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Asymmetrical Looping Magnetic Fields and Marsward Flows on the Nightside of Mars

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Asymmetrical Looping Magnetic Fields and Marsward Flows on the Nightside of Mars. / Li, Shibang; Lu, Haoyu; Cao, Jinbin et al.
In: Geophysical Research Letters, Vol. 51, No. 12, e2024GL109186, 28.06.2024.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Li, S, Lu, H, Cao, J, Cui, J, Ip, WH, Wild, JA, Zhang, X, Chen, N, Song, Y & Wang, J 2024, 'Asymmetrical Looping Magnetic Fields and Marsward Flows on the Nightside of Mars', Geophysical Research Letters, vol. 51, no. 12, e2024GL109186. https://doi.org/10.1029/2024gl109186

APA

Li, S., Lu, H., Cao, J., Cui, J., Ip, WH., Wild, J. A., Zhang, X., Chen, N., Song, Y., & Wang, J. (2024). Asymmetrical Looping Magnetic Fields and Marsward Flows on the Nightside of Mars. Geophysical Research Letters, 51(12), Article e2024GL109186. https://doi.org/10.1029/2024gl109186

Vancouver

Li S, Lu H, Cao J, Cui J, Ip WH, Wild JA et al. Asymmetrical Looping Magnetic Fields and Marsward Flows on the Nightside of Mars. Geophysical Research Letters. 2024 Jun 28;51(12):e2024GL109186. Epub 2024 Jun 18. doi: 10.1029/2024gl109186

Author

Li, Shibang ; Lu, Haoyu ; Cao, Jinbin et al. / Asymmetrical Looping Magnetic Fields and Marsward Flows on the Nightside of Mars. In: Geophysical Research Letters. 2024 ; Vol. 51, No. 12.

Bibtex

@article{c7867c00622548c586c488168bf74c8f,
title = "Asymmetrical Looping Magnetic Fields and Marsward Flows on the Nightside of Mars",
abstract = "As the interplanetary magnetic field (IMF) carried by the solar wind encounters the martian atmosphere, it tends to pile up and drape around the planet, forming looping magnetic fields and inducing marsward ion flows on the nightside. Previous statistical observations revealed asymmetrical distribution features within this morphology; however, the underlying physical mechanism remains unclear. In this study, utilizing a three‐dimensional multi‐fluid magnetohydrodynamic simulation model, we successfully reproduce the asymmetrical distributions of the looping magnetic fields and corresponding marsward flows on the martian nightside. Analyzing the magnetic forces resulting from the bending of the IMF over the polar area, we find that the asymmetry is guided by the orientation of the solar wind motional electric field (E SW ). A higher solar wind velocity leads to enhanced magnetic forces, resulting in more tightly wrapped magnetic fields with an increased efficiency in accelerating flows as they approach closer to Mars.",
author = "Shibang Li and Haoyu Lu and Jinbin Cao and Jun Cui and Wing‐Huen Ip and Wild, {James A.} and Xiaoxin Zhang and Nihan Chen and Yihui Song and Jianxuan Wang",
year = "2024",
month = jun,
day = "28",
doi = "10.1029/2024gl109186",
language = "English",
volume = "51",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "John Wiley & Sons, Ltd",
number = "12",

}

RIS

TY - JOUR

T1 - Asymmetrical Looping Magnetic Fields and Marsward Flows on the Nightside of Mars

AU - Li, Shibang

AU - Lu, Haoyu

AU - Cao, Jinbin

AU - Cui, Jun

AU - Ip, Wing‐Huen

AU - Wild, James A.

AU - Zhang, Xiaoxin

AU - Chen, Nihan

AU - Song, Yihui

AU - Wang, Jianxuan

PY - 2024/6/28

Y1 - 2024/6/28

N2 - As the interplanetary magnetic field (IMF) carried by the solar wind encounters the martian atmosphere, it tends to pile up and drape around the planet, forming looping magnetic fields and inducing marsward ion flows on the nightside. Previous statistical observations revealed asymmetrical distribution features within this morphology; however, the underlying physical mechanism remains unclear. In this study, utilizing a three‐dimensional multi‐fluid magnetohydrodynamic simulation model, we successfully reproduce the asymmetrical distributions of the looping magnetic fields and corresponding marsward flows on the martian nightside. Analyzing the magnetic forces resulting from the bending of the IMF over the polar area, we find that the asymmetry is guided by the orientation of the solar wind motional electric field (E SW ). A higher solar wind velocity leads to enhanced magnetic forces, resulting in more tightly wrapped magnetic fields with an increased efficiency in accelerating flows as they approach closer to Mars.

AB - As the interplanetary magnetic field (IMF) carried by the solar wind encounters the martian atmosphere, it tends to pile up and drape around the planet, forming looping magnetic fields and inducing marsward ion flows on the nightside. Previous statistical observations revealed asymmetrical distribution features within this morphology; however, the underlying physical mechanism remains unclear. In this study, utilizing a three‐dimensional multi‐fluid magnetohydrodynamic simulation model, we successfully reproduce the asymmetrical distributions of the looping magnetic fields and corresponding marsward flows on the martian nightside. Analyzing the magnetic forces resulting from the bending of the IMF over the polar area, we find that the asymmetry is guided by the orientation of the solar wind motional electric field (E SW ). A higher solar wind velocity leads to enhanced magnetic forces, resulting in more tightly wrapped magnetic fields with an increased efficiency in accelerating flows as they approach closer to Mars.

U2 - 10.1029/2024gl109186

DO - 10.1029/2024gl109186

M3 - Journal article

VL - 51

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 12

M1 - e2024GL109186

ER -