Explicit global simulation of gravity waves in the thermosphere

E Becker, SL Vadas - Journal of Geophysical Research: Space …, 2020 - Wiley Online Library
We present a new version of the high‐resolution Kühlungsborn Mechanistic general
Circulation Model (KMCM) extended to z∼ 450 km. This model is called HIAMCM (HI …

The excitation of secondary gravity waves from local body forces: Theory and observation

SL Vadas, J Zhao, X Chu… - Journal of Geophysical …, 2018 - Wiley Online Library
We examine the characteristics of secondary gravity waves (GWs) excited by a localized (in
space) and intermittent (in time) body force in the atmosphere. This force is a horizontal …

[HTML][HTML] Interhemispheric differences of mesosphere–lower thermosphere winds and tides investigated from three whole-atmosphere models and meteor radar …

G Stober, A Kuchar, D Pokhotelov, H Liu… - Atmospheric …, 2021 - acp.copernicus.org
Long-term and continuous observations of mesospheric–lower thermospheric winds are
rare, but they are important to investigate climatological changes at these altitudes on …

Multi‐step vertical coupling during the January 2017 sudden stratospheric warming

E Becker, L Goncharenko, VL Harvey… - Journal of Geophysical …, 2022 - Wiley Online Library
This study analyzes a simulation of the Arctic winter 2016–2017 with focus on multi‐step
vertical coupling (MSVC) by primary, secondary, and higher‐order gravity waves (GWs). We …

Numerical modeling of the generation of tertiary gravity waves in the mesosphere and thermosphere during strong mountain wave events over the Southern Andes

SL Vadas, E Becker - Journal of Geophysical Research: Space …, 2019 - Wiley Online Library
We investigate the effects on the mesosphere and thermosphere from a strong mountain
wave (MW) event over the wintertime Southern Andes using a gravity wave (GW)‐resolving …

Concentric secondary gravity waves in the thermosphere and ionosphere over the continental United States on March 25–26, 2015 from deep convection

SL Vadas, I Azeem - Journal of Geophysical Research: Space …, 2021 - Wiley Online Library
We examine the total electron content (TEC) from GPS receivers over the United States on
March 25–26, 2015. We observe partial to nearly fully concentric rings of traveling …

Evaluation of polar winter mesopause wind in WACCMX+ DART

VL Harvey, N Pedatella, E Becker… - Journal of Geophysical …, 2022 - Wiley Online Library
This work evaluates zonal winds in both hemispheres near the polar winter mesopause in
the Whole Atmosphere Community Climate Model (WACCM) with thermosphere …

[HTML][HTML] Gravity waves in the winter stratosphere over the Southern Ocean: high-resolution satellite observations and 3-D spectral analysis

NP Hindley, CJ Wright, ND Smith… - Atmospheric …, 2019 - acp.copernicus.org
Atmospheric gravity waves play a key role in the transfer of energy and momentum between
layers of the Earth's atmosphere. However, nearly all general circulation models (GCMs) …

Characteristics of the quiet‐time hot spot gravity waves observed by GOCE over the Southern Andes on 5 July 2010

SL Vadas, S Xu, J Yue, K Bossert… - Journal of …, 2019 - Wiley Online Library
We analyze quiet‐time data from the Gravity Field and Ocean Circulation Explorer satellite
as it overpassed the Southern Andes at z≃ 275 km on 5 July 2010 at 23 UT. We extract the …

Secondary gravity waves from the stratospheric polar vortex over ALOMAR observatory on 12–14 January 2016: observations and modeling

SL Vadas, E Becker, K Bossert… - Journal of …, 2023 - Wiley Online Library
We analyze the gravity waves (GWs) observed by a Rayleigh lidar at the Arctic Lidar
Observatory for Middle Atmosphere Research (ALOMAR)(16.08° E, 69.38° N) in Norway at …