Unsolved problems in strong thermal emission velocity enhancement (STEVE) and the picket fence
Y Nishimura, A Dyer, L Kangas, E Donovan… - Frontiers in Astronomy …, 2023 - frontiersin.org
This paper reviews key properties and major unsolved problems about Strong Thermal
Emission Velocity Enhancement (STEVE) and the picket fence. We first introduce the basic …
Emission Velocity Enhancement (STEVE) and the picket fence. We first introduce the basic …
Toward the unified theory of SAID‐linked subauroral arcs
EV Mishin, AV Streltsov - Journal of Geophysical Research …, 2024 - Wiley Online Library
We present a unified approach to subauroral arcs within intense subauroral ion drifts (SAID),
which explains the observed transition of a precursor Stable Auroral Red (SAR) arc into …
which explains the observed transition of a precursor Stable Auroral Red (SAR) arc into …
New insight into the transition from a SAR arc to STEVE
DM Gillies, J Liang, B Gallardo‐Lacourt… - Geophysical …, 2023 - Wiley Online Library
In this study, we present an analysis of the spectral transition of a Stable Auroral Red (SAR)
arc to Strong Thermal Emission Velocity Enhancement (STEVE) emission observed by the …
arc to Strong Thermal Emission Velocity Enhancement (STEVE) emission observed by the …
Impact of uncertainties in land surface processes on subseasonal predictability of heat waves onset over the Yangtze River Valley
Q Zhang, G Sun, G Dai, M Mu - Journal of Geophysical …, 2024 - Wiley Online Library
Land surface processes are strongly associated with heat waves (HWs). However, how the
uncertainties in land surface processes owing to inaccurate physical parameters influence …
uncertainties in land surface processes owing to inaccurate physical parameters influence …
Unexpected STEVE observations at high latitude during quiet geomagnetic conditions
B Gallardo‐Lacourt, Y Nishimura… - Geophysical …, 2024 - Wiley Online Library
Abstract Strong Thermal Emission Velocity Enhancement (STEVE), is a captivating optical
phenomenon typically observed in the mid‐latitude ionosphere. This paper presents an …
phenomenon typically observed in the mid‐latitude ionosphere. This paper presents an …
Proton aurora and relativistic electron microbursts scattered by electromagnetic ion cyclotron waves
Charged particle precipitation from Earth's magnetosphere results in stunning displays of the
aurora and energy transfer into the atmosphere. Some of this precipitation is caused by …
aurora and energy transfer into the atmosphere. Some of this precipitation is caused by …
It's not easy being green: Kinetic modeling of the emission spectrum observed in STEVE's picket fence
Recent studies suggest that, despite its aurora‐like appearance, the picket fence may not be
driven by magnetospheric particle precipitation but instead by local electric fields parallel to …
driven by magnetospheric particle precipitation but instead by local electric fields parallel to …
Interaction between proton aurora and stable auroral red arcs unveiled by citizen scientist photographs
Y Nishimura, E Bruus, E Karvinen… - Journal of …, 2022 - Wiley Online Library
We utilized citizen scientist photographs of subauroral emissions in the upper atmosphere
and identified a repeatable sequence of proton aurora and subauroral red (SAR) arc during …
and identified a repeatable sequence of proton aurora and subauroral red (SAR) arc during …
Magnetospheric Response to a Pressure Pulse in a Three‐Dimensional Hybrid‐Vlasov Simulation
K Horaites, E Rintamäki, I Zaitsev, L Turc… - Journal of …, 2023 - Wiley Online Library
Vlasiator is a high‐performance ion‐kinetic code that is now conducting 3D hybrid‐Vlasov
simulations of the global magnetosphere. We use Vlasiator to investigate the impact of a …
simulations of the global magnetosphere. We use Vlasiator to investigate the impact of a …
Converting TREx-RGB green-channel data to 557.7 nm auroral intensity: Methodology and initial results
J Liang, DM Gillies, E Spanswick… - Earth and Planetary …, 2023 - eppcgs.org
Abstract The recently deployed Transition Region Explorer (TREx)-RGB (red-green-blue) all-
sky imager (ASI) is designed to capture “true color” images of the aurora and airglow …
sky imager (ASI) is designed to capture “true color” images of the aurora and airglow …