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ARTEMIS Observations of Foreshock Transients in the Midtail Foreshock
Geophysical Research Letters, 2020 AbstractForeshock transients such as hot flow anomalies (HFAs) are frequently observed in the dayside foreshock. They can disturb the local bow shock, magnetopause, and consequently the magnetosphere‐ionosphere system through dynamic pressure perturbations. Recent multipoint observations found that such perturbations can even propagate from the dayside
Hui Zhang +2 more
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Foreshock cavities and internal foreshock boundaries
Planetary and Space Science, 2011Abstract We present two case studies of cluster encounters with foreshock cavities. For one event, we are able, for the first time, to accurately relate the observation of a foreshock cavity to the measured position of the bow shock. This allows us to compute the shock angle, a vital parameter in models of foreshock cavity formation, with greater ...
Laurence Billingham, Steven Schwartz
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Analytical Model of Foreshock Ion Interaction With a Discontinuity: A Statistical Study
Journal of Geophysical Research - Space Physics, 2023When a solar wind discontinuity interacts with foreshock ions, foreshock transients such as hot flow anomalies and foreshock bubbles can form.
T. Liu +3 more
semanticscholar +1 more source
Journal of Geophysical Research - Space Physics, 2023
Foreshock bubbles (FBs) are significant foreshock transients that can accelerate particles and disturb the magnetosphere‐ionosphere system. In the kinetic formation model, foreshock ions interact with the discontinuity by performing partial gyrations to ...
A. Vu, T. Liu, Hui Zhang, P. Delamere
semanticscholar +1 more source
Foreshock bubbles (FBs) are significant foreshock transients that can accelerate particles and disturb the magnetosphere‐ionosphere system. In the kinetic formation model, foreshock ions interact with the discontinuity by performing partial gyrations to ...
A. Vu, T. Liu, Hui Zhang, P. Delamere
semanticscholar +1 more source
Dynamics of the foreshock compressional boundary and its connection to foreshock cavities [PDF]
Journal of Geophysical Research: Space Physics, 2013 AbstractWe use several global hybrid (kinetic ions, fluid electrons) simulation runs for steady and time‐varying interplanetary magnetic field (IMF) conditions to examine the dynamics of the foreshock compressional boundary (FCB) and its connection to foreshock cavities.
Hui Zhang +2 more
exaly +2 more sources
The cascading foreshock sequence of the Ms 6.4 Yangbi Earthquake in Yunnan, China
Earth and Planetary Science Letters, 2022Foreshocks may provide valuable information on the nucleation process of large earthquakes. The 2021 Ms 6.4 Yangbi, Yunnan, China, earthquake was preceded by abundant foreshocks in the ~75 hours leading up to the mainshock.
G. Zhu +5 more
semanticscholar +1 more source
Journal of Geophysical Research - Solid Earth, 2022
The 2021 Mw 6.1 Yangbi earthquake in southwest China is preceded by three major foreshocks: 05/18 Mw 4.3, 05/19 Mw 4.6, and 05/21 Mw 5.2. It provides a valuable chance to revisit two end‐member foreshock models: cascade‐up and pre‐slip models.
Yi-Jian Zhou +7 more
semanticscholar +1 more source
The 2021 Mw 6.1 Yangbi earthquake in southwest China is preceded by three major foreshocks: 05/18 Mw 4.3, 05/19 Mw 4.6, and 05/21 Mw 5.2. It provides a valuable chance to revisit two end‐member foreshock models: cascade‐up and pre‐slip models.
Yi-Jian Zhou +7 more
semanticscholar +1 more source
Journal of Geophysical Research: Space Physics, 2022
Foreshock transients such as foreshock bubbles (FBs), hot flow anomalies (HFAs), and spontaneous hot flow anomalies (SHFAs) display heated, tenuous cores and large flow deflections bounded by compressional boundaries. THEMIS and Cluster observations show
A. Vu, T. Liu, Hui Zhang, C. Pollock
semanticscholar +1 more source
Foreshock transients such as foreshock bubbles (FBs), hot flow anomalies (HFAs), and spontaneous hot flow anomalies (SHFAs) display heated, tenuous cores and large flow deflections bounded by compressional boundaries. THEMIS and Cluster observations show
A. Vu, T. Liu, Hui Zhang, C. Pollock
semanticscholar +1 more source
2022
This chapter revisits ‘the Cornish commotion’ of 1548 — a short-lived but, from the Crown's point of view, deeply troubling émeute which flared up in West Cornwall in April that year, during the course of which a royal commissioner who was overseeing the removal of images from local churches was killed.
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This chapter revisits ‘the Cornish commotion’ of 1548 — a short-lived but, from the Crown's point of view, deeply troubling émeute which flared up in West Cornwall in April that year, during the course of which a royal commissioner who was overseeing the removal of images from local churches was killed.
openaire +2 more sources
Journal of Geophysical Research - Space Physics, 2022
Hot flow anomalies (HFAs) and foreshock bubbles (FBs) are significant foreshock transients that can accelerate particles and disturb the magnetosphere‐ionosphere system. Yet, their early formation mechanisms are still not fully understood. To investigate
A. Vu, T. Liu, Hui Zhang, P. Delamere
semanticscholar +1 more source
Hot flow anomalies (HFAs) and foreshock bubbles (FBs) are significant foreshock transients that can accelerate particles and disturb the magnetosphere‐ionosphere system. Yet, their early formation mechanisms are still not fully understood. To investigate
A. Vu, T. Liu, Hui Zhang, P. Delamere
semanticscholar +1 more source