Impacts, processes and projections of the quasi-biennial oscillation

JA Anstey, SM Osprey, J Alexander… - Nature Reviews Earth & …, 2022 - nature.com
In the tropical stratosphere, deep layers of eastward and westward winds encircle the globe
and descend regularly from the upper stratosphere to the tropical tropopause. With a …

[HTML][HTML] The stratosphere: A review of the dynamics and variability

N Butchart - Weather and Climate Dynamics, 2022 - wcd.copernicus.org
Large-scale, intra-seasonal to inter-annual variability of the stratosphere is reviewed. Much
of the variability is dynamical and induced by waves emanating from the troposphere. It is …

Quantifying stratospheric biases and identifying their potential sources in subseasonal forecast systems

ZD Lawrence, M Abalos, B Ayarzagüena… - Weather and Climate …, 2022 - wcd.copernicus.org
The stratosphere can be a source of predictability for surface weather on timescales of
several weeks to months. However, the potential predictive skill gained from stratospheric …

Phase unlocking and the modulation of tropopause‐level trace gas advection by the quasibiennial oscillation

K Shah, S Solomon, D Kinnison, Q Fu… - Journal of …, 2022 - Wiley Online Library
Open questions about the modulation of near‐surface trace gas variability by stratosphere‐
troposphere tracer transport complicate efforts to identify anthropogenic sources of gases …

Calibration and uncertainty quantification of a gravity wave parameterization: A case study of the quasi‐biennial oscillation in an intermediate complexity climate …

LA Mansfield, A Sheshadri - Journal of Advances in Modeling …, 2022 - Wiley Online Library
The drag due to breaking atmospheric gravity waves plays a leading order role in driving the
middle atmosphere circulation, but as their horizontal wavelength range from tens to …

Stratospheric temperature and ozone impacts of the Hunga Tonga‐Hunga Ha'apai water vapor injection

EL Fleming, PA Newman, Q Liang… - Journal of Geophysical …, 2024 - Wiley Online Library
The January 2022 eruption of the Hunga Tonga‐Hunga Ha'apai underwater volcano
injected a large amount of water vapor into the mid‐stratosphere. This study uses model …

Uncertainty quantification of a machine learning subgrid‐scale parameterization for atmospheric gravity waves

LA Mansfield, A Sheshadri - Journal of Advances in Modeling …, 2024 - Wiley Online Library
Subgrid‐scale processes, such as atmospheric gravity waves (GWs), play a pivotal role in
shaping the Earth's climate but cannot be explicitly resolved in climate models due to …

Direct comparison between a non‐orographic gravity wave drag scheme and constant level balloons

F Lott, R Rani, A Podglajen, F Codron… - Journal of …, 2023 - Wiley Online Library
The parameterization scheme that represents gravity waves due to convection in LMDz‐6A,
the atmospheric components of the IPSL coupled climate model (IPSLCM6), is directly …

[HTML][HTML] The tropical route of quasi-biennial oscillation (QBO) teleconnections in a climate model

JL García-Franco, LJ Gray, S Osprey… - Weather and Climate …, 2022 - wcd.copernicus.org
The influence of the quasi-biennial oscillation (QBO) on tropical climate is demonstrated
using 500-year pre-industrial control simulations from the Met Office Hadley Centre model …

Tropical Wave Observations From the Reel‐Down Atmospheric Temperature Sensor (RATS) in the Lowermost Stratosphere During Strateole‐2

M Bramberger, D Goetz, MJ Alexander… - Geophysical …, 2023 - Wiley Online Library
Tropical waves play an important role in driving the quasi‐biennial oscillation of zonal winds
in the tropical stratosphere. In our study we analyze these waves based on temperature …