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 …

[HTML][HTML] Description of the multi-approach gravity field models from Swarm GPS data

J Teixeira da Encarnação, P Visser… - Earth System …, 2020 - essd.copernicus.org
Although the knowledge of the gravity of the Earth has improved considerably with CHAMP,
GRACE, and GOCE (see appendices for a list of abbreviations) satellite missions, the …

CHAMP and GOCE thermospheric wind characterization with improved gas-surface interactions modelling

G March, T Visser, P Visser, EN Doornbos - Advances in Space Research, 2019 - Elsevier
The CHAMP and GOCE satellites provided high-resolution thermosphere data between
2000 and 2013, improving our knowledge of atmosphere dynamics in the thermosphere …

A new transformative framework for data assimilation and calibration of physical ionosphere‐thermosphere models

PM Mehta, R Linares - Space Weather, 2018 - Wiley Online Library
Accurate specification and prediction of the ionosphere‐thermosphere environment, driven
by external forcing, is crucial to the space community. In this work, we present a new …

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 …

Seasonal dependence of northern high‐latitude upper thermospheric winds: A quiet time climatological study based on ground‐based and space‐based …

M Dhadly, J Emmert, D Drob, M Conde… - Journal of …, 2017 - Wiley Online Library
This paper investigates the large‐scale seasonal dependence of geomagnetically quiet
time, northern high‐latitude F region thermospheric winds by combining extensive …

Seasonal dependence of geomagnetic active‐time northern high‐latitude upper thermospheric winds

MS Dhadly, JT Emmert, DP Drob… - Journal of …, 2018 - Wiley Online Library
This study is focused on improving the poorly understood seasonal dependence of northern
high‐latitude F region thermospheric winds under active geomagnetic conditions. The gaps …

HL‐TWiM empirical model of high‐latitude upper thermospheric winds

MS Dhadly, JT Emmert, DP Drob… - Journal of …, 2019 - Wiley Online Library
We present an empirical model of thermospheric winds (High‐latitude Thermospheric Wind
Model [HL‐TWiM]) that specifies F region high‐latitude horizontal neutral winds as a function …

Multi-approach gravity field models from Swarm GPS data

J Teixeira Encarnação, P Visser… - Earth System …, 2019 - essd.copernicus.org
Although the knowledge of the gravity of the Earth has improved considerably with CHAMP,
GRACE and GOCE satellite missions, the geophysical community has identified the need for …

Oscillations in neutral winds observed by GOCE

MS Dhadly, JT Emmert, MA Jones Jr… - Geophysical …, 2020 - Wiley Online Library
This study explores intra‐annual oscillations (IAOs) in upper thermospheric winds using
GOCE cross‐track wind measurements between 70° S and 70° N. Due to the Sun …