Space Sciences

A space hurricane over the Earth's polar ionosphere

Q. Zhang, Y. Zhang, et al.

Discover groundbreaking research on a long-lasting space hurricane observed in the Earth's polar ionosphere and magnetosphere during low solar activity. Despite the quiet conditions, this phenomenon revealed strong plasma flows and accelerated electrons, promising insights into our atmospheric interactions. This exciting study was conducted by Qing-He Zhang and colleagues.

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Index

Abstract

This paper reports the observation of a long-lasting space hurricane in the Earth's polar ionosphere and magnetosphere during low solar and geomagnetic activity. The hurricane exhibited strong circular horizontal plasma flow with shears, a near zero-flow center, and a cyclone-shaped aurora. Precipitating electrons were accelerated to ~10 keV near the center. The hurricane deposited significant energy and momentum into the ionosphere despite quiet conditions, generated by high-latitude lobe magnetic reconnection and current continuity during northward interplanetary magnetic field.

Publisher

Nature Communications

Published On

Feb 22, 2021

Authors

Qing-He Zhang, Yong-Liang Zhang, Chi Wang, Kjellmar Oksavik, Larry R. Lyons, Michael Lockwood, Hui-Gen Yang, Bin-Bin Tang, Jøran Idar Moen, Zan-Yang Xing, Yu-Zhang Ma, Xiang-Yu Wang, Ya-Fei Ning, Li-Dong Xia

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