal Mass Ejection},
url = {http://dx.doi.org/10.1007/s11207-020-01700-5},
volume = {295},
year = {2020}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - Predicting the large-scale eruptions from the solar corona and theirpropagation through interplanetary space remains an outstanding challenge in solar- and helio-physics research. In this article, we describe three dimensional magnetohydrodynamic simulations of the inner heliosphere leading up to and including the extreme interplanetary coronal mass ejection (ICME) of 23 July 2012, developed using the code PLUTO. The simulations are driven using the output of coronal models for Carrington rotations 2125 and 2126 and, given the uncertainties in the initial conditions, are able to reproduce an event of comparable magnitude to the 23 July ICME, with similar velocity and densityprofi les at 1 au. The launch-time of this event is then varied with regards to an initial 19 July ICME and the effects of solar wind preconditioning are found to be signi ficant for an event of this magnitude and to decrease over a time-window consistent with the ballistic re filling of the depleted heliospheric sector. These results indicate that the 23 July ICME was mostly unaffected by events prior, but would have travelled even faster had it erupted closer in time to the 19 July event where it would have experienced even lower drag forces. We discuss this systematic study of solar wind preconditioning in the context of space weatherforecasting.
AU  - Desai,R
AU  - Zhang,H
AU  - Davies,E
AU  - Stawarz,J
AU  - Mico-Gomez,J
AU  - Iváñez-Ballesteros,P
DO  - 10.1007/s11207-020-01700-5
EP  - 14
PY  - 2020///
SN  - 0038-0938
SP  - 1
TI  - Three dimensional simulations of solar wind preconditioning and the 23 July 2012 Interplanetary Coronal Mass Ejection
T2  - Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics
UR  - http://dx.doi.org/10.1007/s11207-020-01700-5
UR  - https://link.springer.com/article/10.1007%2Fs11207-020-01700-5
UR  - http://hdl.handle.net/10044/1/82736
VL  - 295
ER  -
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