An update to the Horizontal Wind Model (HWM): The quiet time thermosphere

DP Drob, JT Emmert, JW Meriwether… - Earth and Space …, 2015 - Wiley Online Library
The Horizontal Wind Model (HWM) has been updated in the thermosphere with new
observations and formulation changes. These new data are ground‐based 630 nm Fabry …

Neutral winds from mesosphere to thermosphere—past, present, and future outlook

M Dhadly, F Sassi, J Emmert, D Drob… - Frontiers in Astronomy …, 2023 - frontiersin.org
The Earth's upper atmosphere (85–550 km) is the nearest region of geospace and is highly
dynamic in nature. Neutral winds impact a large portion of the dynamics in this region. They …

The geospace response to variable inputs from the lower atmosphere: a review of the progress made by Task Group 4 of CAWSES-II

J Oberheide, K Shiokawa, S Gurubaran… - Progress in earth and …, 2015 - Springer
The advent of new satellite missions, ground-based instrumentation networks, and the
development of whole atmosphere models over the past decade resulted in a paradigm shift …

Validation of ICON‐MIGHTI thermospheric wind observations: 1. Nighttime red‐line ground‐based Fabry‐Perot interferometers

JJ Makela, M Baughman, LA Navarro… - Journal of …, 2021 - Wiley Online Library
Observations of the nighttime thermospheric wind from two ground‐based Fabry‐Perot
Interferometers are compared to the level 2.1 and 2.2 data products from the Michelson …

Monthly climatologies of zonal‐mean and tidal winds in the thermosphere as observed by ICON/MIGHTI during April 2020–March 2022

Y Yamazaki, BJ Harding, L Qiu, C Stolle… - Earth and Space …, 2023 - Wiley Online Library
Abstract Version 5 (v05) of the thermospheric wind data from the Michelson Interferometer
for Global High‐resolution Thermospheric Imaging (MIGHTI) instrument on the Ionospheric …

Ionosphere variability I: Advances in observational, monitoring and detection capabilities

I Tsagouri, A Belehaki, DR Themens… - Advances in Space …, 2023 - Elsevier
The paper aims to review recent advances regarding the observational and monitoring
capabilities of the ionization conditions in the Earth's upper atmosphere. The analysis spans …

Effects of electric field and neutral wind on the asymmetry of equatorial ionization anomaly

SM Khadka, CE Valladares, R Sheehan… - Radio …, 2018 - ieeexplore.ieee.org
The zonal electric field and the meridional neutral wind are the principal drivers that define
the geometry and characteristics of the equatorial ionization anomaly (EIA). Here we present …

Multi‐Layer Evolution of Acoustic‐Gravity Waves and Ionospheric Disturbances Over the United States After the 2022 Hunga Tonga Volcano Eruption

PA Inchin, A Bhatt, SA Cummer, SD Eckermann… - AGU …, 2023 - Wiley Online Library
Abstract The Hunga‐Tonga Hunga‐Ha'apai volcano underwent a series of large‐magnitude
eruptions that generated broad spectra of mechanical waves in the atmosphere. We …

Climatologies of nighttime thermospheric winds and temperatures from Fabry‐Perot interferometer measurements: From solar minimum to solar maximum

DJ Fisher, JJ Makela, JW Meriwether… - Journal of …, 2015 - Wiley Online Library
We present a climatology of quiet time thermospheric winds and temperatures estimated
from high‐resolution Fabry‐Perot interferometer measurements of the 630.0 nm airglow …

Characterization of the thermospheric mean winds and circulation during solstice using ICON/MIGHTI observations

E Yiğit, M Dhadly, AS Medvedev… - Journal of …, 2022 - Wiley Online Library
Using the horizontal neutral wind observations from the Michelson Interferometer for Global
High‐resolution Thermospheric Imaging (MIGHTI) instrument onboard NASA's Ionospheric …