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 …

Traveling ionospheric disturbances induced by the secondary gravity waves from the Tonga eruption on 15 January 2022: Modeling with MESORAC‐HIAMCM‐SAMI3 …

SL Vadas, C Figueiredo, E Becker… - Journal of …, 2023 - Wiley Online Library
We simulate the gravity waves (GWs) and traveling ionospheric disturbances (TIDs) created
by the Hunga Tonga‐Hunga Ha'apai (hereafter “Tonga”) volcanic eruption on 15 January …

Atmospheric gravity waves: Processes and parameterization

U Achatz, MJ Alexander, E Becker… - Journal of the …, 2024 - journals.ametsoc.org
Atmospheric predictability from subseasonal to seasonal time scales and climate variability
are both influenced critically by gravity waves (GW). The quality of regional and global …

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 …

Lidar observations of large-amplitude mountain waves in the stratosphere above Tierra del Fuego, Argentina

N Kaifler, B Kaifler, A Dörnbrack, M Rapp… - Scientific reports, 2020 - nature.com
Large-amplitude internal gravity waves were observed using Rayleigh lidar temperature
soundings above Rio Grande, Argentina (54∘ S, 68∘ W), in the period 16–23 June 2018 …

Oblique propagation and refraction of gravity waves over the Andes observed by GLORIA and ALIMA during the SouthTRAC campaign

L Krasauskas, B Kaifler, S Rhode… - Journal of …, 2023 - Wiley Online Library
Gravity waves (GW) carry energy and momentum from the troposphere to the middle
atmosphere and have a strong influence on the circulation there. Global atmospheric …

[HTML][HTML] Intermittency of gravity wave potential energies and absolute momentum fluxes derived from infrared limb sounding satellite observations

M Ern, P Preusse, M Riese - Atmospheric Chemistry and Physics, 2022 - acp.copernicus.org
Atmospheric gravity waves contribute significantly to the driving of the global atmospheric
circulation. Because of their small spatial scales, their effect on the circulation is usually …

Insights on lateral gravity wave propagation in the extratropical stratosphere from 44 years of ERA5 data

A Gupta, A Sheshadri, MJ Alexander… - Geophysical Research …, 2024 - Wiley Online Library
The study presents (a) a 44‐year wintertime climatology of resolved gravity wave (GW)
fluxes and forcing in the extratropical stratosphere using ERA5, and (b) their composite …

CIPS observations of gravity wave activity at the edge of the polar vortices and coupling to the ionosphere

VL Harvey, CE Randall… - Journal of …, 2023 - Wiley Online Library
A new Cloud Imaging and Particle Size (CIPS) gravity wave (GW) variance data set is
available that facilitates automated analysis of GWs entering the mesosphere. This work …

Gravity‐wave‐driven seasonal variability of temperature differences between ECMWF IFS and Rayleigh lidar measurements in the Lee of the Southern Andes

S Gisinger, I Polichtchouk, A Dörnbrack… - Journal of …, 2022 - Wiley Online Library
Long‐term high‐resolution temperature data of the Compact Rayleigh Autonomous Lidar
(CORAL) is used to evaluate temperature and gravity wave (GW) activity in ECMWF …