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 …

Mesospheric concentric gravity waves generated by multiple convective storms over the North American Great Plain

S Vadas, J Yue, T Nakamura - Journal of Geophysical …, 2012 - Wiley Online Library
We report on six continuous hours of OH airglow imager observations (at z∼ 87 km) of
convectively generated gravity waves (GWs) near Fort Collins, Colorado, on the evening of …

Generation of multiple gravity wave couplets from convection

H Yang, Y Du, J Wei - Journal of the Atmospheric Sciences, 2023 - journals.ametsoc.org
The generation of multiple wave couplets with deep tropospheric downdrafts/updrafts by
convection is explored through idealized 2D moist numerical simulations as well as dry …

[HTML][HTML] Momentum flux spectrum of convective gravity waves. Part I: An update of a parameterization using mesoscale simulations

HJ Choi, HY Chun - Journal of the Atmospheric Sciences, 2011 - journals.ametsoc.org
Momentum Flux Spectrum of Convective Gravity Waves. Part I: An Update of a Parameterization
Using Mesoscale Simulations in: Journal of the Atmospheric Sciences Volume 68 Issue 4 …

Observational validation of parameterized gravity waves from tropical convection in the Whole Atmosphere Community Climate Model

MJ Alexander, CC Liu, J Bacmeister… - Journal of …, 2021 - Wiley Online Library
Tropical gravity waves that are generated by convection are generally too small in scale and
too high in frequency to be resolved in global climate models, yet their drag forces drive the …

Momentum flux of convective gravity waves derived from an offline gravity wave parameterization. Part I: Spatiotemporal variations at source level

MJ Kang, HY Chun, YH Kim - Journal of the Atmospheric …, 2017 - journals.ametsoc.org
Spatiotemporal variations in momentum flux spectra of convective gravity waves (CGWs) at
the source level (cloud top), including nonlinear forcing effects, are examined based on …

Momentum flux of convective gravity waves derived from an offline gravity wave parameterization. Part II: Impacts on the quasi-biennial oscillation

MJ Kang, HY Chun, YH Kim… - Journal of the …, 2018 - journals.ametsoc.org
The characteristics of small-scale convective gravity waves (CGWs; horizontal wavelengths<
100 km) and their contributions to the large-scale flow in the stratosphere, including the …

Characteristics of latent heating rate from GPM and convective gravity wave momentum flux calculated using the GPM data

HK Lee, MJ Kang, HY Chun, D Kim… - Journal of Geophysical …, 2022 - Wiley Online Library
Parameterizations of convective gravity‐wave (CGW) drag (CGWD) require cloud
information as input parameters. As cloud information provided from reanalyses includes …

[HTML][HTML] Characterization of momentum transport associated with organized moist convection and gravity waves

TP Lane, MW Moncrieff - Journal of the atmospheric sciences, 2010 - journals.ametsoc.org
Beres, JH, RR Garcia, BA Boville, and F. Sassi, 2005: Implementation of a gravity wave
source spectrum parameterization dependent on the properties of convection in the Whole …

Comparison of gravity wave temperature variances from ray‐based spectral parameterization of convective gravity wave drag with AIRS observations

HJ Choi, HY Chun, J Gong… - Journal of Geophysical …, 2012 - Wiley Online Library
The realism of ray‐based spectral parameterization of convective gravity wave drag, which
considers the updated moving speed of the convective source and multiple wave …