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 …

SOUTHTRAC-GW: An airborne field campaign to explore gravity wave dynamics at the world's strongest hotspot

M Rapp, B Kaifler, A Dörnbrack… - Bulletin of the …, 2021 - journals.ametsoc.org
The southern part of South America and the Antarctic peninsula are known as the world's
strongest hotspot region of stratospheric gravity wave (GW) activity. Large tropospheric …

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 …

Recent progress in modeling imbalance in the atmosphere and ocean

BR Sutherland, U Achatz, CP Caulfield, JM Klymak - Physical Review Fluids, 2019 - APS
Imbalance refers to the departure from the large-scale primarily vortical flows in the
atmosphere and ocean whose motion is governed by a balance of Coriolis, pressure …

How does knowledge of atmospheric gravity waves guide their parameterizations?

R Plougonven, A de la Cámara… - Quarterly Journal of …, 2020 - Wiley Online Library
This note discusses the relation between our knowledge of gravity waves and the
parameterization of their effects in global models. Improving these parameterizations …

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 …

Numerical modeling of the excitation, propagation, and dissipation of primary and secondary gravity waves during wintertime at McMurdo Station in the Antarctic

SL Vadas, E Becker - Journal of Geophysical Research …, 2018 - Wiley Online Library
We analyze the results of the gravity wave (GW)‐resolving, high‐resolution Kühlungsborn
Mechanistic general Circulation Model in July at McMurdo Station (166.69° E and 77.84° S) …

An 18‐year climatology of directional stratospheric gravity wave momentum flux from 3‐D satellite observations

NP Hindley, CJ Wright, L Hoffmann… - Geophysical …, 2020 - Wiley Online Library
Atmospheric gravity waves (GWs) are key drivers of the atmospheric circulation, but their
representation in general circulation models (GCMs) is challenging, leading to significant …

Secondary gravity waves generated by breaking mountain waves over Europe

CJ Heale, K Bossert, SL Vadas… - Journal of …, 2020 - Wiley Online Library
A strong mountain wave, observed over Central Europe on 12 January 2016, is simulated in
2D under two fixed background wind conditions representing opposite tidal phases. The aim …

100 years of progress in understanding the stratosphere and mesosphere

MP Baldwin, T Birner, G Brasseur… - Meteorological …, 2019 - journals.ametsoc.org
The stratosphere contains~ 17% of Earth's atmospheric mass, but its existence was
unknown until 1902. In the following decades our knowledge grew gradually as more …