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 …

Heavenly lights: An exploratory review of auroral ecosystem services and disservices

JD Broome, D Cook, B Davíðsdóttir - Ecosystem Services, 2024 - Elsevier
Auroral ecosystem services (ES) is a subject that has not yet been formally addressed in the
expansive ecosystem services literature. This study conducts a systematic literature review …

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 …

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 …

The inner structure of STEVE‐linked SAID

EV Mishin, AV Streltsov - Geophysical Research Letters, 2023 - Wiley Online Library
We found the inner electromagnetic structure of subauroral ion drifts (SAID) in the SAID‐
STEVE events documented by the Swarm spacecraft and numerically simulated the …

Model simulation of SAID intensification in the ionosphere under a current generator: The role of ion Pedersen transport

J Liang, JP St‐Maurice… - Journal of Geophysical …, 2022 - Wiley Online Library
During geomagnetically active intervals, latitudinally narrow channels of fast westward ion
drifts were at times observed in the subauroral region. They are termed the “subauroral ion …

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 …

Antisunward streaming westward sub‐auroral ion drifts (SAID) developed in the postmidnight (1–4) magnetic local time sector during 2013

I Horvath, BC Lovell - Journal of Geophysical Research: Space …, 2023 - Wiley Online Library
In this study, we have surveyed the Defense Meteorological Satellite Program F15 plots of
horizontal ion velocity measurements for the calendar year of 2013 and specified 15 …

It's not easy being green: Kinetic modeling of the emission spectrum observed in STEVE's picket fence

LC Gasque, R Janalizadeh, BJ Harding… - Geophysical …, 2023 - Wiley Online Library
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 …

MANGO: An optical network to study the dynamics of the Earth's upper atmosphere

AN Bhatt, BJ Harding, JJ Makela… - Journal of …, 2023 - Wiley Online Library
Abstract The Mid‐latitude All‐sky‐imaging Network for Geophysical Observations (MANGO)
employs a combination of two powerful optical techniques used to observe the dynamics of …