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 …

MS-GWaM: A 3-dimensional transient gravity wave parametrization for atmospheric models

GS Voelker, G Bölöni, YH Kim… - Journal of the …, 2024 - journals.ametsoc.org
Parametrizations for internal gravity waves in atmospheric models are traditionally subject to
a number of simplifications. Most notably, they rely on both neglecting wave propagation …

Crucial role of obliquely propagating gravity waves in the quasi-biennial oscillation dynamics

YH Kim, GS Voelker, G Bölöni, G Zängl… - … Chemistry and Physics, 2024 - acp.copernicus.org
Abstract​​​​​​​ In climate modelling, the reality of simulated flows in the middle
atmosphere is largely affected by the model's representation of gravity wave processes that …

Dynamics of systems with varying number of particles: from Liouville equations to general master equations for open systems

MJ del Razo - arXiv preprint arXiv:2403.14517, 2024 - arxiv.org
A varying number of particles is the most relevant characteristic of systems of interest in
nature and technology; ranging from the exchange of energy and matter with the …

Crucial role of obliquely propagating gravity waves in the quasi-biennial oscillation dynamics

YH Kim, GS Voelker, G Bölöni, G Zängl… - …, 2023 - egusphere.copernicus.org
In climate modelling, the reality of simulated flows in the middle atmosphere is largely
affected by the model's representation of gravity wave processes that are unresolved, while …

A constrained spectral approximation of subgrid‐scale orography on unstructured grids

R Chew, S Dolaptchiev, MS Wedel… - Journal of Advances in …, 2024 - Wiley Online Library
The representation of subgrid‐scale orography is a challenge in the physical
parameterization of orographic gravity‐wave sources in weather forecasting. A significant …

Recovering Quasi-Biennial Oscillations from Chaos

X Chartrand, LP Nadeau… - Journal of the Atmospheric …, 2024 - journals.ametsoc.org
Abstract The Quasi-Biennial Oscillation (QBO) is understood to result from wave-mean-flow
interactions, but the reasons for its relative stability remain a subject of ongoing debate. In …

The impact of transience in the interaction between orographic gravity waves and mean flow

F Jochum, R Chew, F Lott, GS Voelker… - arXiv preprint arXiv …, 2024 - arxiv.org
A Lagrangian gravity-wave parameterization (MS-GWaM, Multi-Scale Gravity-Wave Model)
that allows for fully transient wave-mean-flow interaction and horizontal propagation is …

[HTML][HTML] Interaction of cirrus clouds and gravity waves: towards a coupled representation in coarse resolution model

A Kosareva, S Dolaptchiev, U Achatz… - 2024 - meetingorganizer.copernicus.org
Cirrus clouds have a notable influence on radiation and, consequently, the energy balance.
Therefore detailed understanding of ice physics processes is one of the keys to improving …