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 …

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 …

Importance of gravity wave forcing for springtime southern polar vortex breakdown as revealed by ERA5

A Gupta, T Birner, A Dörnbrack… - Geophysical Research …, 2021 - Wiley Online Library
Planetary waves (PWs) and gravity waves (GWs) are the key drivers of middle atmospheric
circulation. Insufficient observations and inaccurate model representation of GWs limit our …

[HTML][HTML] A Compact Rayleigh Autonomous Lidar (CORAL) for the middle atmosphere

B Kaifler, N Kaifler - Atmospheric Measurement Techniques, 2021 - amt.copernicus.org
Abstract The Compact Rayleigh Autonomous Lidar (CORAL) is the first fully autonomous
middle atmosphere lidar system to provide density and temperature profiles from 15 to …

Observations of gravity wave refraction and its causes and consequences

M Geldenhuys, B Kaifler, P Preusse… - Journal of …, 2023 - Wiley Online Library
Horizontal gravity wave (GW) refraction was observed around the Andes and Drake
Passage during the SouthTRAC campaign. GWs interact with the background wind through …

Atmospheric gravity waves in Aeolus wind lidar observations

TP Banyard, CJ Wright, NP Hindley… - Geophysical …, 2021 - Wiley Online Library
Aeolus is the first Doppler wind lidar in space. It provides unique high‐resolution
measurements of horizontal wind in the sparsely observed upper‐troposphere/lower …

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 …

Intercomparison of tropospheric and stratospheric mesoscale kinetic energy resolved by the high‐resolution global reanalysis datasets

Z Li, J Wei, X Bao, YQ Sun - Quarterly Journal of the Royal …, 2023 - Wiley Online Library
With the development of advanced data assimilation and computing techniques, many
modern global reanalysis datasets aim to resolve the atmospheric mesoscale spectrum …

Gravity Wave Momentum Fluxes from 1 km Global ECMWF Integrated Forecast System

A Gupta, A Sheshadri, V Anantharaj - Scientific Data, 2024 - nature.com
Progress in understanding the impact of mesoscale variability, including gravity waves
(GWs), on atmospheric circulation is often limited by the availability of global fine-resolution …