A high‐resolution whole‐atmosphere model with resolved gravity waves and specified large‐scale dynamics in the troposphere and stratosphere

E Becker, SL Vadas, K Bossert… - Journal of …, 2022 - Wiley Online Library
We present a new version of the HIgh Altitude Mechanistic general Circulation Model
(HIAMCM) with specified dynamics. We utilize a spectral method that nudges only the large …

Evaluation of polar winter mesopause wind in WACCMX+ DART

VL Harvey, N Pedatella, E Becker… - Journal of Geophysical …, 2022 - Wiley Online Library
This work evaluates zonal winds in both hemispheres near the polar winter mesopause in
the Whole Atmosphere Community Climate Model (WACCM) with thermosphere …

Secondary gravity waves from the stratospheric polar vortex over ALOMAR observatory on 12–14 January 2016: observations and modeling

SL Vadas, E Becker, K Bossert… - Journal of …, 2023 - Wiley Online Library
We analyze the gravity waves (GWs) observed by a Rayleigh lidar at the Arctic Lidar
Observatory for Middle Atmosphere Research (ALOMAR)(16.08° E, 69.38° N) in Norway at …

Decomposition of vertical velocity and its zonal wavenumber kinetic energy spectra in the hydrostatic atmosphere

N Žagar, V Neduhal, S Vasylkevych… - Journal of the …, 2023 - journals.ametsoc.org
The spectrum of kinetic energy of vertical motions (VKE) is less well understood compared to
the kinetic energy spectrum of horizontal motions (HKE). One challenge that has limited …

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 …

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 …

Global distributions of tropospheric and stratospheric gravity wave momentum fluxes resolved by the 9-km ECMWF experiments

J Wei, F Zhang, JH Richter… - Journal of the …, 2022 - journals.ametsoc.org
Based on 20-day control forecasts by the 9-km Integrated Forecasting System (IFS) at the
European Centre for Medium-Range Weather Forecasts (ECMWF) for selected periods of …

Can we improve the realism of gravity wave parameterizations by imposing sources at all altitudes in the atmosphere?

B Ribstein, C Millet, F Lott… - Journal of Advances in …, 2022 - Wiley Online Library
A multiwave non‐orographic gravity wave (GW) scheme is adapted to represent waves of
small intrinsic phase speed, inertial waves, and wave emission from all altitudes. This last …

Observations of stratospheric gravity waves over Europe on 12 January 2016: The role of the polar night jet

K Bossert, SL Vadas, L Hoffmann… - Journal of …, 2020 - Wiley Online Library
Observations during 12 January 2016 revealed a series of events of significant gravity wave
(GW) activity over Europe. Analysis of derived temperatures from the Atmospheric InfraRed …

[HTML][HTML] POLSTRACC: Airborne experiment for studying the polar stratosphere in a changing climate with the high altitude and long range research aircraft (HALO)

H Oelhaf, BM Sinnhuber, W Woiwode… - Bulletin of the …, 2019 - journals.ametsoc.org
POLSTRACC: Airborne Experiment for Studying the Polar Stratosphere in a Changing Climate
with the High Altitude and Long Range Research Aircraft (HALO) in: Bulletin of the American …